{"id":35238,"date":"2026-09-14T16:26:39","date_gmt":"2026-09-14T14:26:39","guid":{"rendered":"https:\/\/www.kryptonchemical.com\/bridge-waterproofing-long-lasting-protection-for-high-performance-infrastructure\/"},"modified":"2026-09-16T09:15:29","modified_gmt":"2026-09-16T07:15:29","slug":"bridge-waterproofing-long-lasting-protection-for-high-performance-infrastructure","status":"publish","type":"post","link":"https:\/\/www.kryptonchemical.com\/en\/bridge-waterproofing-long-lasting-protection-for-high-performance-infrastructure\/","title":{"rendered":"Bridge waterproofing: long-lasting protection for high-performance infrastructure"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">Bridges are continuously exposed to dynamic loads, structural movements and extreme environmental conditions. Constant exposure to water, de-icing salts, chemicals and thermal cycles can lead to the progressive deterioration of the bridge deck, compromising the long-term durability of the structure.<\/p>\n\n<p class=\"wp-block-paragraph\">An effective waterproofing system acts as the primary protective barrier against these aggressive agents, preventing water ingress that can cause reinforcement corrosion, concrete cracking and increased maintenance costs.<\/p>\n\n<h2 class=\"wp-block-heading\"><strong>Why choose a polyurea system?<\/strong><\/h2>\n\n<p class=\"wp-block-paragraph\">Spray-applied polyurea membranes represent a significant advancement over traditional preformed sheet membranes. By creating a seamless, fully bonded membrane, they eliminate the weak points where water infiltration typically occurs.<\/p>\n\n<p class=\"wp-block-paragraph\">Their key benefits include:<\/p>\n\n<ul class=\"wp-block-list\">\n<li>Seamless waterproofing with no joints.<\/li>\n\n\n\n<li>Outstanding mechanical and chemical resistance.<\/li>\n\n\n\n<li>High elasticity and excellent crack-bridging capability.<\/li>\n\n\n\n<li>Extremely fast curing.<\/li>\n\n\n\n<li>Excellent resistance to hot asphalt application.<\/li>\n\n\n\n<li>Enhanced durability and reduced maintenance requirements.<\/li>\n<\/ul>\n\n<h2 class=\"wp-block-heading\"><strong>Rayston Proof PUA H BRIDGE: a complete system for bridge deck waterproofing<\/strong><\/h2>\n\n<p class=\"wp-block-paragraph\">Krypton Chemical has developed <strong>Rayston Proof PUA H BRIDGE<\/strong>, a complete system specifically designed for the waterproofing of bridges and viaducts.<\/p>\n\n<figure class=\"wp-block-image size-full is-resized\"><img fetchpriority=\"high\" decoding=\"async\" width=\"766\" height=\"620\" src=\"https:\/\/www.kryptonchemical.com\/wp-content\/uploads\/2026\/09\/rayston.png\" alt=\"\" class=\"wp-image-35190\" style=\"aspect-ratio:1.2388059701492538;width:249px;height:auto\" srcset=\"https:\/\/www.kryptonchemical.com\/wp-content\/uploads\/2026\/09\/rayston.png 766w, https:\/\/www.kryptonchemical.com\/wp-content\/uploads\/2026\/09\/rayston-300x243.png 300w, https:\/\/www.kryptonchemical.com\/wp-content\/uploads\/2026\/09\/rayston-345x279.png 345w, https:\/\/www.kryptonchemical.com\/wp-content\/uploads\/2026\/09\/rayston-614x497.png 614w, https:\/\/www.kryptonchemical.com\/wp-content\/uploads\/2026\/09\/rayston-643x520.png 643w, https:\/\/www.kryptonchemical.com\/wp-content\/uploads\/2026\/09\/rayston-640x518-1.png 640w, https:\/\/www.kryptonchemical.com\/wp-content\/uploads\/2026\/09\/rayston-479x388-1.png 479w, https:\/\/www.kryptonchemical.com\/wp-content\/uploads\/2026\/09\/rayston-383x310.png 383w, https:\/\/www.kryptonchemical.com\/wp-content\/uploads\/2026\/09\/rayston-320x259.png 320w, https:\/\/www.kryptonchemical.com\/wp-content\/uploads\/2026\/09\/rayston-714x578.png 714w, https:\/\/www.kryptonchemical.com\/wp-content\/uploads\/2026\/09\/rayston-711x575.png 711w, https:\/\/www.kryptonchemical.com\/wp-content\/uploads\/2026\/09\/rayston-593x480.png 593w, https:\/\/www.kryptonchemical.com\/wp-content\/uploads\/2026\/09\/rayston-591x478.png 591w, https:\/\/www.kryptonchemical.com\/wp-content\/uploads\/2026\/09\/rayston-443x359.png 443w, https:\/\/www.kryptonchemical.com\/wp-content\/uploads\/2026\/09\/rayston-354x287.png 354w, https:\/\/www.kryptonchemical.com\/wp-content\/uploads\/2026\/09\/rayston-295x239.png 295w\" sizes=\"(max-width: 766px) 100vw, 766px\" \/><\/figure>\n\n<p class=\"wp-block-paragraph\">The system consists of:<\/p>\n\n<ul class=\"wp-block-list\">\n<li><strong>Rayston Epoxy 100,<\/strong> a high-adhesion epoxy primer.<\/li>\n\n\n\n<li><strong>Impermax Polyurea H Flex<\/strong>, a hot spray-applied polyurea membrane that forms the core of the waterproofing system.<\/li>\n\n\n\n<li><strong>Porosity Sealer Flex<\/strong>, a sealing and bonding coat designed to ensure optimum adhesion of the subsequent asphalt layer.<\/li>\n<\/ul>\n\n<p class=\"wp-block-paragraph\">The compatibility of all system components ensures a continuous, durable waterproofing solution capable of meeting the demanding requirements of modern transport infrastructure.<\/p>\n\n<h2 class=\"wp-block-heading\"><strong>Impermax Polyurea H Flex: the key component of the system<\/strong><\/h2>\n\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/www.kryptonchemical.com\/en\/product\/impermax-polyurea-h-flex\/\" data-type=\"link\" data-id=\"https:\/\/www.kryptonchemical.com\/producto\/impermax-polyurea-h-flex\/\"><strong>Impermax Polyurea H Flex<\/strong><\/a> is a hybrid polyurea membrane applied by hot-spray, which provides high-performance protection against water and aggressive agents.<\/p>\n\n<p class=\"wp-block-paragraph\">Its main features include:<\/p>\n\n<ul class=\"wp-block-list\">\n<li>Seamless membrane with no joints.<\/li>\n\n\n\n<li>Excellent adhesion to the substrate.<\/li>\n\n\n\n<li>High elasticity.<\/li>\n\n\n\n<li>Outstanding mechanical and chemical resistance.<\/li>\n\n\n\n<li>Resistance to temperatures of up to 250\u00b0C during hot asphalt application.<\/li>\n\n\n\n<li>Cure time of just a few seconds, significantly reducing installation time.<\/li>\n<\/ul>\n\n<p class=\"wp-block-paragraph\">In addition, the system holds a European Technical Assessment (ETA) and CE marking for bridge deck waterproofing, confirming its suitability for this type of infrastructure application.<\/p>\n\n<figure class=\"wp-block-image size-full is-resized\"><img decoding=\"async\" width=\"122\" height=\"88\" src=\"https:\/\/www.kryptonchemical.com\/wp-content\/uploads\/2026\/09\/Imagen-1.gif\" alt=\"\" class=\"wp-image-35194\" style=\"aspect-ratio:1.3953488372093024;width:60px;height:auto\"\/><\/figure>\n\n<p class=\"wp-block-paragraph\"><strong>Successful project: Grand Faw Port (Iraq)<\/strong><\/p>\n\n<p class=\"wp-block-paragraph\">The performance of the system was demonstrated during the waterproofing of the access bridge to Grand Faw Port, one of the largest port infrastructure developments in the Middle East.<\/p>\n\n<p class=\"wp-block-paragraph\">A total of 25,000 m\u00b2 of bridge deck was waterproofed using the Rayston Proof PUA H BRIDGE system, comprising Rayston Epoxy 100, Impermax Polyurea H Flex and Porosity Sealer Flex. The result was a seamless, high-performance waterproofing membrane capable of withstanding the demanding service conditions of this major infrastructure project.<\/p>\n\n<h2 class=\"wp-block-heading\"><strong>Solutions for more durable infrastructure<\/strong><\/h2>\n\n<p class=\"wp-block-paragraph\">With Rayston Proof PUA H BRIDGE, Krypton Chemical offers a complete waterproofing solution for bridges and viaducts that combines rapid installation, maximum watertightness and outstanding mechanical and chemical resistance.<\/p>\n\n<p class=\"wp-block-paragraph\">The result is better protected infrastructure with an extended service life and reduced maintenance requirements, making it the ideal solution for both new construction and refurbishment projects.<\/p>\n\n<p class=\"wp-block-paragraph\"><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Bridges are continuously exposed to dynamic loads, structural movements and extreme environmental conditions. Constant exposure to water, de-icing salts, chemicals and thermal cycles can lead to the progressive deterioration of the bridge deck, compromising the long-term durability of the structure. An&#8230;<\/p>\n","protected":false},"author":1,"featured_media":35215,"comment_status":"open","ping_status":"closed","sticky":false,"template":"elementor_theme","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[132],"tags":[],"class_list":["post-35238","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.5 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Waterproofing of bridges<\/title>\n<meta name=\"description\" content=\"Impermeabilizaci\u00f3n de puentes: protecci\u00f3n duradera para infraestructuras de altas prestaciones. 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