{"id":119113,"date":"2026-03-18T11:35:35","date_gmt":"2026-03-18T11:35:35","guid":{"rendered":"https:\/\/winklerchimica.com\/?p=119113"},"modified":"2026-03-18T11:35:39","modified_gmt":"2026-03-18T11:35:39","slug":"how-to-waterproof-a-roof-in-cold-and-frozen-temperatures","status":"publish","type":"post","link":"https:\/\/winklerchimica.com\/en\/how-to-waterproof-a-roof-in-cold-and-frozen-temperatures\/","title":{"rendered":"HOW TO WATERPROOF A ROOF IN COLD AND FROZEN TEMPERATURES"},"content":{"rendered":"\n<p><strong>Waterproofing roofs in freezing weather: a cold solution<\/strong><\/p>\n\n\n\n<p>Index:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Problems <strong>waterproofing in cold weather<\/strong><\/li>\n\n\n\n<li>What about with <strong>temperatures close to 0\u00ba C<\/strong>?<\/li>\n\n\n\n<li>The solution: <strong>Winkler One, an innovative waterproofing liquid membrane applicable in cold weather<\/strong><\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Problems waterproofing in cold weather<\/strong><\/h3>\n\n\n\n<p>When <strong>waterproofing a flat roof<\/strong> and choosing the appropriate product, many factors need to be taken into account; the intended use of the roof, shape, size, slope, substrate condition and more.&nbsp;<\/p>\n\n\n\n<p>But even when all the above are set up correctly, there are two other factors that tend to be unpredictable and very hard to control. We are talking about <strong>humidity<\/strong> and water, and more precisely when it turns into <strong>ice<\/strong>.<\/p>\n\n\n\n<p>Many <strong>waterproofing membranes<\/strong>, even the most prestigious, need to be applied over a <strong>completely dry substrate<\/strong> or with a very low percentage of <strong>humidity<\/strong>.<\/p>\n\n\n\n<p>This is for two main reasons:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>The <strong>ice and humidity <\/strong>in the substrate work as a <strong>detaching agent<\/strong> creating a \u201cmeniscus\u201d between the <strong>waterproofing membrane<\/strong> and the substrate, preventing the product from correctly <strong>adhering to the substrate.<\/strong><\/li>\n\n\n\n<li>The <strong>water trapped in the substrate can\u2019t evaporate<\/strong>. It stays in the substrate creating <strong>molds <\/strong>and <strong>efflorescence<\/strong> that may appear on the ceiling of the floor below. Moreover, in case of reinforced structures, it may speed up the <strong>corrosion process of the reinforcing bars<\/strong>.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>What about with temperatures close to 0\u00ba C?<\/strong><\/h3>\n\n\n\n<p>When <strong>temperatures are low<\/strong>, what\u2019s mentioned above is still valid, but other factors need to be taken into consideration.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>The <strong>humidity will never evaporate<\/strong> if the temperature is very low. This means that in some areas it is impossible to <strong>waterproof a roof <\/strong>during certain periods of the year.<\/li>\n\n\n\n<li>Commonly used <strong>water-based waterproofing liquid membranes<\/strong>, reduce their workability or even <strong>risk freezing<\/strong>.<\/li>\n\n\n\n<li>Widely used <strong>bitumen membranes can\u2019t be applied<\/strong> <strong>with low temperatures<\/strong>, as their <strong>elasticity is highly reduced<\/strong>.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>The solution: Winkler One, an innovative waterproofing liquid membrane applicable in cold weather<\/strong><\/h3>\n\n\n\n<p>So, how to <strong>waterproof a flat roof in cold and frozen temperatures<\/strong>? Among the many <strong>waterproofing liquid membranes<\/strong> currently available on the market, <strong>Winkler One<\/strong> has unique features that make it the perfect solution for most kinds of <strong>extreme conditions<\/strong>.<\/p>\n\n\n\n<p><strong>Winkler One<\/strong> consists of a mix of <strong>100% hybrid resins<\/strong>, giving the product some outstanding features such as:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>High adaptability<\/strong> <strong>to humid or even wet surfaces<\/strong><\/li>\n\n\n\n<li><strong>High workability<\/strong> <strong>even at<\/strong> <strong>0\u00b0C (32F)<\/strong><\/li>\n\n\n\n<li><strong>High breathability<\/strong>, this means that the humidity in the substrate can evaporate even after the product has cured<\/li>\n<\/ul>\n\n\n\n<p>Watch this real case of an application under very extreme conditions:<\/p>\n\n\n\n<p><strong>Winkler ONE<\/strong> has been applied in the morning at <strong>0\u00b0C<\/strong> with expected snow for the late afternoon. The application has been made on a portion of the balcony and the adhesion checked 24 and 48 hours after application. In both cases, with a lot of snow, the adhesion was 100%.<\/p>\n\n\n\n<p>Another check on the adhesion of <strong>Winkler One<\/strong> has been made after three months, checking conditions under a thick layer of ice.<\/p>\n\n\n\n<figure class=\"wp-block-gallery has-nested-images columns-default is-cropped wp-block-gallery-1 is-layout-flex wp-block-gallery-is-layout-flex\">\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" width=\"1020\" height=\"630\" data-id=\"119118\" src=\"https:\/\/winklerchimica.com\/wp-content\/uploads\/2026\/03\/waterproofing-with-frozen-conditions_Dimensioni_personalizzate_1020x630.webp\" alt=\"\" class=\"wp-image-119118\" srcset=\"https:\/\/winklerchimica.com\/wp-content\/uploads\/2026\/03\/waterproofing-with-frozen-conditions_Dimensioni_personalizzate_1020x630.webp 1020w, https:\/\/winklerchimica.com\/wp-content\/uploads\/2026\/03\/waterproofing-with-frozen-conditions_Dimensioni_personalizzate_1020x630-980x605.webp 980w, https:\/\/winklerchimica.com\/wp-content\/uploads\/2026\/03\/waterproofing-with-frozen-conditions_Dimensioni_personalizzate_1020x630-480x296.webp 480w\" sizes=\"(min-width: 0px) and (max-width: 480px) 480px, (min-width: 481px) and (max-width: 980px) 980px, (min-width: 981px) 1020px, 100vw\" \/><\/figure>\n<\/figure>\n\n\n\n<h2 class=\"wp-block-heading\"><p><b>FAQ \u2013 Frequently Asked Questions<\/b><\/p><\/h2>\n\n\n\n<h4 class=\"wp-block-heading\"><p><b>Why is waterproofing in freezing weather risky?<\/b><\/p><\/h4>\n\n\n\n<p>Ice and humidity act as detaching agents, creating a &#8220;meniscus&#8221; that prevents membranes from adhering. Additionally, trapped water cannot evaporate, leading to mold, efflorescence, and corrosion of reinforcing bars.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\"><p><b><strong><strong>What happens to standard membranes at 0\u00b0C (32\u00b0F)?<\/strong><\/strong><\/b><\/p><\/h4>\n\n\n\n<p>Water-based liquid membranes lose workability or freeze, while traditional bitumen membranes lose their elasticity, making them nearly impossible to apply correctly in cold temperatures.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\"><p>Can Winkler One withstand immediate snowfall?<\/p><\/h4>\n\n\n\n<p>Yes. Real-world tests show that when applied at 0\u00b0C just hours before a snowfall, the product maintains <strong>100% adhesion<\/strong>, even after remaining under a thick layer of ice for three months.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\"><p><b>What makes Winkler One the ideal solution for cold climates?<\/b><\/p><\/h4>\n\n\n\n<p>It is made of <strong>100% hybrid resins<\/strong>, which ensure high workability at <strong>0\u00b0C (32\u00b0F)<\/strong>, excellent adhesion even on wet surfaces, and high breathability so trapped moisture can still evaporate after curing.<\/p>\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>When waterproofing a flat roof and choosing the appropriate product, many factors need to be taken into account; the intended use of the roof, shape, size, slope, substrate condition and more.\u00a0<\/p>\n<p>But even when all the above are set up correctly, there are two other factors that tend to be unpredictable and very hard to control. We are talking about humidity and water, and more precisely when it turns into ice.<\/p>\n<p>Many waterproofing membranes, even the most prestigious, need to be applied over a completely dry substrate or with a very low percentage of humidity.<\/p>\n","protected":false},"author":2,"featured_media":119118,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_et_pb_use_builder":"off","_et_pb_old_content":"","_et_gb_content_width":"","footnotes":""},"categories":[1],"tags":[],"class_list":["post-119113","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-senza-categoria"],"_links":{"self":[{"href":"https:\/\/winklerchimica.com\/en\/wp-json\/wp\/v2\/posts\/119113","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/winklerchimica.com\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/winklerchimica.com\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/winklerchimica.com\/en\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/winklerchimica.com\/en\/wp-json\/wp\/v2\/comments?post=119113"}],"version-history":[{"count":1,"href":"https:\/\/winklerchimica.com\/en\/wp-json\/wp\/v2\/posts\/119113\/revisions"}],"predecessor-version":[{"id":119119,"href":"https:\/\/winklerchimica.com\/en\/wp-json\/wp\/v2\/posts\/119113\/revisions\/119119"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/winklerchimica.com\/en\/wp-json\/wp\/v2\/media\/119118"}],"wp:attachment":[{"href":"https:\/\/winklerchimica.com\/en\/wp-json\/wp\/v2\/media?parent=119113"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/winklerchimica.com\/en\/wp-json\/wp\/v2\/categories?post=119113"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/winklerchimica.com\/en\/wp-json\/wp\/v2\/tags?post=119113"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}