Product Overview
PU sandwich roof panel 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.
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.
Key Features
- Self-supporting span — corrugated top facing carries loads over 1.5-3 m purlin spacing
- One-layer roof system — insulation, waterproofing and ceiling finish in one panel
- Concealed fastening option — hidden clip system for a clean, leak-proof roof
- Color matching — white / blue / black standard, any RAL on request
- Cut to length — 1-11.8 m lengths optimize waste on your roof layout
Application Scenarios
The PU sandwich roof panel suits pitched and low-slope insulated roofs:
- Workshops & factories — fast insulated roofing over steel purlins
- Warehouses — large-area roofs with few joints
- Prefab & container buildings — lightweight complete roof modules
- Agricultural buildings — insulated roofs for barns and poultry houses
Configuration Options
- Core — PU rigid foam 36-40 kg/m3
- Top facing — corrugated pre-painted steel 0.4-0.6 mm
- Bottom facing — flat pre-painted steel 0.4-0.6 mm
- Thickness — 50 / 75 / 100 mm
- Effective width — 1000 mm
- Colors — white, blue, black or any RAL color
Product Specifications
| Core | PU foam |
| Thickness | 50 / 75 / 100 mm |
| Effective width | 1000 mm |
| Length | custom up to 11.8 m |
| Thermal conductivity | 0.022 W/(m·K) |
| Certificates | CE / ISO 9001 / SGS |
All products are manufactured in our ISO 9001 certified factory and carry CE / SGS certification. Custom requirements are welcome.
Quality Certifications
Ruhai Material is ISO 9001 certified and ships products compliant with CE and SGS requirements worldwide. Material certificates and test reports are available with each shipment.
Frequently Asked Questions
What purlin spacing does the roof panel allow?
Depending on thickness and load, 1.5-3.0 m. We check the span with you based on your local wind and snow loads.
What is the MOQ?
MOQ is about 200 m2; mixed colors and lengths can share one container.
Is the roof panel waterproof?
The steel facing is waterproof; with the optional concealed-fixing system and end laps sealed, the roof is watertight for years.
What is the lead time?
7-15 working days after deposit for standard colors.
Can you match our wall panel color?
Yes, roof and wall panels can be produced in the same RAL color for a uniform building envelope.
Request a Quote
Send us your specifications, quantity and target port — our sales team replies within 24 hours with a detailed quotation. Send an inquiry now.
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