{"id":14099,"date":"2026-07-09T15:35:11","date_gmt":"2026-07-09T14:35:11","guid":{"rendered":"https:\/\/quantumprofilesystems.com\/qwood\/?post_type=blog_post&#038;p=14099"},"modified":"2026-07-09T15:41:53","modified_gmt":"2026-07-09T14:41:53","slug":"qwood-and-dark-colours","status":"publish","type":"blog_post","link":"https:\/\/quantumprofilesystems.com\/qwood\/blog-post\/qwood-and-dark-colours\/","title":{"rendered":"Qwood and\u00a0Dark Colours"},"content":{"rendered":"<p><b><span data-contrast=\"auto\">Qwood and\u00a0Dark Colours: Understanding Thermal Performance<\/span><\/b><span data-ccp-props=\"{}\">\u00a0<\/span><\/p>\n<p><span data-contrast=\"auto\">Dark-coloured windows and doors have become increasingly popular, with anthracite greys, blacks and other contemporary finishes now widely specified across modern and traditional properties.<\/span><span data-ccp-props=\"{}\">\u00a0<\/span><\/p>\n<p><span data-contrast=\"auto\">While dark colours can create a striking aesthetic, it is important to understand how colour choice can influence the thermal performance of exterior building products.<\/span><span data-ccp-props=\"{}\">\u00a0<\/span><\/p>\n<p><span data-contrast=\"auto\">At Qwood, we believe in\u00a0providing\u00a0clear technical guidance to help manufacturers and joiners achieve the best possible long-term performance from their\u00a0windows and doors.<\/span><span data-ccp-props=\"{}\">\u00a0<\/span><\/p>\n<p><b><span data-contrast=\"auto\">Why do dark colours require consideration?<\/span><\/b><span data-ccp-props=\"{}\">\u00a0<\/span><\/p>\n<p><span data-contrast=\"auto\">All exterior building materials are affected by solar heat gain. Dark colours absorb more radiant energy from sunlight than lighter colours, which can result in increased surface temperatures.<\/span><span data-ccp-props=\"{}\">\u00a0<\/span><\/p>\n<p><span data-contrast=\"auto\">This is measured using Light Reflectance Value (LRV).<\/span><span data-ccp-props=\"{}\">\u00a0<\/span><\/p>\n<p><span data-contrast=\"auto\">LRV indicates how much visible light a colour reflects:<\/span><span data-ccp-props=\"{}\">\u00a0<\/span><\/p>\n<ul>\n<li><span data-contrast=\"auto\">A high LRV colour, such as white, reflects more light and absorbs less heat.<\/span><span data-ccp-props=\"{}\">\u00a0<\/span><\/li>\n<li><span data-contrast=\"auto\">A low LRV colour, such as black or very dark grey, absorbs more solar energy and can result in higher surface temperatures.<\/span><span data-ccp-props=\"{}\">\u00a0<\/span><\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<p><span data-contrast=\"auto\">For this reason, dark-coloured finishes require\u00a0additional\u00a0consideration when used on external\u00a0joinery, particularly in highly exposed locations.<\/span><span data-ccp-props=\"{}\">\u00a0<\/span><\/p>\n<p><span data-contrast=\"none\">Any\u00a0colour\u00a0using\u00a0&#8220;carbon black&#8221;\u00a0as\u00a0the\u00a0most common pigment\u00a0to darken the\u00a0colour \u2013\u00a0is\u00a0especially prone to\u00a0absorbing\u00a0and holding\u00a0heat.<\/span><span data-ccp-props=\"{&quot;134233117&quot;:false,&quot;134233118&quot;:false,&quot;201341983&quot;:0,&quot;335551550&quot;:1,&quot;335551620&quot;:1,&quot;335559685&quot;:0,&quot;335559737&quot;:0,&quot;335559738&quot;:0,&quot;335559739&quot;:160,&quot;335559740&quot;:278}\">\u00a0<\/span><\/p>\n<p><b><span data-contrast=\"auto\">How does Qwood perform compared with traditional timber?<\/span><\/b><span data-ccp-props=\"{}\">\u00a0<\/span><\/p>\n<p><span data-contrast=\"auto\">Qwood has been specifically developed to\u00a0provide\u00a0a more stable alternative to traditional timber beads.<\/span><span data-ccp-props=\"{}\">\u00a0<\/span><\/p>\n<p><span data-contrast=\"auto\">While timber is a natural material that can experience movement due to changes in moisture,\u00a0temperature\u00a0and environmental conditions, Qwood offers significantly improved dimensional stability.<\/span><span data-ccp-props=\"{}\">\u00a0<\/span><\/p>\n<p><span data-contrast=\"auto\">Compared with traditional timber beads:<\/span><span data-ccp-props=\"{}\">\u00a0<\/span><\/p>\n<table style=\"height: 290px\" width=\"678\" data-tablestyle=\"MsoNormalTable\" data-tablelook=\"1184\">\n<tbody>\n<tr>\n<td data-celllook=\"0\"><b><span data-contrast=\"auto\">Traditional timber beads<\/span><\/b><span data-ccp-props=\"{}\">\u00a0<\/span><\/td>\n<td data-celllook=\"0\"><b><span data-contrast=\"auto\">Qwood beads<\/span><\/b><span data-ccp-props=\"{}\">\u00a0<\/span><\/td>\n<\/tr>\n<tr>\n<td data-celllook=\"0\"><span data-contrast=\"auto\">Natural movement caused by moisture changes<\/span><span data-ccp-props=\"{}\">\u00a0<\/span><\/td>\n<td data-celllook=\"0\"><span data-contrast=\"auto\">Excellent dimensional stability<\/span><span data-ccp-props=\"{}\">\u00a0<\/span><\/td>\n<\/tr>\n<tr>\n<td data-celllook=\"0\"><span data-contrast=\"auto\">Greater risk of swelling,\u00a0shrinking\u00a0and distortion<\/span><span data-ccp-props=\"{}\">\u00a0<\/span><\/td>\n<td data-celllook=\"0\"><span data-contrast=\"auto\">Minimal movement<\/span><span data-ccp-props=\"{}\">\u00a0<\/span><\/td>\n<\/tr>\n<tr>\n<td data-celllook=\"0\"><span data-contrast=\"auto\">Can require\u00a0additional\u00a0preparation and maintenance<\/span><span data-ccp-props=\"{}\">\u00a0<\/span><\/td>\n<td data-celllook=\"0\"><span data-contrast=\"auto\">Ready to use straight from the box<\/span><span data-ccp-props=\"{}\">\u00a0<\/span><\/td>\n<\/tr>\n<tr>\n<td data-celllook=\"0\"><span data-contrast=\"auto\">Performance can vary depending on timber conditions<\/span><span data-ccp-props=\"{}\">\u00a0<\/span><\/td>\n<td data-celllook=\"0\"><span data-contrast=\"auto\">Consistent manufactured performance<\/span><span data-ccp-props=\"{}\">\u00a0<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><span data-contrast=\"auto\">This stability is one of the key reasons why Qwood is trusted by manufacturers and joiners across the UK and internationally.<\/span><span data-ccp-props=\"{}\">\u00a0<\/span><\/p>\n<p><b><span data-contrast=\"auto\">Understanding dark colours and Qwood performance<\/span><\/b><span data-ccp-props=\"{}\">\u00a0<\/span><\/p>\n<p><span data-contrast=\"auto\">Qwood is significantly more stable than traditional timber, meaning the common movement issues often associated with timber beads are\u00a0greatly reduced.<\/span><span data-ccp-props=\"{}\">\u00a0<\/span><\/p>\n<p><span data-contrast=\"auto\">We manufacture over 2 million metres of\u00a0Qwood\u00a0bead annually, with only\u00a0a very small\u00a0number of reported issues. In the\u00a0reported\u00a0issues\u00a0we have investigated, the factors have typically involved\u00a0highly exposed locations with\u00a0a combination of:<\/span><span data-ccp-props=\"{&quot;134233117&quot;:false,&quot;134233118&quot;:false,&quot;201341983&quot;:0,&quot;335551550&quot;:1,&quot;335551620&quot;:1,&quot;335559685&quot;:0,&quot;335559737&quot;:0,&quot;335559738&quot;:0,&quot;335559739&quot;:160,&quot;335559740&quot;:278}\">\u00a0<\/span><\/p>\n<ul>\n<li><span data-contrast=\"auto\">Very low\u00a0LRV paint finishes (blacks, anthracites and very dark greys, greens)<\/span><span data-ccp-props=\"{}\">\u00a0<\/span><\/li>\n<li data-leveltext=\"\uf0b7\" data-font=\"Symbol\" data-listid=\"3\" data-list-defn-props=\"{&quot;335552541&quot;:1,&quot;335559685&quot;:720,&quot;335559991&quot;:360,&quot;469769226&quot;:&quot;Symbol&quot;,&quot;469769242&quot;:[8226],&quot;469777803&quot;:&quot;left&quot;,&quot;469777804&quot;:&quot;\uf0b7&quot;,&quot;469777815&quot;:&quot;multilevel&quot;}\" data-aria-posinset=\"2\" data-aria-level=\"1\"><span data-contrast=\"auto\">South-facing elevations<\/span><span data-ccp-props=\"{}\">\u00a0<\/span><\/li>\n<li data-leveltext=\"\uf0b7\" data-font=\"Symbol\" data-listid=\"3\" data-list-defn-props=\"{&quot;335552541&quot;:1,&quot;335559685&quot;:720,&quot;335559991&quot;:360,&quot;469769226&quot;:&quot;Symbol&quot;,&quot;469769242&quot;:[8226],&quot;469777803&quot;:&quot;left&quot;,&quot;469777804&quot;:&quot;\uf0b7&quot;,&quot;469777815&quot;:&quot;multilevel&quot;}\" data-aria-posinset=\"2\" data-aria-level=\"1\"><span data-contrast=\"auto\">Beads that have not been sufficiently fixed or restrained<\/span><span data-ccp-props=\"{}\">\u00a0<\/span><\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<p><span data-contrast=\"auto\">If any of these<\/span><span data-contrast=\"auto\">\u00a0factors can be\u00a0improved upon, the risk\u00a0of issues with\u00a0Qwood\u00a0are\u00a0significantly\u00a0reduced.<\/span><span data-ccp-props=\"{&quot;134233117&quot;:false,&quot;134233118&quot;:false,&quot;201341983&quot;:0,&quot;335551550&quot;:1,&quot;335551620&quot;:1,&quot;335559685&quot;:0,&quot;335559737&quot;:0,&quot;335559738&quot;:0,&quot;335559739&quot;:160,&quot;335559740&quot;:278}\">\u00a0<\/span><\/p>\n<p><span data-contrast=\"auto\">Extreme, localised temperatures can affect the dimensional stability of any exterior\u00a0joinery. While Qwood\u00a0remains\u00a0highly stable, performance in demanding conditions is improved further when the bead is correctly installed and securely restrained.<\/span><span data-ccp-props=\"{}\">\u00a0<\/span><\/p>\n<p><span data-contrast=\"auto\">The more securely the bead is fixed, the better it will perform when exposed to extreme environmental\u00a0temperature changes.<\/span><span data-ccp-props=\"{}\">\u00a0<\/span><\/p>\n<p><b><span data-contrast=\"auto\">Best practice recommendations for dark-coloured Qwood<\/span><\/b><span data-ccp-props=\"{}\">\u00a0<\/span><\/p>\n<p><span data-contrast=\"auto\">For dark colours with an LRV below\u00a015<\/span><b><span data-contrast=\"none\">,<\/span><\/b><span data-contrast=\"auto\">\u00a0we recommend the following installation guidance:<\/span><span data-ccp-props=\"{}\">\u00a0<\/span><\/p>\n<ol>\n<li><b><span data-contrast=\"auto\"> Securely fix beads at key points<\/span><\/b><\/li>\n<\/ol>\n<p><span data-contrast=\"auto\">Ensure beads are adequately fixed, particularly at:<\/span><span data-ccp-props=\"{}\">\u00a0<\/span><\/p>\n<ul>\n<li><span data-contrast=\"auto\">Rail junctions<\/span><span data-ccp-props=\"{}\">\u00a0<\/span><\/li>\n<li><span data-contrast=\"auto\">Mitre joints<\/span><span data-ccp-props=\"{}\">\u00a0<\/span><\/li>\n<li><span data-contrast=\"auto\">Corners and vulnerable areas<\/span><span data-ccp-props=\"{}\">\u00a0<\/span><\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<p><span data-contrast=\"auto\">Additional\u00a0restraint helps minimise any potential movement caused by thermal expansion.<\/span><span data-ccp-props=\"{}\">\u00a0<\/span><\/p>\n<ol start=\"2\">\n<li><b><span data-contrast=\"auto\"> Use full lengthsof clipswherever possible<\/span><\/b><span data-ccp-props=\"{}\">\u00a0<\/span><\/li>\n<\/ol>\n<p><span data-contrast=\"auto\">Use full lengths\u00a0of clips for\u00a0of clip-on drip beads and glazing beads.\u00a0The more the bead is held, the less risk there is of movement.\u00a0<\/span><span data-ccp-props=\"{}\">\u00a0<\/span><\/p>\n<ol start=\"3\">\n<li><b><span data-contrast=\"auto\"> Use a white primer beneath darktop coats<\/span><\/b><\/li>\n<\/ol>\n<p><span data-contrast=\"auto\">A white primer coat beneath dark finishes can help reduce heat absorption.<\/span><span data-ccp-props=\"{}\">\u00a0<\/span><\/p>\n<p><span data-contrast=\"auto\">The lighter base layer reflects more solar energy, helping to reduce peak temperatures and minimise thermal stress within the finished\u00a0joinery.\u00a0<\/span><span data-ccp-props=\"{}\">\u00a0<\/span><\/p>\n<ol start=\"4\">\n<li><b><span data-contrast=\"auto\">Do not usetranslucent sealers and lacquers<\/span><\/b><span data-ccp-props=\"{}\">\u00a0<\/span><\/li>\n<\/ol>\n<p><span data-contrast=\"auto\">Translucent coatings and lacquer finishes should not be used on Qwood.<\/span><span data-ccp-props=\"{}\">\u00a0<\/span><\/p>\n<p><span data-contrast=\"auto\">Always follow the recommended finishing guidance to ensure\u00a0optimum\u00a0performance.<\/span><span data-ccp-props=\"{}\">\u00a0<\/span><\/p>\n<p><b><span data-contrast=\"auto\">Tested finishes and technical support<\/span><\/b><span data-ccp-props=\"{}\">\u00a0<\/span><\/p>\n<p><span data-contrast=\"auto\">Qwood has been tested with finishes from leading paint manufacturers, and we have nine available test reports covering different coating systems.<\/span><span data-ccp-props=\"{}\">\u00a0<\/span><\/p>\n<p><span data-contrast=\"auto\">These documents are available to download from the Qwood website, providing manufacturers and joiners with confidence when specifying and finishing Qwood products.<\/span><span data-ccp-props=\"{}\">\u00a0<\/span><\/p>\n<p><b><span data-contrast=\"auto\">The Qwood difference<\/span><\/b><span data-ccp-props=\"{}\">\u00a0<\/span><\/p>\n<p><span data-contrast=\"auto\">Dark colours are a design choice that requires consideration on any external building material.<\/span><span data-ccp-props=\"{}\">\u00a0<\/span><\/p>\n<p><span data-contrast=\"auto\">The key is understanding how colour, exposure and installation methods work together.<\/span><span data-ccp-props=\"{}\">\u00a0<\/span><\/p>\n<p><span data-contrast=\"auto\">Qwood provides significant advantages over traditional timber\u00a0beading\u00a0through its enhanced stability,\u00a0consistency\u00a0and ease of installation. By following simple best practice recommendations, manufacturers and joiners can confidently use dark-coloured finishes while achieving a high-quality, long-lasting installation.<\/span><span data-ccp-props=\"{}\">\u00a0<\/span><\/p>\n<p><span data-contrast=\"auto\">For technical guidance, product\u00a0information\u00a0or finishing recommendations, please contact the Qwood team.<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Qwood and\u00a0Dark Colours: Understanding Thermal Performance\u00a0 Dark-coloured windows and doors have become increasingly popular, with [&hellip;]<\/p>\n","protected":false},"author":5,"featured_media":13873,"comment_status":"open","ping_status":"closed","template":"","tags":[],"blog-category":[],"class_list":["post-14099","blog_post","type-blog_post","status-publish","has-post-thumbnail","hentry"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.1 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Qwood and\u00a0Dark Colours - 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