{"id":495,"date":"2026-09-24T22:22:17","date_gmt":"2026-09-24T14:22:17","guid":{"rendered":"https:\/\/ruhaimaterial.com\/product\/pu-sandwich-roof-panel\/"},"modified":"2026-09-24T22:32:06","modified_gmt":"2026-09-24T14:32:06","slug":"pu-sandwich-roof-panel","status":"publish","type":"product","link":"https:\/\/ruhaimaterial.com\/zh_CN\/product\/pu-sandwich-roof-panel\/","title":{"rendered":"PU Sandwich Roof Panel | Corrugated Insulated Roof Sheet"},"content":{"rendered":"<h2 class=\"wp-block-heading\">Product Overview<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>PU sandwich roof panel<\/strong> is a self-supporting insulated roofing panel with a corrugated (trapezoidal) upper steel facing and a flat lower facing around a rigid PU foam core. The corrugation gives the panel high span capacity on purlins.<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img fetchpriority=\"high\" decoding=\"async\" width=\"829\" height=\"392\" src=\"https:\/\/ruhaimaterial.com\/wp-content\/uploads\/2026\/09\/pu-sandwich-roof-panel-profiles.png\" alt=\"pu sandwich roof panel profiles in several colors\" class=\"wp-image-449\" srcset=\"https:\/\/ruhaimaterial.com\/wp-content\/uploads\/2026\/09\/pu-sandwich-roof-panel-profiles.png 829w, https:\/\/ruhaimaterial.com\/wp-content\/uploads\/2026\/09\/pu-sandwich-roof-panel-profiles-300x142.png 300w, https:\/\/ruhaimaterial.com\/wp-content\/uploads\/2026\/09\/pu-sandwich-roof-panel-profiles-768x363.png 768w, https:\/\/ruhaimaterial.com\/wp-content\/uploads\/2026\/09\/pu-sandwich-roof-panel-profiles-18x9.png 18w, https:\/\/ruhaimaterial.com\/wp-content\/uploads\/2026\/09\/pu-sandwich-roof-panel-profiles-600x284.png 600w\" sizes=\"(max-width: 829px) 100vw, 829px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">It replaces the traditional two-layer roof build-up (purlin + insulation + sheet) with a single click-together panel, cutting installation time sharply. Available in white, blue, black and any RAL color to match your facade.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Key Features<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n\n<li><strong>Self-supporting span<\/strong> \u2014 corrugated top facing carries loads over 1.5-3 m purlin spacing<\/li>\n\n\n<li><strong>One-layer roof system<\/strong> \u2014 insulation, waterproofing and ceiling finish in one panel<\/li>\n\n\n<li><strong>Concealed fastening option<\/strong> \u2014 hidden clip system for a clean, leak-proof roof<\/li>\n\n\n<li><strong>Color matching<\/strong> \u2014 white \/ blue \/ black standard, any RAL on request<\/li>\n\n\n<li><strong>Cut to length<\/strong> \u2014 1-11.8 m lengths optimize waste on your roof layout<\/li>\n\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">Application Scenarios<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">The PU sandwich roof panel suits pitched and low-slope insulated roofs:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n\n<li><strong>Workshops &#038; factories<\/strong> \u2014 fast insulated roofing over steel purlins<\/li>\n\n\n<li><strong>Warehouses<\/strong> \u2014 large-area roofs with few joints<\/li>\n\n\n<li><strong>Prefab &#038; container buildings<\/strong> \u2014 lightweight complete roof modules<\/li>\n\n\n<li><strong>Agricultural buildings<\/strong> \u2014 insulated roofs for barns and poultry houses<\/li>\n\n<\/ul>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" width=\"827\" height=\"390\" src=\"https:\/\/ruhaimaterial.com\/wp-content\/uploads\/2026\/09\/pu-sandwich-roof-panel-roof-tile.png\" alt=\"Workshops &amp; factories application example\" class=\"wp-image-450\" srcset=\"https:\/\/ruhaimaterial.com\/wp-content\/uploads\/2026\/09\/pu-sandwich-roof-panel-roof-tile.png 827w, https:\/\/ruhaimaterial.com\/wp-content\/uploads\/2026\/09\/pu-sandwich-roof-panel-roof-tile-300x141.png 300w, https:\/\/ruhaimaterial.com\/wp-content\/uploads\/2026\/09\/pu-sandwich-roof-panel-roof-tile-768x362.png 768w, https:\/\/ruhaimaterial.com\/wp-content\/uploads\/2026\/09\/pu-sandwich-roof-panel-roof-tile-18x8.png 18w, https:\/\/ruhaimaterial.com\/wp-content\/uploads\/2026\/09\/pu-sandwich-roof-panel-roof-tile-600x283.png 600w\" sizes=\"(max-width: 827px) 100vw, 827px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">Configuration Options<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n\n<li><strong>Core<\/strong> \u2014 PU rigid foam 36-40 kg\/m3<\/li>\n\n\n<li><strong>Top facing<\/strong> \u2014 corrugated pre-painted steel 0.4-0.6 mm<\/li>\n\n\n<li><strong>Bottom facing<\/strong> \u2014 flat pre-painted steel 0.4-0.6 mm<\/li>\n\n\n<li><strong>Thickness<\/strong> \u2014 50 \/ 75 \/ 100 mm<\/li>\n\n\n<li><strong>Effective width<\/strong> \u2014 1000 mm<\/li>\n\n\n<li><strong>Colors<\/strong> \u2014 white, blue, black or any RAL color<\/li>\n\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">Product Specifications<\/h2>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody>\n<tr><td>Core<\/td><td>PU foam<\/td><\/tr>\n<tr><td>Thickness<\/td><td>50 \/ 75 \/ 100 mm<\/td><\/tr>\n<tr><td>Effective width<\/td><td>1000 mm<\/td><\/tr>\n<tr><td>Length<\/td><td>custom up to 11.8 m<\/td><\/tr>\n<tr><td>Thermal conductivity<\/td><td>0.022 W\/(m\u00b7K)<\/td><\/tr>\n<tr><td>Certificates<\/td><td>CE \/ ISO 9001 \/ SGS<\/td><\/tr>\n<\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">All products are manufactured in our ISO 9001 certified factory and carry CE \/ SGS certification. Custom requirements are welcome.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Quality Certifications<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Ruhai Material is <strong>ISO 9001<\/strong> certified and ships products compliant with <strong>CE<\/strong> and <strong>SGS<\/strong> requirements worldwide. Material certificates and test reports are available with each shipment.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Frequently Asked Questions<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">What purlin spacing does the roof panel allow?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Depending on thickness and load, 1.5-3.0 m. We check the span with you based on your local wind and snow loads.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">What is the MOQ?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">MOQ is about 200 m2; mixed colors and lengths can share one container.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Is the roof panel waterproof?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">The steel facing is waterproof; with the optional concealed-fixing system and end laps sealed, the roof is watertight for years.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">What is the lead time?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">7-15 working days after deposit for standard colors.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Can you match our wall panel color?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Yes, roof and wall panels can be produced in the same RAL color for a uniform building envelope.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Request a Quote<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Send us your specifications, quantity and target port \u2014 our sales team replies within 24 hours with a detailed quotation. <a href=\"\/contact-us\/#inquiry\">Send an inquiry now<\/a>.<\/p>\n\n\n\n<div class=\"wp-block-buttons is-layout-flex wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button\"><a class=\"wp-block-button__link wp-element-button\" href=\"\/contact-us\/#inquiry\">Get a Free Quote<\/a><\/div>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>Ruhai PU sandwich roof panel combines a corrugated top facing with a PU foam core for self-supporting insulated roofs. Easy-span roof sheet for workshops, warehouses and prefab buildings. MOQ: 200 m2.<\/p>","protected":false},"featured_media":449,"comment_status":"open","ping_status":"closed","template":"","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","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":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-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":"","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-4)","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-4)","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-4)","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":""}},"rank_math_title":"PU Sandwich Roof Panel | Corrugated Insulated Roofing","rank_math_description":"PU sandwich roof panel with corrugated steel facing for insulated pitched roofs. 50-100 mm, white\/blue\/black colors, up to 11.8 m length. CE certified.","rank_math_focus_keyword":"pu sandwich roof panel"},"product_brand":[],"product_cat":[32],"product_tag":[],"class_list":["post-495","product","type-product","status-publish","has-post-thumbnail","product_cat-steel-metal-materials","desktop-align-left","tablet-align-left","mobile-align-left","first","instock","shipping-taxable","product-type-simple"],"_links":{"self":[{"href":"https:\/\/ruhaimaterial.com\/zh_CN\/wp-json\/wp\/v2\/product\/495","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/ruhaimaterial.com\/zh_CN\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/ruhaimaterial.com\/zh_CN\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/ruhaimaterial.com\/zh_CN\/wp-json\/wp\/v2\/comments?post=495"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/ruhaimaterial.com\/zh_CN\/wp-json\/wp\/v2\/media\/449"}],"wp:attachment":[{"href":"https:\/\/ruhaimaterial.com\/zh_CN\/wp-json\/wp\/v2\/media?parent=495"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/ruhaimaterial.com\/zh_CN\/wp-json\/wp\/v2\/product_brand?post=495"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/ruhaimaterial.com\/zh_CN\/wp-json\/wp\/v2\/product_cat?post=495"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/ruhaimaterial.com\/zh_CN\/wp-json\/wp\/v2\/product_tag?post=495"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}