{"id":5474,"date":"2026-04-17T05:33:59","date_gmt":"2026-04-17T05:33:59","guid":{"rendered":"https:\/\/www.tengyusealant.com\/?p=5474"},"modified":"2026-04-17T05:40:40","modified_gmt":"2026-04-17T05:40:40","slug":"polyurethane-waterproofing-coating-for-infrastructure-underground-structures","status":"publish","type":"post","link":"https:\/\/www.tengyusealant.com\/ru\/polyurethane-waterproofing-coating-for-infrastructure-underground-structures\/","title":{"rendered":"Polyurethane Waterproofing Coating for Infrastructure &#038; Underground Structures"},"content":{"rendered":"<div>Waterproofing plays a critical role in tunnels, bridges, and underground structures exposed to moisture and hydrostatic pressure.<br \/>\nInadequate protection can lead to water ingress, structural deterioration, and increased long-term maintenance costs.<\/div>\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_89 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">\u041e\u0433\u043b\u0430\u0432\u043b\u0435\u043d\u0438\u0435<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle \u0422\u0430\u0431\u043b\u0438\u0446\u0430 \u0441\u043e\u0434\u0435\u0440\u0436\u0430\u043d\u0438\u044f\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewbox=\"0 0 24 24\" version=\"1.2\" baseprofile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/www.tengyusealant.com\/ru\/polyurethane-waterproofing-coating-for-infrastructure-underground-structures\/#Waterproofing_Solutions_for_Tunnels_Bridges_and_Underground_Projects\" >Waterproofing Solutions for Tunnels, Bridges, and Underground Projects<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/www.tengyusealant.com\/ru\/polyurethane-waterproofing-coating-for-infrastructure-underground-structures\/#No_Exposed_Polyurethane_Waterproofing_Coating_TW331\" >No Exposed Polyurethane Waterproofing Coating (TW331)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/www.tengyusealant.com\/ru\/polyurethane-waterproofing-coating-for-infrastructure-underground-structures\/#_Water-Swellable_Polyurethane_Sealant\" >\u00a0Water-Swellable Polyurethane Sealant<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/www.tengyusealant.com\/ru\/polyurethane-waterproofing-coating-for-infrastructure-underground-structures\/#Infrastructure_Waterproofing_Solutions\" >Infrastructure Waterproofing Solutions<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/www.tengyusealant.com\/ru\/polyurethane-waterproofing-coating-for-infrastructure-underground-structures\/#Tunnel_Waterproofing_Systems\" >Tunnel Waterproofing Systems<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/www.tengyusealant.com\/ru\/polyurethane-waterproofing-coating-for-infrastructure-underground-structures\/#Bridge_Waterproofing_Systems\" >Bridge Waterproofing Systems<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/www.tengyusealant.com\/ru\/polyurethane-waterproofing-coating-for-infrastructure-underground-structures\/#Underground_Waterproofing_Systems\" >Underground Waterproofing Systems<\/a><\/li><\/ul><\/li><\/ul><\/nav><\/div>\n<h2><span class=\"ez-toc-section\" id=\"Waterproofing_Solutions_for_Tunnels_Bridges_and_Underground_Projects\"><\/span><span style=\"font-size: 90%;\">Waterproofing Solutions for Tunnels, Bridges, and Underground Projects<\/span><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<div>We supply waterproofing coatings and sealants for infrastructure projects, including tunnels, bridges, and underground structures. Our waterproofing solution includes polyurethane waterproofing coatings and water-swellable sealants.<\/div>\n<h3><span class=\"ez-toc-section\" id=\"No_Exposed_Polyurethane_Waterproofing_Coating_TW331\"><\/span><span style=\"font-size: 100%;\">No Exposed Polyurethane Waterproofing Coating (TW331)<\/span><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<div>TW331 is a high-solids, <a href=\"https:\/\/www.tengyusealant.com\/ru\/manufacturer\/non-exposed-polyurethane-waterproof-coating-for-roof\/\">oil-based polyurethane waterproofing coating<\/a> designed for concealed applications. Upon curing, it forms a continuous, seamless, and high-strength waterproofing membrane.<\/div>\n<div><strong>Performance Advantages:<\/strong><\/div>\n<ul>\n<li>Excellent Elongation: Possesses superior tensile and tear strength, offering exceptional resistance to cracking and structural movement.<\/li>\n<li>High Bond Strength: Primerless adhesion to concrete and common substrates<\/li>\n<li>High Solids Content &amp; Low Shrinkage: Forms a thick, robust film with outstanding resistance to aging and water exposure.<\/li>\n<li>Customizable Colors: Available in custom colors to meet specific on-site identification and construction management requirements.<\/li>\n<\/ul>\n<div><strong>Typical Applications<\/strong><\/div>\n<ul>\n<li>Structural waterproofing for bridge decks.<\/li>\n<li>Waterproofing for tunnel linings, basement floor slabs, and retaining walls.<\/li>\n<li>Waterproofing systems for concealed roofing structures.<\/li>\n<\/ul>\n<figure id=\"attachment_4892\" aria-describedby=\"caption-attachment-4892\" style=\"width: 300px\" class=\"wp-caption alignnone\"><a href=\"https:\/\/www.tengyusealant.com\/ru\/manufacturer\/non-exposed-polyurethane-waterproof-coating-for-roof\/\"><img decoding=\"async\" src=\"data:image\/gif;base64,R0lGODlhAQABAIAAAAAAAP\/\/\/yH5BAEAAAAALAAAAAABAAEAAAIBRAA7\" data-src=\"https:\/\/www.tengyusealant.com\/wp-content\/uploads\/2026\/01\/basement-waterproof-coating-300x300.webp\" class=\"size-medium wp-image-4892 lazyload\" alt=\"basement waterproof coating\" width=\"300\" height=\"300\"><figcaption id=\"caption-attachment-4892\" class=\"wp-caption-text\"><noscript><img decoding=\"async\" class=\"size-medium wp-image-4892\" src=\"https:\/\/www.tengyusealant.com\/wp-content\/uploads\/2026\/01\/basement-waterproof-coating-300x300.webp\" alt=\"basement waterproof coating\" width=\"300\" height=\"300\" srcset=\"https:\/\/www.tengyusealant.com\/wp-content\/uploads\/2026\/01\/basement-waterproof-coating-300x300.webp 300w, https:\/\/www.tengyusealant.com\/wp-content\/uploads\/2026\/01\/basement-waterproof-coating-150x150.webp 150w, https:\/\/www.tengyusealant.com\/wp-content\/uploads\/2026\/01\/basement-waterproof-coating-12x12.webp 12w, https:\/\/www.tengyusealant.com\/wp-content\/uploads\/2026\/01\/basement-waterproof-coating-100x100.webp 100w, https:\/\/www.tengyusealant.com\/wp-content\/uploads\/2026\/01\/basement-waterproof-coating.webp 600w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/noscript><\/a> basement waterproof coating<\/figcaption><\/figure>\n<h3><span class=\"ez-toc-section\" id=\"_Water-Swellable_Polyurethane_Sealant\"><\/span><span style=\"font-size: 100%;\">\u00a0Water-Swellable Polyurethane Sealant<\/span><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<div>TP640-220\/400 <a href=\"https:\/\/www.tengyusealant.com\/ru\/manufacturer\/water-swelling-polyurethane-sealant\/\">water-swellable polyurethane sealant<\/a> is designed for effective sealing in underground and water-exposed structures. It employs a dual-mechanism waterproofing system: providing both elastic rubber-like sealing and active water-blocking through expansion upon contact with water. Furthermore, it cures effectively even on damp substrates.<\/div>\n<div><strong>Performance Advantages:<\/strong><\/div>\n<ul>\n<li>Dual-Action Water Sealing for Enhanced Reliability: Combines elastic sealing with volumetric expansion to withstand water pressures of up to 2.5 MPa.<\/li>\n<li>High Expansion Performance: Two selectable expansion levels (220% \/ 400%); maintains an expansion retention rate of \u226590% even after prolonged immersion in water.<\/li>\n<li>Convenient Application: Single-component, ready-to-use formula; easily applied using a standard caulking gun; adheres firmly to both dry and wet substrates.<\/li>\n<li>High Strength &amp; High Elongation: Features high tensile strength and excellent elongation at break, allowing it to effectively accommodate structural movements and displacements.<\/li>\n<li>Eco-friendly &amp; Safe: Low VOC content and free of unbound TDI; suitable for use in environments involving contact with potable water.<\/li>\n<li>Competitive Cost: Delivers superior performance compared to traditional water-stopping sealants and waterstops, resulting in lower overall project costs.<\/li>\n<\/ul>\n<div><strong>Typical Applications<\/strong><\/div>\n<ul>\n<li>Railway and highway tunnels, urban subway systems, and underground utility corridors.<\/li>\n<li>Waterproofing of concrete construction joints in basements, sewage treatment tanks, and similar structures.<\/li>\n<li>Sealing and waterproofing around embedded pipes, wall-penetrating rebar, pile heads, and steel structural components.<\/li>\n<\/ul>\n<p><a href=\"https:\/\/www.tengyusealant.com\/ru\/manufacturer\/water-swelling-polyurethane-sealant\/\"><img decoding=\"async\" src=\"data:image\/gif;base64,R0lGODlhAQABAIAAAAAAAP\/\/\/yH5BAEAAAAALAAAAAABAAEAAAIBRAA7\" data-src=\"https:\/\/www.tengyusealant.com\/wp-content\/uploads\/2024\/09\/640-3-300x300.webp\" class=\"alignnone size-medium wp-image-2455 lazyload\" alt=\"water swelling sealant\" width=\"300\" height=\"300\"><noscript><img decoding=\"async\" class=\"alignnone size-medium wp-image-2455\" src=\"https:\/\/www.tengyusealant.com\/wp-content\/uploads\/2024\/09\/640-3-300x300.webp\" alt=\"water swelling sealant\" width=\"300\" height=\"300\" srcset=\"https:\/\/www.tengyusealant.com\/wp-content\/uploads\/2024\/09\/640-3-300x300.webp 300w, https:\/\/www.tengyusealant.com\/wp-content\/uploads\/2024\/09\/640-3-150x150.webp 150w, https:\/\/www.tengyusealant.com\/wp-content\/uploads\/2024\/09\/640-3-768x768.webp 768w, https:\/\/www.tengyusealant.com\/wp-content\/uploads\/2024\/09\/640-3-12x12.webp 12w, https:\/\/www.tengyusealant.com\/wp-content\/uploads\/2024\/09\/640-3-600x600.webp 600w, https:\/\/www.tengyusealant.com\/wp-content\/uploads\/2024\/09\/640-3-100x100.webp 100w, https:\/\/www.tengyusealant.com\/wp-content\/uploads\/2024\/09\/640-3.webp 1000w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/noscript><\/a><\/p>\n<h2><span class=\"ez-toc-section\" id=\"Infrastructure_Waterproofing_Solutions\"><\/span><span style=\"font-size: 90%;\">Infrastructure Waterproofing Solutions<\/span><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3><span class=\"ez-toc-section\" id=\"Tunnel_Waterproofing_Systems\"><\/span><span style=\"font-size: 100%;\">Tunnel Waterproofing Systems<\/span><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ul>\n<li>Structural Waterproofing: <a href=\"https:\/\/www.tengyusealant.com\/ru\/exposed-vs-non-exposed-roofs-how-to-choose-roof-waterproof-coatings\/\">Non-exposed polyurethane waterproofing coatings<\/a> form a seamless, highly elastic membrane that resists water pressure and prevents leakage.<\/li>\n<li>Joint Sealing: Designed for construction joints, segment joints, and pipe penetrations, the water-expandable polyurethane sealant expands when exposed to water to block leakage at the source.<\/li>\n<\/ul>\n<h3><span class=\"ez-toc-section\" id=\"Bridge_Waterproofing_Systems\"><\/span><span style=\"font-size: 100%;\">Bridge Waterproofing Systems<\/span><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ul>\n<li>Bridge Deck Waterproofing: Non-exposed polyurethane waterproofing coatings deliver high strength, flexibility, and corrosion resistance, protecting concrete decks and steel reinforcement from water damage.<\/li>\n<li>Expansion\/Construction Joint Sealing: Water-expandable polyurethane sealants accommodate structural movement while preventing rainwater infiltration, reducing the risk of corrosion and leakage.<\/li>\n<\/ul>\n<h3><span class=\"ez-toc-section\" id=\"Underground_Waterproofing_Systems\"><\/span><span style=\"font-size: 100%;\">Underground Waterproofing Systems<\/span><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ul>\n<li>Base Slab \/ Side Wall Primary Waterproofing: Non-exposed polyurethane waterproofing coating\u2014featuring high solids content, strong adhesion, resistance to water pressure, and crack-free performance.<\/li>\n<li>Construction Joints and Wall Penetration Points: Expands on water contact to form a long-lasting barrier that resists continuous water exposure and prevents leakage.<\/li>\n<\/ul>\n<div>Are you a builder, contractor, or developer seeking high-quality waterproofing materials for your construction projects? We offer comprehensive, large-scale waterproofing solutions.<\/div>\n<div>We provide bulk inventory supply, project-specific customization, and technical support services. Request bulk pricing and customized waterproofing solutions.<\/div>\n\t<div id=\"gap-900431224\" class=\"gap-element clearfix\" style=\"display:block; height:auto;\">\n\t\t\n<style>\n#gap-900431224 {\n  padding-top: 30px;\n}\n<\/style>\n\t<\/div>\n\t\n\n<div class=\"wpcf7 no-js\" id=\"wpcf7-f280-o1\" lang=\"en-US\" dir=\"ltr\" data-wpcf7-id=\"280\">\n<div class=\"screen-reader-response\"><p role=\"status\" aria-live=\"polite\" aria-atomic=\"true\"><\/p> <ul><\/ul><\/div>\n<form action=\"\/ru\/wp-json\/wp\/v2\/posts\/5474#wpcf7-f280-o1\" method=\"post\" class=\"wpcf7-form init\" aria-label=\"\u041a\u043e\u043d\u0442\u0430\u043a\u0442\u043d\u0430\u044f \u0444\u043e\u0440\u043c\u0430\" novalidate=\"novalidate\" data-status=\"init\" data-trp-original-action=\"\/ru\/wp-json\/wp\/v2\/posts\/5474#wpcf7-f280-o1\">\n<fieldset class=\"hidden-fields-container\"><input type=\"hidden\" name=\"_wpcf7\" value=\"280\" \/><input type=\"hidden\" name=\"_wpcf7_version\" value=\"6.1.7\" \/><input type=\"hidden\" name=\"_wpcf7_locale\" value=\"en_US\" \/><input type=\"hidden\" name=\"_wpcf7_unit_tag\" value=\"wpcf7-f280-o1\" \/><input type=\"hidden\" name=\"_wpcf7_container_post\" value=\"0\" \/><input type=\"hidden\" name=\"_wpcf7_posted_data_hash\" value=\"\" \/>\n<\/fieldset>\n<div class='custom_contact_style'>\n\t<div class=\"row row-small\">\n\t\t<div class=\"col medium-6 small-12 large-6\">\n\t\t\t<div class=\"col-inner\">\n\t\t\t\t<p><span class=\"wpcf7-form-control-wrap\" data-name=\"your-name\"><input size=\"40\" maxlength=\"400\" class=\"wpcf7-form-control wpcf7-text wpcf7-validates-as-required\" aria-required=\"true\" aria-invalid=\"false\" placeholder=\"\u0418\u043c\u044f*\" value=\"\" type=\"text\" name=\"your-name\" \/><\/span>\n\t\t\t\t<\/p>\n\t\t\t<\/div>\n\t\t<\/div>\n\t\t<div class=\"col medium-6 small-12 large-6\">\n\t\t\t<div class=\"col-inner\">\n\t\t\t\t<p><span class=\"wpcf7-form-control-wrap\" data-name=\"your-email\"><input size=\"40\" maxlength=\"400\" class=\"wpcf7-form-control wpcf7-email wpcf7-validates-as-required wpcf7-text wpcf7-validates-as-email\" aria-required=\"true\" aria-invalid=\"false\" placeholder=\"\u042d\u043b\u0435\u043a\u0442\u0440\u043e\u043d\u043d\u0430\u044f \u043f\u043e\u0447\u0442\u0430*\" value=\"\" type=\"email\" name=\"your-email\" \/><\/span>\n\t\t\t\t<\/p>\n\t\t\t<\/div>\n\t\t<\/div>\n\t<\/div>\n\t<div class='cus_contact_form_bottom'>\n\t\t<p><span class=\"wpcf7-form-control-wrap\" data-name=\"your-phone\"><input size=\"40\" maxlength=\"400\" class=\"wpcf7-form-control wpcf7-text\" aria-invalid=\"false\" placeholder=\"\u0422\u0435\u043b\u0435\u0444\u043e\u043d\" value=\"\" type=\"text\" name=\"your-phone\" \/><\/span>\n\t\t<\/p>\n\t<\/div>\n\t<div class='cus_contact_form_bottom'>\n\t\t<p><span class=\"wpcf7-form-control-wrap\" data-name=\"your-country\"><input size=\"40\" maxlength=\"400\" class=\"wpcf7-form-control wpcf7-text\" aria-invalid=\"false\" placeholder=\"\u0421\u0442\u0440\u0430\u043d\u0430\" value=\"\" type=\"text\" name=\"your-country\" \/><\/span>\n\t\t<\/p>\n\t<\/div>\n\t<p><span class=\"wpcf7-form-control-wrap\" data-name=\"your-message\"><textarea cols=\"40\" rows=\"10\" maxlength=\"2000\" class=\"wpcf7-form-control wpcf7-textarea wpcf7-validates-as-required\" aria-required=\"true\" aria-invalid=\"false\" placeholder=\"\u0412\u0430\u0448\u0435 \u0441\u043e\u043e\u0431\u0449\u0435\u043d\u0438\u0435 *\" name=\"your-message\"><\/textarea><\/span>\n\t<\/p>\n\t<div style=\"margin-bottom:10px;\">\n\t\t<p><span class=\"wpcf7-form-control-wrap kc_captcha cf7ic-toggle\" data-name=\"kc_captcha\"><span class=\"wpcf7-form-control wpcf7-radio\"><span class=\"captcha-image\" style=\"display: none;\"><span class=\"cf7ic_instructions\">\u041f\u043e\u0436\u0430\u043b\u0443\u0439\u0441\u0442\u0430, \u0434\u043e\u043a\u0430\u0436\u0438\u0442\u0435, \u0447\u0442\u043e \u0412\u044b \u0447\u0435\u043b\u043e\u0432\u0435\u043a, \u0432\u044b\u0431\u0440\u0430\u0432<span> \u0447\u0430\u0448\u043a\u0430<\/span>.<\/span><label><input aria-label=\"1\" type=\"radio\" name=\"kc_captcha\" value=\"kc_human\" \/><svg aria-hidden=\"true\" role=\"img\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewbox=\"0 0 640 512\"><path fill=\"currentColor\" d=\"M192 384h192c53 0 96-43 96-96h32a128 128 0 000-256H120c-13 0-24 11-24 24v232c0 53 43 96 96 96zM512 96a64 64 0 010 128h-32V96h32zm48 384H48c-47 0-61-64-36-64h584c25 0 11 64-36 64z\"\/><\/svg><\/label><label><input aria-label=\"2\" type=\"radio\" name=\"kc_captcha\" value=\"bot\" \/><svg aria-hidden=\"true\" role=\"img\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewbox=\"0 0 640 512\"><path fill=\"currentColor\" d=\"M624 352h-16V244c0-13-5-25-14-34L494 110c-9-9-21-14-34-14h-44V48c0-26-21-48-48-48H48C22 0 0 22 0 48v320c0 27 22 48 48 48h16a96 96 0 00192 0h128a96 96 0 00192 0h48c9 0 16-7 16-16v-32c0-9-7-16-16-16zM160 464a48 48 0 110-96 48 48 0 010 96zm320 0a48 48 0 110-96 48 48 0 010 96zm80-208H416V144h44l100 100v12z\"\/><\/svg><\/label><label><input aria-label=\"3\" type=\"radio\" name=\"kc_captcha\" value=\"bot\" \/><svg aria-hidden=\"true\" role=\"img\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewbox=\"0 0 384 512\"><path fill=\"currentColor\" d=\"M377 375l-83-87h34c21 0 32-25 17-40l-82-88h33c21 0 32-25 18-40L210 8c-10-11-26-11-36 0L70 120c-14 15-3 40 18 40h33l-82 88c-15 15-4 40 17 40h34L7 375c-15 16-4 41 17 41h120c0 33-11 49-34 68-12 9-5 28 10 28h144c15 0 22-19 10-28-20-16-34-32-34-68h120c21 0 32-25 17-41z\"\/><\/svg><\/label>\r\n    <\/span>\r\n    <span style=\"display:none\">\r\n        <input type=\"text\" name=\"kc_honeypot\">\r\n    <\/span><\/span><\/span>\n\t\t<\/p>\n\t<\/div>\n\t<p><input class=\"wpcf7-form-control wpcf7-submit has-spinner\" type=\"submit\" value=\"\u041e\u0442\u043f\u0440\u0430\u0432\u0438\u0442\u044c \u0441\u043e\u043e\u0431\u0449\u0435\u043d\u0438\u0435\" \/>\n\t<\/p>\n<\/div>\n<p class='pimoxi'><span class=\"wpcf7-form-control-wrap\" data-name=\"pimoxi\"><input size=\"40\" maxlength=\"400\" class=\"wpcf7-form-control wpcf7-text\" aria-invalid=\"false\" value=\"\" type=\"text\" name=\"pimoxi\" \/><\/span>\n<\/p>\n<p class='botaze'><span class=\"wpcf7-form-control-wrap\" data-name=\"botaze\"><input size=\"40\" maxlength=\"400\" class=\"wpcf7-form-control wpcf7-text\" aria-invalid=\"false\" value=\"\" type=\"text\" name=\"botaze\" \/><\/span>\n<\/p>\n<p class='lokugi'><span class=\"wpcf7-form-control-wrap\" data-name=\"lokugi\"><input size=\"40\" maxlength=\"400\" class=\"wpcf7-form-control wpcf7-text\" aria-invalid=\"false\" value=\"\" type=\"text\" name=\"lokugi\" \/><\/span>\n<\/p><div class=\"wpcf7-response-output\" aria-hidden=\"true\"><\/div>\n<input type=\"hidden\" name=\"trp-form-language\" value=\"ru\"\/><\/form>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>Waterproofing plays a critical role in tunnels, bridges, and underground structures exposed to moisture and hydrostatic pressure. Inadequate protection can lead to water ingress, structural deterioration, and increased long-term maintenance costs. Waterproofing Solutions for Tunnels, Bridges, and Underground Projects We supply waterproofing coatings and sealants for infrastructure projects, including tunnels, bridges, and underground structures. Our[&#8230;..]\n","protected":false},"author":1,"featured_media":5223,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[135,134],"class_list":["post-5474","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","tag-no-exposed-polyurethane-waterproofing-coating","tag-water-swellable-polyurethane-sealant"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.8 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Polyurethane Waterproofing Coating Supplier for Tunnels &amp; Bridges<\/title>\n<meta name=\"description\" content=\"Polyurethane waterproofing coating for tunnels, bridges and underground structures. . Available for bulk supply and civil engineer project.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.tengyusealant.com\/ru\/polyurethane-waterproofing-coating-for-infrastructure-underground-structures\/\" \/>\n<meta property=\"og:locale\" content=\"ru_RU\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Polyurethane Waterproofing Coating Supplier for Tunnels &amp; Bridges\" \/>\n<meta property=\"og:description\" content=\"Polyurethane waterproofing coating for tunnels, bridges and underground structures. . Available for bulk supply and civil engineer project.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.tengyusealant.com\/ru\/polyurethane-waterproofing-coating-for-infrastructure-underground-structures\/\" \/>\n<meta property=\"og:site_name\" content=\"Tengyu sealant\" \/>\n<meta property=\"article:author\" content=\"https:\/\/www.facebook.com\/TengyuChemical\/\" \/>\n<meta property=\"article:published_time\" content=\"2026-04-17T05:33:59+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2026-04-17T05:40:40+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.tengyusealant.com\/wp-content\/uploads\/2026\/03\/roof-paint-waterproof-coating-wholesale\u200b.webp\" \/>\n\t<meta property=\"og:image:width\" content=\"309\" \/>\n\t<meta property=\"og:image:height\" content=\"309\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/webp\" \/>\n<meta name=\"author\" content=\"Tengyu Technical\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@https:\/\/twitter.com\/TengyuChemical\" \/>\n<meta name=\"twitter:label1\" content=\"\u041d\u0430\u043f\u0438\u0441\u0430\u043d\u043e \u0430\u0432\u0442\u043e\u0440\u043e\u043c\" \/>\n\t<meta name=\"twitter:data1\" content=\"Tengyu Technical\" \/>\n\t<meta name=\"twitter:label2\" content=\"\u041f\u0440\u0438\u043c\u0435\u0440\u043d\u043e\u0435 \u0432\u0440\u0435\u043c\u044f \u0434\u043b\u044f \u0447\u0442\u0435\u043d\u0438\u044f\" \/>\n\t<meta name=\"twitter:data2\" content=\"4 \u043c\u0438\u043d\u0443\u0442\u044b\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/www.tengyusealant.com\\\/polyurethane-waterproofing-coating-for-infrastructure-underground-structures\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.tengyusealant.com\\\/polyurethane-waterproofing-coating-for-infrastructure-underground-structures\\\/\"},\"author\":{\"name\":\"Tengyu Technical\",\"@id\":\"https:\\\/\\\/www.tengyusealant.com\\\/#\\\/schema\\\/person\\\/7ce710e47577b7507fa7e950f2e40d51\"},\"headline\":\"Polyurethane Waterproofing Coating for Infrastructure &#038; Underground Structures\",\"datePublished\":\"2026-04-17T05:33:59+00:00\",\"dateModified\":\"2026-04-17T05:40:40+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/www.tengyusealant.com\\\/polyurethane-waterproofing-coating-for-infrastructure-underground-structures\\\/\"},\"wordCount\":593,\"commentCount\":0,\"image\":{\"@id\":\"https:\\\/\\\/www.tengyusealant.com\\\/polyurethane-waterproofing-coating-for-infrastructure-underground-structures\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/www.tengyusealant.com\\\/wp-content\\\/uploads\\\/2026\\\/03\\\/roof-paint-waterproof-coating-wholesale\u200b.webp\",\"keywords\":[\"No Exposed Polyurethane Waterproofing Coating\",\"Water-Swellable Polyurethane Sealant\"],\"articleSection\":[\"Blog\"],\"inLanguage\":\"ru-RU\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\\\/\\\/www.tengyusealant.com\\\/polyurethane-waterproofing-coating-for-infrastructure-underground-structures\\\/#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/www.tengyusealant.com\\\/polyurethane-waterproofing-coating-for-infrastructure-underground-structures\\\/\",\"url\":\"https:\\\/\\\/www.tengyusealant.com\\\/polyurethane-waterproofing-coating-for-infrastructure-underground-structures\\\/\",\"name\":\"Polyurethane Waterproofing Coating Supplier for Tunnels & Bridges\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.tengyusealant.com\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/www.tengyusealant.com\\\/polyurethane-waterproofing-coating-for-infrastructure-underground-structures\\\/#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/www.tengyusealant.com\\\/polyurethane-waterproofing-coating-for-infrastructure-underground-structures\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/www.tengyusealant.com\\\/wp-content\\\/uploads\\\/2026\\\/03\\\/roof-paint-waterproof-coating-wholesale\u200b.webp\",\"datePublished\":\"2026-04-17T05:33:59+00:00\",\"dateModified\":\"2026-04-17T05:40:40+00:00\",\"author\":{\"@id\":\"https:\\\/\\\/www.tengyusealant.com\\\/#\\\/schema\\\/person\\\/7ce710e47577b7507fa7e950f2e40d51\"},\"description\":\"Polyurethane waterproofing coating for tunnels, bridges and underground structures. . Available for bulk supply and civil engineer project.\",\"breadcrumb\":{\"@id\":\"https:\\\/\\\/www.tengyusealant.com\\\/polyurethane-waterproofing-coating-for-infrastructure-underground-structures\\\/#breadcrumb\"},\"inLanguage\":\"ru-RU\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/www.tengyusealant.com\\\/polyurethane-waterproofing-coating-for-infrastructure-underground-structures\\\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"ru-RU\",\"@id\":\"https:\\\/\\\/www.tengyusealant.com\\\/polyurethane-waterproofing-coating-for-infrastructure-underground-structures\\\/#primaryimage\",\"url\":\"https:\\\/\\\/www.tengyusealant.com\\\/wp-content\\\/uploads\\\/2026\\\/03\\\/roof-paint-waterproof-coating-wholesale\u200b.webp\",\"contentUrl\":\"https:\\\/\\\/www.tengyusealant.com\\\/wp-content\\\/uploads\\\/2026\\\/03\\\/roof-paint-waterproof-coating-wholesale\u200b.webp\",\"width\":309,\"height\":309,\"caption\":\"roof paint waterproof coating wholesale\u200b\"},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/www.tengyusealant.com\\\/polyurethane-waterproofing-coating-for-infrastructure-underground-structures\\\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\\\/\\\/www.tengyusealant.com\\\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Polyurethane Waterproofing Coating for Infrastructure &#038; Underground Structures\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\\\/\\\/www.tengyusealant.com\\\/#website\",\"url\":\"https:\\\/\\\/www.tengyusealant.com\\\/\",\"name\":\"Tengyu sealant\",\"description\":\"sealant solution supplier\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\\\/\\\/www.tengyusealant.com\\\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"ru-RU\"},{\"@type\":\"Person\",\"@id\":\"https:\\\/\\\/www.tengyusealant.com\\\/#\\\/schema\\\/person\\\/7ce710e47577b7507fa7e950f2e40d51\",\"name\":\"Tengyu Technical\",\"sameAs\":[\"https:\\\/\\\/tengyusealant.com\",\"https:\\\/\\\/www.facebook.com\\\/TengyuChemical\\\/\",\"https:\\\/\\\/www.instagram.com\\\/tengyuchemical\\\/\",\"https:\\\/\\\/www.linkedin.com\\\/company\\\/tengyuchemcial\",\"https:\\\/\\\/www.pinterest.com\\\/TengyuChemical\\\/\",\"https:\\\/\\\/x.com\\\/https:\\\/\\\/twitter.com\\\/TengyuChemical\",\"https:\\\/\\\/www.youtube.com\\\/@tengyuchemical\"],\"url\":\"https:\\\/\\\/www.tengyusealant.com\\\/ru\\\/author\\\/admin\\\/\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Polyurethane Waterproofing Coating Supplier for Tunnels & Bridges","description":"Polyurethane waterproofing coating for tunnels, bridges and underground structures. . Available for bulk supply and civil engineer project.","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:\/\/www.tengyusealant.com\/ru\/polyurethane-waterproofing-coating-for-infrastructure-underground-structures\/","og_locale":"ru_RU","og_type":"article","og_title":"Polyurethane Waterproofing Coating Supplier for Tunnels & Bridges","og_description":"Polyurethane waterproofing coating for tunnels, bridges and underground structures. . Available for bulk supply and civil engineer project.","og_url":"https:\/\/www.tengyusealant.com\/ru\/polyurethane-waterproofing-coating-for-infrastructure-underground-structures\/","og_site_name":"Tengyu sealant","article_author":"https:\/\/www.facebook.com\/TengyuChemical\/","article_published_time":"2026-04-17T05:33:59+00:00","article_modified_time":"2026-04-17T05:40:40+00:00","og_image":[{"width":309,"height":309,"url":"https:\/\/www.tengyusealant.com\/wp-content\/uploads\/2026\/03\/roof-paint-waterproof-coating-wholesale\u200b.webp","type":"image\/webp"}],"author":"Tengyu Technical","twitter_card":"summary_large_image","twitter_creator":"@https:\/\/twitter.com\/TengyuChemical","twitter_misc":{"\u041d\u0430\u043f\u0438\u0441\u0430\u043d\u043e \u0430\u0432\u0442\u043e\u0440\u043e\u043c":"Tengyu Technical","\u041f\u0440\u0438\u043c\u0435\u0440\u043d\u043e\u0435 \u0432\u0440\u0435\u043c\u044f \u0434\u043b\u044f \u0447\u0442\u0435\u043d\u0438\u044f":"4 \u043c\u0438\u043d\u0443\u0442\u044b"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/www.tengyusealant.com\/polyurethane-waterproofing-coating-for-infrastructure-underground-structures\/#article","isPartOf":{"@id":"https:\/\/www.tengyusealant.com\/polyurethane-waterproofing-coating-for-infrastructure-underground-structures\/"},"author":{"name":"Tengyu Technical","@id":"https:\/\/www.tengyusealant.com\/#\/schema\/person\/7ce710e47577b7507fa7e950f2e40d51"},"headline":"Polyurethane Waterproofing Coating for Infrastructure &#038; Underground Structures","datePublished":"2026-04-17T05:33:59+00:00","dateModified":"2026-04-17T05:40:40+00:00","mainEntityOfPage":{"@id":"https:\/\/www.tengyusealant.com\/polyurethane-waterproofing-coating-for-infrastructure-underground-structures\/"},"wordCount":593,"commentCount":0,"image":{"@id":"https:\/\/www.tengyusealant.com\/polyurethane-waterproofing-coating-for-infrastructure-underground-structures\/#primaryimage"},"thumbnailUrl":"https:\/\/www.tengyusealant.com\/wp-content\/uploads\/2026\/03\/roof-paint-waterproof-coating-wholesale\u200b.webp","keywords":["No Exposed Polyurethane Waterproofing Coating","Water-Swellable Polyurethane Sealant"],"articleSection":["Blog"],"inLanguage":"ru-RU","potentialAction":[{"@type":"CommentAction","name":"Comment","target":["https:\/\/www.tengyusealant.com\/polyurethane-waterproofing-coating-for-infrastructure-underground-structures\/#respond"]}]},{"@type":"WebPage","@id":"https:\/\/www.tengyusealant.com\/polyurethane-waterproofing-coating-for-infrastructure-underground-structures\/","url":"https:\/\/www.tengyusealant.com\/polyurethane-waterproofing-coating-for-infrastructure-underground-structures\/","name":"Polyurethane Waterproofing Coating Supplier for Tunnels & Bridges","isPartOf":{"@id":"https:\/\/www.tengyusealant.com\/#website"},"primaryImageOfPage":{"@id":"https:\/\/www.tengyusealant.com\/polyurethane-waterproofing-coating-for-infrastructure-underground-structures\/#primaryimage"},"image":{"@id":"https:\/\/www.tengyusealant.com\/polyurethane-waterproofing-coating-for-infrastructure-underground-structures\/#primaryimage"},"thumbnailUrl":"https:\/\/www.tengyusealant.com\/wp-content\/uploads\/2026\/03\/roof-paint-waterproof-coating-wholesale\u200b.webp","datePublished":"2026-04-17T05:33:59+00:00","dateModified":"2026-04-17T05:40:40+00:00","author":{"@id":"https:\/\/www.tengyusealant.com\/#\/schema\/person\/7ce710e47577b7507fa7e950f2e40d51"},"description":"Polyurethane waterproofing coating for tunnels, bridges and underground structures. . Available for bulk supply and civil engineer project.","breadcrumb":{"@id":"https:\/\/www.tengyusealant.com\/polyurethane-waterproofing-coating-for-infrastructure-underground-structures\/#breadcrumb"},"inLanguage":"ru-RU","potentialAction":[{"@type":"ReadAction","target":["https:\/\/www.tengyusealant.com\/polyurethane-waterproofing-coating-for-infrastructure-underground-structures\/"]}]},{"@type":"ImageObject","inLanguage":"ru-RU","@id":"https:\/\/www.tengyusealant.com\/polyurethane-waterproofing-coating-for-infrastructure-underground-structures\/#primaryimage","url":"https:\/\/www.tengyusealant.com\/wp-content\/uploads\/2026\/03\/roof-paint-waterproof-coating-wholesale\u200b.webp","contentUrl":"https:\/\/www.tengyusealant.com\/wp-content\/uploads\/2026\/03\/roof-paint-waterproof-coating-wholesale\u200b.webp","width":309,"height":309,"caption":"roof paint waterproof coating wholesale\u200b"},{"@type":"BreadcrumbList","@id":"https:\/\/www.tengyusealant.com\/polyurethane-waterproofing-coating-for-infrastructure-underground-structures\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/www.tengyusealant.com\/"},{"@type":"ListItem","position":2,"name":"Polyurethane Waterproofing Coating for Infrastructure &#038; Underground Structures"}]},{"@type":"WebSite","@id":"https:\/\/www.tengyusealant.com\/#website","url":"https:\/\/www.tengyusealant.com\/","name":"\u0413\u0435\u0440\u043c\u0435\u0442\u0438\u043a Tengyu","description":"\u043f\u043e\u0441\u0442\u0430\u0432\u0449\u0438\u043a \u0433\u0435\u0440\u043c\u0435\u0442\u0438\u043a\u043e\u0432","potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/www.tengyusealant.com\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"ru-RU"},{"@type":"Person","@id":"https:\/\/www.tengyusealant.com\/#\/schema\/person\/7ce710e47577b7507fa7e950f2e40d51","name":"Tengyu Technical","sameAs":["https:\/\/tengyusealant.com","https:\/\/www.facebook.com\/TengyuChemical\/","https:\/\/www.instagram.com\/tengyuchemical\/","https:\/\/www.linkedin.com\/company\/tengyuchemcial","https:\/\/www.pinterest.com\/TengyuChemical\/","https:\/\/x.com\/https:\/\/twitter.com\/TengyuChemical","https:\/\/www.youtube.com\/@tengyuchemical"],"url":"https:\/\/www.tengyusealant.com\/ru\/author\/admin\/"}]}},"_links":{"self":[{"href":"https:\/\/www.tengyusealant.com\/ru\/wp-json\/wp\/v2\/posts\/5474","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.tengyusealant.com\/ru\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.tengyusealant.com\/ru\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.tengyusealant.com\/ru\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.tengyusealant.com\/ru\/wp-json\/wp\/v2\/comments?post=5474"}],"version-history":[{"count":3,"href":"https:\/\/www.tengyusealant.com\/ru\/wp-json\/wp\/v2\/posts\/5474\/revisions"}],"predecessor-version":[{"id":5477,"href":"https:\/\/www.tengyusealant.com\/ru\/wp-json\/wp\/v2\/posts\/5474\/revisions\/5477"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.tengyusealant.com\/ru\/wp-json\/wp\/v2\/media\/5223"}],"wp:attachment":[{"href":"https:\/\/www.tengyusealant.com\/ru\/wp-json\/wp\/v2\/media?parent=5474"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.tengyusealant.com\/ru\/wp-json\/wp\/v2\/categories?post=5474"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.tengyusealant.com\/ru\/wp-json\/wp\/v2\/tags?post=5474"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}