Polyurethane Sandwich Roof Panel
| Place of Origin: | Zhengzhou,China |
|---|---|
| Brand Name: | RUIISTEEL |
| Core Material: | PU/PIR |
| Panel Thickness: | 50/75/80/100/150mm |
| Effective Width: | 1000mm |
| Length of Panel: | ≤11.8 meters |
| Metal Sheet Thickness: | 0.4-0.8mm |
| Firepro of Grade: | B1 |
| Certification: | CE, ISO, GB, AISC, SGS, BV |
| Service Life: | Over 30 Years |
| Payment: | T/T, L/C |
Product Details
Henan Ruii Steel Construction Engineering Co.,Ltd.’s polyurethane sandwich roof panel adopt concealed nail fixing, featuring tight panel lap joints that completely hide fasteners, presenting a neat and smooth appearance. The unique waterproof groove design effectively prevents rainwater leakage, eliminates potential water seepage risks, and simultaneously avoids the cold bridge effect, ensuring excellent thermal insulation performance and long-term structural stability of the roof system.
Specifications of Polyurethane Sandwich Roof Panel:
| Product Name | PU/PIR Roof Sandwich Panels |
| External Metal Plate | Thickness:0.4/0.5/0.6/0.7/0.8mm |
| Coating : PVDF/HDP/SMP/PE | |
| Inner Metal Plate | Thickness:0.4/0.5/0.6mm |
| Coating: SMP/PE | |
| Panel Thickness | 50/60/75/80/100/150mm |
| Core Material | PU/PIR |
| Effective Width | 1000mm |
| Length | Customized |
| Thermal Conductivity | ≤0.023 w/m·k |
| Density | PU:40-42kg/m3 ; PIR:43-48kg/m3 |
| Color | Usual color： white grey,silver gray,sea-blue,crimson or Customized |
Panels’ surface profile and thickness
- Top surface: Flat
- Inner surface: Square wave
Allowable vertical load and heat transfer coefficient of RUIISTEEL Company’ Polyurethane roof sandwich panel (allowable deformation f ≤ L/240).
| Thickness of panel | Heat transfer coefficient | Weight (Kg/m2) | Load capacity |  |
|||||
| 0.5/0.4mm | 0.6/0.6mm | ||||||||
| mm | W/m2K | KG/M2 | KG/M2 | P=KN/㎡ | 0.60 | 0.80 | 10 | 1.20 | 1.50 |
| 50 | 0.31 | 9.94 | 12.50 | L(m) | 3.59 | 3.17 | 2.85 | 2.61 | 2.33 |
| 75 | 0.21 | 10.99 | 13.70 | 4.64 | 4.07 | 3.66 | 3.34 | 2.96 | |
| 100 | 0.19 | 11.69 | 14.50 | 5.57 | 4.88 | 4.38 | 3.99 | 3.53 | |
| 120 | 0.16 | 12.39 | 15.30 | 6.28 | 5.49 | 4.92 | 4.48 | 3.97 | |
Note: Above table is calculated on the basis of PU’ density 40-42kg/m3, outer steel sheet /inner steel sheet : 0.5mm/0.4mm; 0.6mm/0.6mm).
We earn the long-term trust of global clients through unparalleled efficiency and relentless pursuit of quality excellence.
Production Workshop Display
The company has a modern production base of over 8,000 square meters, equipped with a steel structure welding workshop, two Italian‑imported sandwich panel production lines, three complete house production lines and an intelligent assembly system. The annual steel structure capacity reaches 150,000 tons, with a daily output of 3,000 square meters of high‑end sandwich panels and 200 sets of modular houses.
Product Packaging & Shipping
Our packing and shipping services offer customized, robust transportation solutions for every product category, ensuring your goods arrive safely worldwide. Steel structural components are packed with sturdy steel frames, forming stable transport units that effectively withstand the bumps and pressure of long-distance sea and land transport. Sandwich panels and container houses are fully wrapped with high-quality protective films, providing moisture, dust, and scratch protection while fully preserving the coating and appearance of the panels. We have deep expertise in export logistics; from packing methods to container loading, every step is professionally optimized to provide you with a worry-free and reliable delivery experience.
Why Choose Us?
- Compliance guaranteed: Complete international certifications, compatible with national standards, reducing application and acceptance risks.
- Cost controllable: Chinese supply and prefabricated construction result in overall cost savings of 15%-25%.
- Schedule guaranteed: BIM collaboration and factory prefabrication enable rapid production and a competitive market advantage.
- Reliable quality: Export-grade processes and rigorous testing ensure both structural safety and durability meet standards.
Frequently Ask Questions
Design drawings → Quotation → Confirmed drawings → Purchase order → Purchase order confirmation → 30% deposit payment → Production → Quality inspection → Balance payment → Shipment.
This depends on the order quantity and the complexity of the customization. Generally, for regular order quantities, delivery time is within 30 days after receiving the deposit.
Yes, samples can be provided, but customers need to pay for the sample fee and international express shipping.
You are welcome to send inspectors at any time. Inspections can be arranged not only during container loading but also at any time during the production process.
We are a manufacturing plant with over 120 employees and a factory area of over 10,000 square meters, where you can enjoy the best prices and competitive costs.
Yes, we have over 10 design engineers. They can create complete solution drawings based on your needs. Software they use includes: AutoCAD, PKPM, MTS, 3D3S, Tarch, Tekla Structures (Xsteel) V12.0, etc.
RuiSteel is a company that highly values quality. We hold ISO9001, BV, SGS, and FM certifications.
Yes, we will send you relevant information and photos at different stages of your order's production so you can get the latest updates in a timely manner.
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