{"id":23376,"date":"2026-11-03T06:00:39","date_gmt":"2026-11-03T06:00:39","guid":{"rendered":"https:\/\/tradefoxapp.com\/?p=23376"},"modified":"2026-11-06T16:44:41","modified_gmt":"2026-11-06T16:44:41","slug":"thermal-bridging","status":"publish","type":"post","link":"https:\/\/tradefoxapp.com\/fr\/thermal-bridging\/","title":{"rendered":"Thermal Bridging: How Junctions Lose Heat and Where Construction Details Matter"},"content":{"rendered":"<div data-elementor-type=\"wp-post\" data-elementor-id=\"23376\" class=\"elementor elementor-23376\" data-elementor-post-type=\"post\">\n\t\t\t\t<div class=\"elementor-element elementor-element-bd69d62 e-flex e-con-boxed e-con e-parent\" data-id=\"bd69d62\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-cfb4151 elementor-widget elementor-widget-text-editor\" data-id=\"cfb4151\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><span style=\"font-weight: 400;\">Even a well-insulated wall loses heat where it meets a floor, roof, window or structural connection. These junctions bring different materials and layers together, and that creates heat-flow paths that need careful design and careful installation.<\/span><\/p><p><span style=\"font-weight: 400;\">The problem isn&#8217;t only about energy bills. Cold junctions can leave the inside surface colder than the rest of the wall, which raises the risk of condensation and mould once the moisture conditions are right.<\/span><\/p><p><span style=\"font-weight: 400;\">So for bricklayers, carpenters, roofers, window installers and insulation contractors, the real question is simple: does the finished junction match the detail that was assessed? Insulation thickness on its own can&#8217;t answer that.<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-f299ff1 e-flex e-con-boxed e-con e-parent\" data-id=\"f299ff1\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-7e47bbf elementor-widget elementor-widget-heading\" data-id=\"7e47bbf\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">What Is Thermal Bridging?\n<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-a42c1b7 elementor-widget elementor-widget-text-editor\" data-id=\"a42c1b7\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><span style=\"font-weight: 400;\">Thermal bridging is a localised spot in the <a href=\"https:\/\/tradefoxapp.com\/fr\/building-envelope\/\">building envelope<\/a> where heat moves differently because of the materials, the way insulation is arranged, or the shape of the junction. During the heating season, a weak bridge pulls more heat out and can drop the internal surface temperature below what the design intended. You&#8217;ll also see it called cold bridging, which is the older name for the same thing.<\/span><\/p><p><span style=\"font-weight: 400;\">Three things usually cause it:<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-5206f11 elementor-icon-list--layout-traditional elementor-list-item-link-full_width elementor-widget elementor-widget-icon-list\" data-id=\"5206f11\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"icon-list.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<ul class=\"elementor-icon-list-items\">\n\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item\">\n\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-icon\">\n\t\t\t\t\t\t\t<svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-long-arrow-alt-right\" viewbox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M313.941 216H12c-6.627 0-12 5.373-12 12v56c0 6.627 5.373 12 12 12h301.941v46.059c0 21.382 25.851 32.09 40.971 16.971l86.059-86.059c9.373-9.373 9.373-24.569 0-33.941l-86.059-86.059c-15.119-15.119-40.971-4.411-40.971 16.971V216z\"><\/path><\/svg>\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\"><b>Conductive Materials: <\/b>Steel, concrete, and other conductive components give heat an easy route straight through an insulated build-up.<\/span>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item\">\n\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-icon\">\n\t\t\t\t\t\t\t<svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-long-arrow-alt-right\" viewbox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M313.941 216H12c-6.627 0-12 5.373-12 12v56c0 6.627 5.373 12 12 12h301.941v46.059c0 21.382 25.851 32.09 40.971 16.971l86.059-86.059c9.373-9.373 9.373-24.569 0-33.941l-86.059-86.059c-15.119-15.119-40.971-4.411-40.971 16.971V216z\"><\/path><\/svg>\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\"><b>\u2060Insulation Discontinuity:<\/b> Missing insulation, a thinner layer, or layers that don't connect properly all weaken a junction.<\/span>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item\">\n\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-icon\">\n\t\t\t\t\t\t\t<svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-long-arrow-alt-right\" viewbox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M313.941 216H12c-6.627 0-12 5.373-12 12v56c0 6.627 5.373 12 12 12h301.941v46.059c0 21.382 25.851 32.09 40.971 16.971l86.059-86.059c9.373-9.373 9.373-24.569 0-33.941l-86.059-86.059c-15.119-15.119-40.971-4.411-40.971 16.971V216z\"><\/path><\/svg>\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\"><b>\u2060Building Geometry: <\/b>Corners and changes in shape push heat in more than one direction, even where insulation is present.<\/span>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t<\/ul>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-535f6b2 elementor-widget elementor-widget-text-editor\" data-id=\"535f6b2\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><span style=\"font-weight: 400;\">The government&#8217;s internal wall insulation guidance treats all three, material properties, insulation discontinuity, and geometry, as real mechanisms. That&#8217;s why a bridge isn&#8217;t always a visible gap you can spot and fill. <\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-9097769 elementor-widget elementor-widget-heading\" data-id=\"9097769\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Repeating, Linear and Point Bridges\n<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-9795022 elementor-widget elementor-widget-text-editor\" data-id=\"9795022\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><span style=\"font-weight: 400;\">Not every bridge behaves the same way:<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-d3925d8 elementor-icon-list--layout-traditional elementor-list-item-link-full_width elementor-widget elementor-widget-icon-list\" data-id=\"d3925d8\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"icon-list.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<ul class=\"elementor-icon-list-items\">\n\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item\">\n\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-icon\">\n\t\t\t\t\t\t\t<svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-long-arrow-alt-right\" viewbox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M313.941 216H12c-6.627 0-12 5.373-12 12v56c0 6.627 5.373 12 12 12h301.941v46.059c0 21.382 25.851 32.09 40.971 16.971l86.059-86.059c9.373-9.373 9.373-24.569 0-33.941l-86.059-86.059c-15.119-15.119-40.971-4.411-40.971 16.971V216z\"><\/path><\/svg>\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\"><b>Repeating Bridges:<\/b> These show up at regular spacing inside an element, like timber studs breaking up insulation. Their effect normally gets rolled into the element's U-value.<\/span>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item\">\n\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-icon\">\n\t\t\t\t\t\t\t<svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-long-arrow-alt-right\" viewbox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M313.941 216H12c-6.627 0-12 5.373-12 12v56c0 6.627 5.373 12 12 12h301.941v46.059c0 21.382 25.851 32.09 40.971 16.971l86.059-86.059c9.373-9.373 9.373-24.569 0-33.941l-86.059-86.059c-15.119-15.119-40.971-4.411-40.971 16.971V216z\"><\/path><\/svg>\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\"><b>\u2060Linear Bridges: <\/b>These run along a junction, such as a floor perimeter or a window head.<\/span>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item\">\n\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-icon\">\n\t\t\t\t\t\t\t<svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-long-arrow-alt-right\" viewbox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M313.941 216H12c-6.627 0-12 5.373-12 12v56c0 6.627 5.373 12 12 12h301.941v46.059c0 21.382 25.851 32.09 40.971 16.971l86.059-86.059c9.373-9.373 9.373-24.569 0-33.941l-86.059-86.059c-15.119-15.119-40.971-4.411-40.971 16.971V216z\"><\/path><\/svg>\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\"><b>Point Bridges: <\/b>These sit at single connections, like certain structural brackets.<\/span>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t<\/ul>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-53e5ac7 elementor-widget elementor-widget-text-editor\" data-id=\"53e5ac7\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><span style=\"font-weight: 400;\">Worth flagging, though: some of these effects may already sit inside a calculated U-value. Add them again without checking and you double count the heat loss. <\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-7d6e783 e-flex e-con-boxed e-con e-parent\" data-id=\"7d6e783\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-b095673 elementor-widget elementor-widget-heading\" data-id=\"b095673\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">How Junction Heat Loss Is Measured\n<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-9a57ac4 elementor-widget elementor-widget-text-editor\" data-id=\"9a57ac4\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><span style=\"font-weight: 400;\">U-values describe how heat passes through a building element. Junctions need a bit more than that.<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-14a8208 elementor-widget elementor-widget-html\" data-id=\"14a8208\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"html.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<style>\n  .thermal-table {\n    font-family: 'Inter', Arial, sans-serif;\n    font-size: 16px;\n    border-collapse: collapse;\n    color: #000;\n   \n  }\n  .thermal-table th,\n  .thermal-table td {\n    text-align: left;\n    padding: 16px 10px 16px 10;\n    vertical-align: top;\n  }\n  .thermal-table th {\n    font-weight: 600;\n    text-align: center;\n  background: #f7f7f7;\n  \n<\/style>\n\n<table class=\"thermal-table\">\n  <thead>\n    <tr>\n      <th>Measurement<\/th>\n      <th>Meaning<\/th>\n      <th>Site Relevance<\/th>\n    <\/tr>\n  <\/thead>\n  <tbody>\n    <tr>\n      <td>U-Value, W\/(m\u00b2\u00b7K)<\/td>\n      <td>Heat transfer through an element, <br>per unit area and per degree of<br> temperature difference<\/td>\n      <td>Depends on the specified <br>build-up<\/td>\n    <\/tr>\n    <tr>\n      <td>Psi-Value (\u03c8), W\/(m\u00b7K)<\/td>\n      <td>The extra heat-transfer coefficient <br>for each metre of a linear junction<\/td>\n      <td>Depends on junction <br>geometry, materials and<br> calculation conventions<\/td>\n    <\/tr>\n    <tr>\n      <td>Chi-Value (\u03c7), W\/K<\/td>\n      <td>The heat-transfer coefficient tied<br> to a point bridge<\/td>\n      <td>May apply to localised<br> connections or penetrations<\/td>\n    <\/tr>\n    <tr>\n      <td>Surface Temperature<br> Factor (fRsi)<\/td>\n      <td>A dimensionless link between the<br> internal surface temperature and<br> the inside and outside temperatures<\/td>\n      <td>Supports checks on surface<br> condensation and mould risk<\/td>\n    <\/tr>\n  <\/tbody>\n<\/table>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-555ca18 elementor-widget elementor-widget-text-editor\" data-id=\"555ca18\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><span style=\"font-weight: 400;\">One point people get wrong a lot: a psi-value only covers the junction&#8217;s extra contribution, measured against the adjoining elements already in the calculation. It isn&#8217;t the total heat passing through the whole construction.<\/span><\/p><p><span style=\"font-weight: 400;\">Heat loss and surface-temperature performance also need looking at separately. ISO 10211 sets out how to calculate heat flows and minimum surface temperatures using two- or three-dimensional models.<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-0384723 elementor-widget elementor-widget-heading\" data-id=\"0384723\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">How the Numbers Add Up\n<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-68b9504 elementor-widget elementor-widget-text-editor\" data-id=\"68b9504\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><span style=\"font-weight: 400;\">Take an illustrative junction with a psi-value of 0.10 W\/(m\u00b7K) running for 40 metres.<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-58c4b02 elementor-icon-list--layout-traditional elementor-list-item-link-full_width elementor-widget elementor-widget-icon-list\" data-id=\"58c4b02\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"icon-list.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<ul class=\"elementor-icon-list-items\">\n\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item\">\n\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-icon\">\n\t\t\t\t\t\t\t<svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-long-arrow-alt-right\" viewbox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M313.941 216H12c-6.627 0-12 5.373-12 12v56c0 6.627 5.373 12 12 12h301.941v46.059c0 21.382 25.851 32.09 40.971 16.971l86.059-86.059c9.373-9.373 9.373-24.569 0-33.941l-86.059-86.059c-15.119-15.119-40.971-4.411-40.971 16.971V216z\"><\/path><\/svg>\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\"><b>Extra Heat-Loss Coefficient: <\/b>0.10 \u00d7 40 = 4 W\/K<\/span>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item\">\n\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-icon\">\n\t\t\t\t\t\t\t<svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-long-arrow-alt-right\" viewbox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M313.941 216H12c-6.627 0-12 5.373-12 12v56c0 6.627 5.373 12 12 12h301.941v46.059c0 21.382 25.851 32.09 40.971 16.971l86.059-86.059c9.373-9.373 9.373-24.569 0-33.941l-86.059-86.059c-15.119-15.119-40.971-4.411-40.971 16.971V216z\"><\/path><\/svg>\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\"><b>At a Steady 20 K Temperature Difference: <\/b>4 \u00d7 20 = 80 W<\/span>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t<\/ul>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-6d8cb0d elementor-widget elementor-widget-text-editor\" data-id=\"6d8cb0d\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><span style=\"font-weight: 400;\">That&#8217;s the extra heat-transfer rate under those assumed conditions. It isn&#8217;t an annual energy figure, a compliance limit, or a recommended design value. It&#8217;s there to show how the numbers connect. <\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-f9e0b2f e-con-full e-flex e-con e-parent\" data-id=\"f9e0b2f\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-4e4f04e elementor-invisible elementor-widget elementor-widget-image\" data-id=\"4e4f04e\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;fadeInUp&quot;}\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img fetchpriority=\"high\" decoding=\"async\" width=\"825\" height=\"550\" src=\"https:\/\/tradefoxapp.com\/wp-content\/uploads\/2026\/11\/Why-Cold-Junctions-Raise-Condensation-Risk.png\" class=\"attachment-large size-large wp-image-23381\" alt=\"Why Cold Junctions Raise Condensation Risk\" srcset=\"https:\/\/tradefoxapp.com\/wp-content\/uploads\/2026\/11\/Why-Cold-Junctions-Raise-Condensation-Risk.png 825w, https:\/\/tradefoxapp.com\/wp-content\/uploads\/2026\/11\/Why-Cold-Junctions-Raise-Condensation-Risk-300x200.png 300w, https:\/\/tradefoxapp.com\/wp-content\/uploads\/2026\/11\/Why-Cold-Junctions-Raise-Condensation-Risk-768x512.png 768w, https:\/\/tradefoxapp.com\/wp-content\/uploads\/2026\/11\/Why-Cold-Junctions-Raise-Condensation-Risk-18x12.png 18w, https:\/\/tradefoxapp.com\/wp-content\/uploads\/2026\/11\/Why-Cold-Junctions-Raise-Condensation-Risk-600x400.png 600w\" sizes=\"(max-width: 825px) 100vw, 825px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-6fd6cc5 e-flex e-con-boxed e-con e-parent\" data-id=\"6fd6cc5\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-c65f8e7 elementor-widget elementor-widget-heading\" data-id=\"c65f8e7\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Why Cold Junctions Raise Condensation Risk\n<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-3f39b80 elementor-widget elementor-widget-text-editor\" data-id=\"3f39b80\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><span style=\"font-weight: 400;\">Cold junctions can sit at a higher surface humidity than the warmer wall around them. Let that hold for long enough and mould can appear before you ever see water droplets.<\/span><\/p><p><span style=\"font-weight: 400;\">The risk comes down to a few things working together:<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-8be59fc elementor-icon-list--layout-traditional elementor-list-item-link-full_width elementor-widget elementor-widget-icon-list\" data-id=\"8be59fc\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"icon-list.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<ul class=\"elementor-icon-list-items\">\n\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item\">\n\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-icon\">\n\t\t\t\t\t\t\t<svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-long-arrow-alt-right\" viewbox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M313.941 216H12c-6.627 0-12 5.373-12 12v56c0 6.627 5.373 12 12 12h301.941v46.059c0 21.382 25.851 32.09 40.971 16.971l86.059-86.059c9.373-9.373 9.373-24.569 0-33.941l-86.059-86.059c-15.119-15.119-40.971-4.411-40.971 16.971V216z\"><\/path><\/svg>\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\"><b>Surface Temperature: <\/b>Colder junctions are more exposed under the same indoor moisture.<\/span>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item\">\n\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-icon\">\n\t\t\t\t\t\t\t<svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-long-arrow-alt-right\" viewbox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M313.941 216H12c-6.627 0-12 5.373-12 12v56c0 6.627 5.373 12 12 12h301.941v46.059c0 21.382 25.851 32.09 40.971 16.971l86.059-86.059c9.373-9.373 9.373-24.569 0-33.941l-86.059-86.059c-15.119-15.119-40.971-4.411-40.971 16.971V216z\"><\/path><\/svg>\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\"><b>Moisture Levels: <\/b>Cooking, washing and daily life all add water vapour to the air.<\/span>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item\">\n\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-icon\">\n\t\t\t\t\t\t\t<svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-long-arrow-alt-right\" viewbox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M313.941 216H12c-6.627 0-12 5.373-12 12v56c0 6.627 5.373 12 12 12h301.941v46.059c0 21.382 25.851 32.09 40.971 16.971l86.059-86.059c9.373-9.373 9.373-24.569 0-33.941l-86.059-86.059c-15.119-15.119-40.971-4.411-40.971 16.971V216z\"><\/path><\/svg>\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\"><b>Ventilation Provision: <\/b>Good ventilation clears moisture and pollutants.<\/span>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item\">\n\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-icon\">\n\t\t\t\t\t\t\t<svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-long-arrow-alt-right\" viewbox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M313.941 216H12c-6.627 0-12 5.373-12 12v56c0 6.627 5.373 12 12 12h301.941v46.059c0 21.382 25.851 32.09 40.971 16.971l86.059-86.059c9.373-9.373 9.373-24.569 0-33.941l-86.059-86.059c-15.119-15.119-40.971-4.411-40.971 16.971V216z\"><\/path><\/svg>\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\"><b>Building Condition: <\/b>Water getting in, or existing damp defects, make the problem worse.<\/span>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t<\/ul>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-2913a9b elementor-widget elementor-widget-text-editor\" data-id=\"2913a9b\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><span style=\"font-weight: 400;\">Scottish Government guidance is clear that mould can grow on surfaces that are still above dew-point temperature. So no visible condensation doesn&#8217;t mean the junction is fine.<\/span><\/p><p><span style=\"font-weight: 400;\">Mould around a window reveal or a floor edge should send you to the construction and the conditions around it. Wiping it down and repainting won&#8217;t fix a junction that&#8217;s built wrong.\u00a0 <\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-15635d5 e-flex e-con-boxed e-con e-parent\" data-id=\"15635d5\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-e6cc434 elementor-widget elementor-widget-heading\" data-id=\"e6cc434\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Construction Details That Need Extra Attention\n<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-3fcbf8d elementor-widget elementor-widget-text-editor\" data-id=\"3fcbf8d\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><span style=\"font-weight: 400;\">Some junctions deserve a closer look than others. These are the ones where things go wrong most often, and where getting the detail right makes the biggest difference.<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-3ad8394 elementor-widget elementor-widget-heading\" data-id=\"3ad8394\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Ground Floor-to-Wall Connections\n<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-5f2f3e7 elementor-widget elementor-widget-text-editor\" data-id=\"5f2f3e7\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><span style=\"font-weight: 400;\">The floor perimeter is where floor insulation, wall insulation, the supporting structure and the damp-protection layers all meet. Each one can be spot-on by itself while the connection between them is left unfinished.<\/span><\/p><p><span style=\"font-weight: 400;\">Check the junction before the floor build-up hides it for good:<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-868064b elementor-icon-list--layout-traditional elementor-list-item-link-full_width elementor-widget elementor-widget-icon-list\" data-id=\"868064b\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"icon-list.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<ul class=\"elementor-icon-list-items\">\n\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item\">\n\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-icon\">\n\t\t\t\t\t\t\t<svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-long-arrow-alt-right\" viewbox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M313.941 216H12c-6.627 0-12 5.373-12 12v56c0 6.627 5.373 12 12 12h301.941v46.059c0 21.382 25.851 32.09 40.971 16.971l86.059-86.059c9.373-9.373 9.373-24.569 0-33.941l-86.059-86.059c-15.119-15.119-40.971-4.411-40.971 16.971V216z\"><\/path><\/svg>\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\"><b>Perimeter Insulation: <\/b>Confirm the specified detail actually ties the floor and wall insulation together.<\/span>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item\">\n\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-icon\">\n\t\t\t\t\t\t\t<svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-long-arrow-alt-right\" viewbox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M313.941 216H12c-6.627 0-12 5.373-12 12v56c0 6.627 5.373 12 12 12h301.941v46.059c0 21.382 25.851 32.09 40.971 16.971l86.059-86.059c9.373-9.373 9.373-24.569 0-33.941l-86.059-86.059c-15.119-15.119-40.971-4.411-40.971 16.971V216z\"><\/path><\/svg>\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\"><b>Door Thresholds:<\/b> Check how insulation, support, weather protection and access all work as one.<\/span>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item\">\n\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-icon\">\n\t\t\t\t\t\t\t<svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-long-arrow-alt-right\" viewbox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M313.941 216H12c-6.627 0-12 5.373-12 12v56c0 6.627 5.373 12 12 12h301.941v46.059c0 21.382 25.851 32.09 40.971 16.971l86.059-86.059c9.373-9.373 9.373-24.569 0-33.941l-86.059-86.059c-15.119-15.119-40.971-4.411-40.971 16.971V216z\"><\/path><\/svg>\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\"><b>Material Suitability: <\/b>Use components rated for the loading and moisture conditions on that job.<\/span>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t<\/ul>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-d0c0d3a elementor-widget elementor-widget-text-editor\" data-id=\"d0c0d3a\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><span style=\"font-weight: 400;\">Don&#8217;t swap foundation blocks, threshold supports or insulation products just because the sizes look close. Even a small change in conductivity, strength or moisture resistance can quietly break the assessed detail.<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-78aa7ba elementor-widget elementor-widget-heading\" data-id=\"78aa7ba\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Window Heads, Jambs and Sills\n<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-f55daaf elementor-widget elementor-widget-text-editor\" data-id=\"f55daaf\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><span style=\"font-weight: 400;\">Openings need joined-up detailing the whole way round. Sort the head but leave the jamb or the sill bare, and you&#8217;ve solved nothing.<\/span><\/p><p><span style=\"font-weight: 400;\">The installation information should spell out:<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-55e16b8 elementor-icon-list--layout-traditional elementor-list-item-link-full_width elementor-widget elementor-widget-icon-list\" data-id=\"55e16b8\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"icon-list.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<ul class=\"elementor-icon-list-items\">\n\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item\">\n\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-icon\">\n\t\t\t\t\t\t\t<svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-long-arrow-alt-right\" viewbox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M313.941 216H12c-6.627 0-12 5.373-12 12v56c0 6.627 5.373 12 12 12h301.941v46.059c0 21.382 25.851 32.09 40.971 16.971l86.059-86.059c9.373-9.373 9.373-24.569 0-33.941l-86.059-86.059c-15.119-15.119-40.971-4.411-40.971 16.971V216z\"><\/path><\/svg>\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\"><b>Frame Position: <\/b>How the frame sits against the wall insulation and the assessed junction.<\/span>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item\">\n\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-icon\">\n\t\t\t\t\t\t\t<svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-long-arrow-alt-right\" viewbox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M313.941 216H12c-6.627 0-12 5.373-12 12v56c0 6.627 5.373 12 12 12h301.941v46.059c0 21.382 25.851 32.09 40.971 16.971l86.059-86.059c9.373-9.373 9.373-24.569 0-33.941l-86.059-86.059c-15.119-15.119-40.971-4.411-40.971 16.971V216z\"><\/path><\/svg>\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\"><b>Reveal Treatment: <\/b>The specified cavity closer or reveal insulation.<\/span>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item\">\n\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-icon\">\n\t\t\t\t\t\t\t<svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-long-arrow-alt-right\" viewbox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M313.941 216H12c-6.627 0-12 5.373-12 12v56c0 6.627 5.373 12 12 12h301.941v46.059c0 21.382 25.851 32.09 40.971 16.971l86.059-86.059c9.373-9.373 9.373-24.569 0-33.941l-86.059-86.059c-15.119-15.119-40.971-4.411-40.971 16.971V216z\"><\/path><\/svg>\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\"><b>Air-Barrier Connection: <\/b>How the frame joins the building's air barrier.<\/span>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item\">\n\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-icon\">\n\t\t\t\t\t\t\t<svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-long-arrow-alt-right\" viewbox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M313.941 216H12c-6.627 0-12 5.373-12 12v56c0 6.627 5.373 12 12 12h301.941v46.059c0 21.382 25.851 32.09 40.971 16.971l86.059-86.059c9.373-9.373 9.373-24.569 0-33.941l-86.059-86.059c-15.119-15.119-40.971-4.411-40.971 16.971V216z\"><\/path><\/svg>\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\"><b>Weather Protection: <\/b>The seals, drainage paths and cavity trays needed, where they apply.<\/span>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item\">\n\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-icon\">\n\t\t\t\t\t\t\t<svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-long-arrow-alt-right\" viewbox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M313.941 216H12c-6.627 0-12 5.373-12 12v56c0 6.627 5.373 12 12 12h301.941v46.059c0 21.382 25.851 32.09 40.971 16.971l86.059-86.059c9.373-9.373 9.373-24.569 0-33.941l-86.059-86.059c-15.119-15.119-40.971-4.411-40.971 16.971V216z\"><\/path><\/svg>\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\"><b>Supporting Components: <\/b>The support specified under frames and thresholds.<\/span>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t<\/ul>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-c70ca8d elementor-widget elementor-widget-text-editor\" data-id=\"c70ca8d\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><span style=\"font-weight: 400;\">England&#8217;s Approved Document L covers where openings sit and how frames, cavity closers and insulation stay continuous. Apply it within the construction limits it states and the project specification.<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-c4a97c8 elementor-widget elementor-widget-heading\" data-id=\"c4a97c8\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Eaves and Wall-to-Roof Connections\n<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-6b98432 elementor-widget elementor-widget-text-editor\" data-id=\"6b98432\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><span style=\"font-weight: 400;\">Eaves rarely give you much room. Insulation, roof structure, ventilation and weather protection all have to fit the same tight space, and the detail has to carry every one of them.<\/span><\/p><p><span style=\"font-weight: 400;\">Insulation should follow the designed line between the roof and wall layers. Stop it short, or squash it below its installed thickness, and performance drops.<\/span><\/p><p><span style=\"font-weight: 400;\">Where ventilation is part of the design, keep that airflow path clear. Pack out the void without knowing why it&#8217;s there and you can trap moisture instead.<\/span><\/p><p><span style=\"font-weight: 400;\">Restricted insulation depth and missed insulation at roof junctions are known issues in NHBC&#8217;s guidance. Sort these interfaces before the roof covering and internal finishes shut off access.<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-a874f73 elementor-widget elementor-widget-heading\" data-id=\"a874f73\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Intermediate Floors and Structural Connections\n<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-a7227f6 elementor-widget elementor-widget-text-editor\" data-id=\"a7227f6\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><span style=\"font-weight: 400;\">Floor edges, balconies, masonry supports and steelwork can carry a lot of heat straight through the fabric. Some of these need a designed structural thermal break; others need a different structural arrangement or a specific insulation detail.<\/span><\/p><p><span style=\"font-weight: 400;\">Never cut, drill, remove or change a structural component to improve thermal performance unless the responsible designer tells you to.<\/span><\/p><p><span style=\"font-weight: 400;\">Don&#8217;t treat a generic insulating pad as a replacement for a specified structural thermal-break assembly. The connection still has to meet the project&#8217;s requirements for load transfer, movement, durability and fire performance.<\/span><\/p><p><span style=\"font-weight: 400;\">Some junctions need numerical modelling, because heat runs through them in more than one direction. BRE&#8217;s BR 497 gives the conventions that keep those junction calculations consistent.<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-c1ab0d7 elementor-widget elementor-widget-heading\" data-id=\"c1ab0d7\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Cavity Walls and Insulation Interfaces\n<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-c5310c9 elementor-widget elementor-widget-text-editor\" data-id=\"c5310c9\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><span style=\"font-weight: 400;\">Mortar droppings, damaged boards and poor retention can stop a cavity insulation system doing its job.<\/span><\/p><p><span style=\"font-weight: 400;\">Follow the specified full-fill or partial-fill system. Keep any required residual cavity, and line the insulation up with ties, closers, <a href=\"https:\/\/tradefoxapp.com\/fr\/brickwork-lintel\/\">lintels<\/a> et <a href=\"https:\/\/tradefoxapp.com\/fr\/cavity-trays-explained\/\">cavity trays<\/a>.<\/span><\/p><p><span style=\"font-weight: 400;\">Installation quality, proper certification and sticking to the system instructions are central to LABC Warranty&#8217;s cavity-wall guidance.<\/span><\/p><p><span style=\"font-weight: 400;\">One more point, and it matters: cavity barriers and fire-stopping have to stay in line with the fire design. Don&#8217;t assume an insulated cavity closer gives the fire protection you need unless it&#8217;s suitable and installed for that spot. Cavity barriers and fire-stopping do two different jobs. <\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-b0786fd e-flex e-con-boxed e-con e-parent\" data-id=\"b0786fd\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-249b9f1 elementor-widget elementor-widget-heading\" data-id=\"249b9f1\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Air Leakage and Thermal Bypass Are Separate Checks\n<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-808b5cf elementor-widget elementor-widget-text-editor\" data-id=\"808b5cf\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><span style=\"font-weight: 400;\">Air sealing and insulation continuity are related, but they&#8217;re not the same job.<\/span><\/p><p><span style=\"font-weight: 400;\">Air leakage is uncontrolled air moving through the envelope. Thermal bypass is air moving around or through insulation and carrying heat with it, which drops how well that insulation works.<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-f30c1d9 e-con-full e-flex e-con e-parent\" data-id=\"f30c1d9\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-bf6946f elementor-invisible elementor-widget elementor-widget-image\" data-id=\"bf6946f\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;fadeInUp&quot;}\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"825\" height=\"550\" src=\"https:\/\/tradefoxapp.com\/wp-content\/uploads\/2026\/11\/Air-Leakage-and-Thermal-Bypass-Are-Separate-Checks.png\" class=\"attachment-large size-large wp-image-23382\" alt=\"Air Leakage and Thermal Bypass Are Separate Checks\" srcset=\"https:\/\/tradefoxapp.com\/wp-content\/uploads\/2026\/11\/Air-Leakage-and-Thermal-Bypass-Are-Separate-Checks.png 825w, https:\/\/tradefoxapp.com\/wp-content\/uploads\/2026\/11\/Air-Leakage-and-Thermal-Bypass-Are-Separate-Checks-300x200.png 300w, https:\/\/tradefoxapp.com\/wp-content\/uploads\/2026\/11\/Air-Leakage-and-Thermal-Bypass-Are-Separate-Checks-768x512.png 768w, https:\/\/tradefoxapp.com\/wp-content\/uploads\/2026\/11\/Air-Leakage-and-Thermal-Bypass-Are-Separate-Checks-18x12.png 18w, https:\/\/tradefoxapp.com\/wp-content\/uploads\/2026\/11\/Air-Leakage-and-Thermal-Bypass-Are-Separate-Checks-600x400.png 600w\" sizes=\"(max-width: 825px) 100vw, 825px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-ac9e482 e-flex e-con-boxed e-con e-parent\" data-id=\"ac9e482\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-8c82327 elementor-widget elementor-widget-text-editor\" data-id=\"8c82327\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><span style=\"font-weight: 400;\">You can seal around a window, improve airtightness, and still leave a conductive lintel doing its damage. The reverse holds too: an insulated closer doesn&#8217;t automatically give you a continuous air seal.<\/span><\/p><p><span style=\"font-weight: 400;\">Keep the required background, subfloor, roof, and combustion-air ventilation clear. Where insulation or air-sealing work changes air leakage, revisit ventilation as part of the design. England&#8217;s Approved Documents F and J cover ventilation and combustion-air requirements.<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-8cfa014 e-flex e-con-boxed e-con e-parent\" data-id=\"8cfa014\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-ca39a01 elementor-widget elementor-widget-heading\" data-id=\"ca39a01\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Thermal Bridging and UK Building Regulations\n<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-ea7422e elementor-widget elementor-widget-text-editor\" data-id=\"ea7422e\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><span style=\"font-weight: 400;\">Building regulations are devolved, so the rules depend on the nation, the building type, the work involved and the relevant application or commencement dates.<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-73a2037 elementor-widget elementor-widget-html\" data-id=\"73a2037\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"html.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<style>\n  .energy-table {\n    font-family: 'Inter', Arial, sans-serif;\n    font-size: 16px;\n    border-collapse: collapse;\n    color: #000;\n    width: 100%;\n    max-width: 800px;\n  }\n  .energy-table th,\n  .energy-table td {\n    text-align: left;\n    padding: 10px 16px 10px 16px;\n    vertical-align: top;\n  }\n  .energy-table th {\n    font-weight: 600;\n    text-align: center;\n    background: #f7f7f7;\n  }\n \n<\/style>\n\n<table class=\"energy-table\">\n  <thead>\n    <tr>\n      <th>Nation<\/th>\n      <th>Relevant Energy Guidance<\/th>\n    <\/tr>\n  <\/thead>\n  <tbody>\n    <tr>\n      <td>England<\/td>\n      <td>Approved Document L, with separate volumes for dwellings and other<br> buildings<\/td>\n    <\/tr>\n    <tr>\n      <td>Wales<\/td>\n      <td>Welsh Approved Document L, with separate volumes and transitional<br> arrangements<\/td>\n    <\/tr>\n    <tr>\n      <td>Scotland<\/td>\n      <td>Building Standards Technical Handbooks, including Section 6: Energy<\/td>\n    <\/tr>\n    <tr>\n      <td>Northern Ireland<\/td>\n      <td>Technical Booklets F1 and F2 for Conservation of Fuel and Power<\/td>\n    <\/tr>\n  <\/tbody>\n<\/table>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-9ee63ba elementor-widget elementor-widget-text-editor\" data-id=\"9ee63ba\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><span style=\"font-weight: 400;\">The regulations set the legal duty. The supporting documents explain recognised ways to meet it in each jurisdiction. Following the guidance doesn&#8217;t remove the need to satisfy every requirement that applies.<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-d6e74a8 elementor-widget elementor-widget-heading\" data-id=\"d6e74a8\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">England<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-930b39b elementor-widget elementor-widget-text-editor\" data-id=\"930b39b\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><strong><a href=\"https:\/\/assets.publishing.service.gov.uk\/media\/6a9a8da39a177a1decf97e0d\/Approved_Document_L__Volume_1_Dwellings.pdf\">England&#8217;s 2026 Approved Document L<\/a><\/strong><span style=\"font-weight: 400;\"> takes effect on 24 March 2027 for work that isn&#8217;t connected with higher-risk building work, and on 24 September 2027 for work that is, subject to transitional arrangements.<\/span><\/p><p><span style=\"font-weight: 400;\">Publication isn&#8217;t the same as application. The new edition doesn&#8217;t automatically cover every live project, so confirm the right edition before you specify or install a junction detail.<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-2deed31 elementor-widget elementor-widget-heading\" data-id=\"2deed31\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Wales\n<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-d74d7db elementor-widget elementor-widget-text-editor\" data-id=\"d74d7db\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><span style=\"font-weight: 400;\">Le<\/span><strong><a href=\"https:\/\/www.gov.wales\/sites\/default\/files\/publications\/2026-04\/building-regulations-approved-document-l-vol-1-2026.pdf\"> Welsh 2026 Approved Documents L<\/a><\/strong><span style=\"font-weight: 400;\"> take effect on 4 March 2027, under Welsh transitional provisions. Use Welsh guidance for Welsh projects.<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-4dec202 elementor-widget elementor-widget-heading\" data-id=\"4dec202\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Scotland<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-ceedc33 elementor-widget elementor-widget-text-editor\" data-id=\"ceedc33\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><strong><a href=\"https:\/\/www.gov.scot\/publications\/building-standards-technical-handbook-domestic-april-2026-pdf\/\">Scotland&#8217;s April 2026 Technical Handbooks<\/a><\/strong><span style=\"font-weight: 400;\"> apply to building warrant applications submitted on or after 6 April 2026, and to work that doesn&#8217;t need a warrant started from that date. Pick the domestic or non-domestic handbook to match the job.<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-c182240 elementor-widget elementor-widget-heading\" data-id=\"c182240\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Northern Ireland\n<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-c210fb6 elementor-widget elementor-widget-text-editor\" data-id=\"c210fb6\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><strong><a href=\"https:\/\/www.finance-ni.gov.uk\/articles\/building-regulations-technical-booklets\">Technical Booklets F1 and F2<\/a><\/strong><span style=\"font-weight: 400;\"> give the energy guidance for dwellings and other buildings. The June 2022 editions came into effect on 30 June 2022. Northern Ireland also uses different regulation lettering from England, so don&#8217;t assume the Part L label carries across. <\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-547c52e e-flex e-con-boxed e-con e-parent\" data-id=\"547c52e\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-0eaa3ec elementor-widget elementor-widget-heading\" data-id=\"0eaa3ec\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Use Junction Values That Match the Construction\n<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-330949f elementor-widget elementor-widget-text-editor\" data-id=\"330949f\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><span style=\"font-weight: 400;\">Published psi-values are only any use when their assumptions and their allowed application fit what you&#8217;re actually building.<\/span><\/p><p><span style=\"font-weight: 400;\">Check the materials, dimensions, insulation positions and the calculation conventions. Bespoke calculations should follow the methods accepted for the relevant assessment, including BR 497 where it&#8217;s referenced, with surface-temperature performance checked on its own.<\/span><\/p><p><span style=\"font-weight: 400;\">Northern Ireland&#8217;s F1 guidance, for instance, sets specific routes and conditions for choosing junction values. Something that looks similar on the page isn&#8217;t proof it applies.<\/span><\/p><p><span style=\"font-weight: 400;\">The responsible designer should confirm the built junction matches the assessed detail. The energy assessor should use substantiated inputs and get specialist advice where it&#8217;s needed.\u00a0 <\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-41b7378 e-flex e-con-boxed e-con e-parent\" data-id=\"41b7378\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-d8ee708 elementor-widget elementor-widget-heading\" data-id=\"d8ee708\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Inspect Junctions Before They're Covered\n<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-59d2ac9 elementor-widget elementor-widget-text-editor\" data-id=\"59d2ac9\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><span style=\"font-weight: 400;\">Inspection has to follow the build sequence. Once screed, linings or roof finishes go over a junction, checking it gets a lot harder.<\/span><\/p><p><span style=\"font-weight: 400;\">Work to a documented process:<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-2f76392 elementor-icon-list--layout-traditional elementor-list-item-link-full_width elementor-widget elementor-widget-icon-list\" data-id=\"2f76392\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"icon-list.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<ul class=\"elementor-icon-list-items\">\n\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item\">\n\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-icon\">\n\t\t\t\t\t\t\t<svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-long-arrow-alt-right\" viewbox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M313.941 216H12c-6.627 0-12 5.373-12 12v56c0 6.627 5.373 12 12 12h301.941v46.059c0 21.382 25.851 32.09 40.971 16.971l86.059-86.059c9.373-9.373 9.373-24.569 0-33.941l-86.059-86.059c-15.119-15.119-40.971-4.411-40.971 16.971V216z\"><\/path><\/svg>\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\"><b>Drawing Reference: <\/b>Confirm the current issued detail and its revision.<\/span>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item\">\n\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-icon\">\n\t\t\t\t\t\t\t<svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-long-arrow-alt-right\" viewbox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M313.941 216H12c-6.627 0-12 5.373-12 12v56c0 6.627 5.373 12 12 12h301.941v46.059c0 21.382 25.851 32.09 40.971 16.971l86.059-86.059c9.373-9.373 9.373-24.569 0-33.941l-86.059-86.059c-15.119-15.119-40.971-4.411-40.971 16.971V216z\"><\/path><\/svg>\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\"><b>Product Identification: <\/b>Check the thermally important components against the specification.<\/span>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item\">\n\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-icon\">\n\t\t\t\t\t\t\t<svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-long-arrow-alt-right\" viewbox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M313.941 216H12c-6.627 0-12 5.373-12 12v56c0 6.627 5.373 12 12 12h301.941v46.059c0 21.382 25.851 32.09 40.971 16.971l86.059-86.059c9.373-9.373 9.373-24.569 0-33.941l-86.059-86.059c-15.119-15.119-40.971-4.411-40.971 16.971V216z\"><\/path><\/svg>\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\"><b>Insulation Connection: <\/b>Inspect edges, corners and every change in construction.<\/span>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item\">\n\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-icon\">\n\t\t\t\t\t\t\t<svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-long-arrow-alt-right\" viewbox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M313.941 216H12c-6.627 0-12 5.373-12 12v56c0 6.627 5.373 12 12 12h301.941v46.059c0 21.382 25.851 32.09 40.971 16.971l86.059-86.059c9.373-9.373 9.373-24.569 0-33.941l-86.059-86.059c-15.119-15.119-40.971-4.411-40.971 16.971V216z\"><\/path><\/svg>\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\"><b>Safety Interfaces: <\/b>Check the required ventilation, moisture protection and fire provisions.<\/span>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item\">\n\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-icon\">\n\t\t\t\t\t\t\t<svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-long-arrow-alt-right\" viewbox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M313.941 216H12c-6.627 0-12 5.373-12 12v56c0 6.627 5.373 12 12 12h301.941v46.059c0 21.382 25.851 32.09 40.971 16.971l86.059-86.059c9.373-9.373 9.373-24.569 0-33.941l-86.059-86.059c-15.119-15.119-40.971-4.411-40.971 16.971V216z\"><\/path><\/svg>\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\"><b>Photographic Record: <\/b>Note the property and the junction location, and keep the images with your inspection records.<\/span>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item\">\n\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-icon\">\n\t\t\t\t\t\t\t<svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-long-arrow-alt-right\" viewbox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M313.941 216H12c-6.627 0-12 5.373-12 12v56c0 6.627 5.373 12 12 12h301.941v46.059c0 21.382 25.851 32.09 40.971 16.971l86.059-86.059c9.373-9.373 9.373-24.569 0-33.941l-86.059-86.059c-15.119-15.119-40.971-4.411-40.971 16.971V216z\"><\/path><\/svg>\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\"><b>Design Changes: <\/b>Settle any deviations before the work gets covered.<\/span>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t<\/ul>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-c20df07 elementor-widget elementor-widget-text-editor\" data-id=\"c20df07\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><span style=\"font-weight: 400;\">England&#8217;s Approved Document L guidance asks for property-specific photographic evidence at set construction stages. Wales has its own evidence provisions, and it says plainly that photographs don&#8217;t replace building control inspections.<\/span><\/p><p><span style=\"font-weight: 400;\">New to this? Trace the insulation and air-barrier lines through a section drawing, then compare them with what&#8217;s actually on site. Anything that doesn&#8217;t resolve goes to the supervising tradesperson or the responsible designer, not into a guess.\u00a0<\/span><\/p><p><span style=\"font-weight: 400;\">Getting junction details right takes care from every trade involved. Explore bricklaying and carpentry courses with <\/span><strong><a href=\"https:\/\/learn.tradefoxapp.com\/\">Tradefox<\/a><\/strong><span style=\"font-weight: 400;\"> to build your core trade skills through guided simulations, with learning you can fit around work or college. <\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-0b8eeeb e-flex e-con-boxed e-con e-parent\" data-id=\"0b8eeeb\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-594016b elementor-widget elementor-widget-heading\" data-id=\"594016b\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Retrofit Needs a Building-Specific Assessment\n<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-a5cebe3 elementor-widget elementor-widget-text-editor\" data-id=\"a5cebe3\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><span style=\"font-weight: 400;\">Cutting thermal bridging in an existing building starts with understanding how that building was put together in the first place.<\/span><\/p><p><span style=\"font-weight: 400;\">Internal wall insulation changes how the existing wall handles temperature and moisture. Reveals, intermediate floors, internal partitions and buried timber can all need particular care.<\/span><\/p><p><span style=\"font-weight: 400;\">Find and fix any relevant moisture defects before you install. Assess exposure, drying potential and condensation risk, and use proper hygrothermal assessment where it&#8217;s called for.<\/span><\/p><p><span style=\"font-weight: 400;\">Insulation returns onto adjoining surfaces can cut junction losses, but the material, thickness and extent all need designing. Historic England stresses compatibility with the existing construction and warns against letting moisture build up where it can do harm.<\/span><\/p><p><span style=\"font-weight: 400;\">The government&#8217;s retrofit guidance is written for designers, surveyors, project managers and installers. Interfaces that don&#8217;t resolve belong with the responsible retrofit designer, not improvised on site. <\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>","protected":false},"excerpt":{"rendered":"<p>Even a well-insulated wall loses heat where it meets a floor, roof, window or structural connection. These junctions bring different materials and layers together, and that creates heat-flow paths that need careful design and careful installation. The problem isn&#8217;t only about energy bills. Cold junctions can leave the inside surface colder than the rest of [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":23380,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"no-sidebar","site-content-layout":"","ast-site-content-layout":"full-width-container","site-content-style":"unboxed","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"default","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"_glsr_average":0,"_glsr_ranking":0,"_glsr_reviews":0,"footnotes":""},"categories":[39],"tags":[2812,2823,2817,2816,2813,2810,2807,2820,2708,1400,2824,2822,2814,2815,2819,2809,2821,2811,2808,2818],"class_list":["post-23376","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-construction","tag-air-leakage","tag-building-envelope","tag-cavity-barriers","tag-cavity-closers","tag-cavity-insulation","tag-cavity-walls","tag-cold-bridging","tag-condensation-risk","tag-floor-insulation","tag-heat-loss","tag-heat-transfer","tag-insulation-continuity","tag-perimeter-insulation","tag-reveal-insulation","tag-surface-condensation","tag-surface-temperature","tag-thermal-break","tag-thermal-bypass","tag-thermal-performance","tag-wall-insulation"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.8 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Thermal Bridging: How Junctions Lose Heat and Where Construction Details Matter<\/title>\n<meta name=\"description\" content=\"See how thermal bridging causes heat loss at building junctions, raises condensation risk and affects insulation details, site inspections and retrofit work.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/tradefoxapp.com\/fr\/thermal-bridging\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Thermal Bridging: How Junctions Lose Heat and Where Construction Details Matter\" \/>\n<meta property=\"og:description\" content=\"See how thermal bridging causes heat loss at building junctions, raises condensation risk and affects insulation details, site inspections and retrofit work.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/tradefoxapp.com\/fr\/thermal-bridging\/\" \/>\n<meta property=\"og:site_name\" content=\"Tradefox | Construction Training Online\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/profile.php?id=61561067514381\" \/>\n<meta property=\"article:published_time\" content=\"2026-11-03T06:00:39+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2026-11-06T16:44:41+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/tradefoxapp.com\/wp-content\/uploads\/2026\/11\/Where-does-a-building-lose-heat.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"825\" \/>\n\t<meta property=\"og:image:height\" content=\"550\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"Tradefoxapp\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@Tradefox_app\" \/>\n<meta name=\"twitter:site\" content=\"@Tradefox_app\" \/>\n<meta name=\"twitter:label1\" content=\"\u00c9crit par\" \/>\n\t<meta name=\"twitter:data1\" content=\"Tradefoxapp\" \/>\n\t<meta name=\"twitter:label2\" content=\"Dur\u00e9e de lecture estim\u00e9e\" \/>\n\t<meta name=\"twitter:data2\" content=\"11 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/tradefoxapp.com\\\/thermal-bridging\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/tradefoxapp.com\\\/thermal-bridging\\\/\"},\"author\":{\"name\":\"Tradefoxapp\",\"@id\":\"https:\\\/\\\/tradefoxapp.com\\\/#\\\/schema\\\/person\\\/cad3ebca9b0c18ad17cdf9222b9e4d06\"},\"headline\":\"Thermal Bridging: How Junctions Lose Heat and Where Construction Details Matter\",\"datePublished\":\"2026-11-03T06:00:39+00:00\",\"dateModified\":\"2026-11-06T16:44:41+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/tradefoxapp.com\\\/thermal-bridging\\\/\"},\"wordCount\":2269,\"publisher\":{\"@id\":\"https:\\\/\\\/tradefoxapp.com\\\/#organization\"},\"image\":{\"@id\":\"https:\\\/\\\/tradefoxapp.com\\\/thermal-bridging\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/tradefoxapp.com\\\/wp-content\\\/uploads\\\/2026\\\/11\\\/Where-does-a-building-lose-heat.jpg\",\"keywords\":[\"Air leakage\",\"Building envelope\",\"Cavity barriers\",\"Cavity closers\",\"Cavity insulation\",\"Cavity walls\",\"Cold bridging\",\"Condensation risk\",\"floor insulation\",\"heat loss\",\"Heat transfer\",\"Insulation continuity\",\"Perimeter insulation\",\"Reveal insulation\",\"Surface condensation\",\"Surface temperature\",\"Thermal break\",\"Thermal bypass\",\"Thermal performance\",\"Wall insulation\"],\"articleSection\":[\"Construction\"],\"inLanguage\":\"fr-FR\"},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/tradefoxapp.com\\\/thermal-bridging\\\/\",\"url\":\"https:\\\/\\\/tradefoxapp.com\\\/thermal-bridging\\\/\",\"name\":\"Thermal Bridging: How Junctions Lose Heat and Where Construction Details Matter\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/tradefoxapp.com\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/tradefoxapp.com\\\/thermal-bridging\\\/#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/tradefoxapp.com\\\/thermal-bridging\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/tradefoxapp.com\\\/wp-content\\\/uploads\\\/2026\\\/11\\\/Where-does-a-building-lose-heat.jpg\",\"datePublished\":\"2026-11-03T06:00:39+00:00\",\"dateModified\":\"2026-11-06T16:44:41+00:00\",\"description\":\"See how thermal bridging causes heat loss at building junctions, raises condensation risk and affects insulation details, site inspections and retrofit work.\",\"breadcrumb\":{\"@id\":\"https:\\\/\\\/tradefoxapp.com\\\/thermal-bridging\\\/#breadcrumb\"},\"inLanguage\":\"fr-FR\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/tradefoxapp.com\\\/thermal-bridging\\\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"fr-FR\",\"@id\":\"https:\\\/\\\/tradefoxapp.com\\\/thermal-bridging\\\/#primaryimage\",\"url\":\"https:\\\/\\\/tradefoxapp.com\\\/wp-content\\\/uploads\\\/2026\\\/11\\\/Where-does-a-building-lose-heat.jpg\",\"contentUrl\":\"https:\\\/\\\/tradefoxapp.com\\\/wp-content\\\/uploads\\\/2026\\\/11\\\/Where-does-a-building-lose-heat.jpg\",\"width\":825,\"height\":550,\"caption\":\"Where does a building lose heat\"},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/tradefoxapp.com\\\/thermal-bridging\\\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\\\/\\\/tradefoxapp.com\\\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Thermal Bridging: How Junctions Lose Heat and Where Construction Details Matter\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\\\/\\\/tradefoxapp.com\\\/#website\",\"url\":\"https:\\\/\\\/tradefoxapp.com\\\/\",\"name\":\"Tradefox | Construction Training Online\",\"description\":\"\",\"publisher\":{\"@id\":\"https:\\\/\\\/tradefoxapp.com\\\/#organization\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\\\/\\\/tradefoxapp.com\\\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"fr-FR\"},{\"@type\":\"Organization\",\"@id\":\"https:\\\/\\\/tradefoxapp.com\\\/#organization\",\"name\":\"Tradefox | Construction Training Online\",\"url\":\"https:\\\/\\\/tradefoxapp.com\\\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"fr-FR\",\"@id\":\"https:\\\/\\\/tradefoxapp.com\\\/#\\\/schema\\\/logo\\\/image\\\/\",\"url\":\"https:\\\/\\\/tradefoxapp.com\\\/wp-content\\\/uploads\\\/2026\\\/03\\\/logo-transperent.png\",\"contentUrl\":\"https:\\\/\\\/tradefoxapp.com\\\/wp-content\\\/uploads\\\/2026\\\/03\\\/logo-transperent.png\",\"width\":1024,\"height\":208,\"caption\":\"Tradefox | Construction Training Online\"},\"image\":{\"@id\":\"https:\\\/\\\/tradefoxapp.com\\\/#\\\/schema\\\/logo\\\/image\\\/\"},\"sameAs\":[\"https:\\\/\\\/www.facebook.com\\\/profile.php?id=61561067514381\",\"https:\\\/\\\/x.com\\\/Tradefox_app\",\"https:\\\/\\\/www.instagram.com\\\/tradefoxapp\\\/\",\"https:\\\/\\\/www.linkedin.com\\\/company\\\/tradefox-ltd\\\/\"]},{\"@type\":\"Person\",\"@id\":\"https:\\\/\\\/tradefoxapp.com\\\/#\\\/schema\\\/person\\\/cad3ebca9b0c18ad17cdf9222b9e4d06\",\"name\":\"Tradefoxapp\",\"sameAs\":[\"https:\\\/\\\/tradefoxapp.com\"]}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Thermal Bridging: How Junctions Lose Heat and Where Construction Details Matter","description":"See how thermal bridging causes heat loss at building junctions, raises condensation risk and affects insulation details, site inspections and retrofit work.","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/tradefoxapp.com\/fr\/thermal-bridging\/","og_locale":"fr_FR","og_type":"article","og_title":"Thermal Bridging: How Junctions Lose Heat and Where Construction Details Matter","og_description":"See how thermal bridging causes heat loss at building junctions, raises condensation risk and affects insulation details, site inspections and retrofit work.","og_url":"https:\/\/tradefoxapp.com\/fr\/thermal-bridging\/","og_site_name":"Tradefox | Construction Training Online","article_publisher":"https:\/\/www.facebook.com\/profile.php?id=61561067514381","article_published_time":"2026-11-03T06:00:39+00:00","article_modified_time":"2026-11-06T16:44:41+00:00","og_image":[{"width":825,"height":550,"url":"https:\/\/tradefoxapp.com\/wp-content\/uploads\/2026\/11\/Where-does-a-building-lose-heat.jpg","type":"image\/jpeg"}],"author":"Tradefoxapp","twitter_card":"summary_large_image","twitter_creator":"@Tradefox_app","twitter_site":"@Tradefox_app","twitter_misc":{"\u00c9crit par":"Tradefoxapp","Dur\u00e9e de lecture estim\u00e9e":"11 minutes"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/tradefoxapp.com\/thermal-bridging\/#article","isPartOf":{"@id":"https:\/\/tradefoxapp.com\/thermal-bridging\/"},"author":{"name":"Tradefoxapp","@id":"https:\/\/tradefoxapp.com\/#\/schema\/person\/cad3ebca9b0c18ad17cdf9222b9e4d06"},"headline":"Thermal Bridging: How Junctions Lose Heat and Where Construction Details Matter","datePublished":"2026-11-03T06:00:39+00:00","dateModified":"2026-11-06T16:44:41+00:00","mainEntityOfPage":{"@id":"https:\/\/tradefoxapp.com\/thermal-bridging\/"},"wordCount":2269,"publisher":{"@id":"https:\/\/tradefoxapp.com\/#organization"},"image":{"@id":"https:\/\/tradefoxapp.com\/thermal-bridging\/#primaryimage"},"thumbnailUrl":"https:\/\/tradefoxapp.com\/wp-content\/uploads\/2026\/11\/Where-does-a-building-lose-heat.jpg","keywords":["Air leakage","Building envelope","Cavity barriers","Cavity closers","Cavity insulation","Cavity walls","Cold bridging","Condensation risk","floor insulation","heat loss","Heat transfer","Insulation continuity","Perimeter insulation","Reveal insulation","Surface condensation","Surface temperature","Thermal break","Thermal bypass","Thermal performance","Wall insulation"],"articleSection":["Construction"],"inLanguage":"fr-FR"},{"@type":"WebPage","@id":"https:\/\/tradefoxapp.com\/thermal-bridging\/","url":"https:\/\/tradefoxapp.com\/thermal-bridging\/","name":"Thermal Bridging: How Junctions Lose Heat and Where Construction Details Matter","isPartOf":{"@id":"https:\/\/tradefoxapp.com\/#website"},"primaryImageOfPage":{"@id":"https:\/\/tradefoxapp.com\/thermal-bridging\/#primaryimage"},"image":{"@id":"https:\/\/tradefoxapp.com\/thermal-bridging\/#primaryimage"},"thumbnailUrl":"https:\/\/tradefoxapp.com\/wp-content\/uploads\/2026\/11\/Where-does-a-building-lose-heat.jpg","datePublished":"2026-11-03T06:00:39+00:00","dateModified":"2026-11-06T16:44:41+00:00","description":"See how thermal bridging causes heat loss at building junctions, raises condensation risk and affects insulation details, site inspections and retrofit work.","breadcrumb":{"@id":"https:\/\/tradefoxapp.com\/thermal-bridging\/#breadcrumb"},"inLanguage":"fr-FR","potentialAction":[{"@type":"ReadAction","target":["https:\/\/tradefoxapp.com\/thermal-bridging\/"]}]},{"@type":"ImageObject","inLanguage":"fr-FR","@id":"https:\/\/tradefoxapp.com\/thermal-bridging\/#primaryimage","url":"https:\/\/tradefoxapp.com\/wp-content\/uploads\/2026\/11\/Where-does-a-building-lose-heat.jpg","contentUrl":"https:\/\/tradefoxapp.com\/wp-content\/uploads\/2026\/11\/Where-does-a-building-lose-heat.jpg","width":825,"height":550,"caption":"Where does a building lose heat"},{"@type":"BreadcrumbList","@id":"https:\/\/tradefoxapp.com\/thermal-bridging\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/tradefoxapp.com\/"},{"@type":"ListItem","position":2,"name":"Thermal Bridging: How Junctions Lose Heat and Where Construction Details Matter"}]},{"@type":"WebSite","@id":"https:\/\/tradefoxapp.com\/#website","url":"https:\/\/tradefoxapp.com\/","name":"Tradefox | Formation en construction en ligne","description":"","publisher":{"@id":"https:\/\/tradefoxapp.com\/#organization"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/tradefoxapp.com\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"fr-FR"},{"@type":"Organization","@id":"https:\/\/tradefoxapp.com\/#organization","name":"Tradefox | Formation en construction en ligne","url":"https:\/\/tradefoxapp.com\/","logo":{"@type":"ImageObject","inLanguage":"fr-FR","@id":"https:\/\/tradefoxapp.com\/#\/schema\/logo\/image\/","url":"https:\/\/tradefoxapp.com\/wp-content\/uploads\/2026\/03\/logo-transperent.png","contentUrl":"https:\/\/tradefoxapp.com\/wp-content\/uploads\/2026\/03\/logo-transperent.png","width":1024,"height":208,"caption":"Tradefox | Construction Training Online"},"image":{"@id":"https:\/\/tradefoxapp.com\/#\/schema\/logo\/image\/"},"sameAs":["https:\/\/www.facebook.com\/profile.php?id=61561067514381","https:\/\/x.com\/Tradefox_app","https:\/\/www.instagram.com\/tradefoxapp\/","https:\/\/www.linkedin.com\/company\/tradefox-ltd\/"]},{"@type":"Person","@id":"https:\/\/tradefoxapp.com\/#\/schema\/person\/cad3ebca9b0c18ad17cdf9222b9e4d06","name":"Tradefoxapp","sameAs":["https:\/\/tradefoxapp.com"]}]}},"_links":{"self":[{"href":"https:\/\/tradefoxapp.com\/fr\/wp-json\/wp\/v2\/posts\/23376","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/tradefoxapp.com\/fr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/tradefoxapp.com\/fr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/tradefoxapp.com\/fr\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/tradefoxapp.com\/fr\/wp-json\/wp\/v2\/comments?post=23376"}],"version-history":[{"count":19,"href":"https:\/\/tradefoxapp.com\/fr\/wp-json\/wp\/v2\/posts\/23376\/revisions"}],"predecessor-version":[{"id":25120,"href":"https:\/\/tradefoxapp.com\/fr\/wp-json\/wp\/v2\/posts\/23376\/revisions\/25120"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/tradefoxapp.com\/fr\/wp-json\/wp\/v2\/media\/23380"}],"wp:attachment":[{"href":"https:\/\/tradefoxapp.com\/fr\/wp-json\/wp\/v2\/media?parent=23376"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/tradefoxapp.com\/fr\/wp-json\/wp\/v2\/categories?post=23376"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/tradefoxapp.com\/fr\/wp-json\/wp\/v2\/tags?post=23376"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}