Building Materials Rock Wool Waterproof Fireproof Insulation Board Prefab Steel Sheet Rock Wool Sandwich Panel Roof Wall
Sandwich panels are a modular building material designed to cover buildings and structures. These panels consist of two layers that form the outer structure and ensure form, weather resistance, and rigidity. They contain a core that provides thermal and acoustic insulation properties.
Specifications | |
Metal steel sheet thickness | 0.2~0.8mm |
Panel thickness ranges | 50mm~200mm |
Panel width ranges | 500mm~1150mm |
Panel length | Customized |
Surface | Prepainted |
EPS/PU/Rock wool Thickness | 50mm 75mm 100mm 150mm 200mm |
Water absorption rate | <0.018 |
Fireproof Grade | B1 |
Temperature range | -40~200 |
Color | Customized |
Compared with other wall panels, what advantages does it have?
1. Thermal insulation and energy saving
2. Easy installation and cost saving
3. Lightweight, earth-saving, shock-resistant and crack-resistant Strong more options.
4. The sheet is flame-retardant, waterproof and moisture-proof
5. Sound and nois reduction Quiet and comfortable
6. Green environmental protection Durable
7. Strong decoration More options
8. Wide range of applications.
Sandwich panels are incredibly versatile and find applications across multiple industries. Let’s explore some of the most common uses:
Wall Panels | Roofing Panels |
![]() | ![]() |
Suspended ceiling panels | Cold Storage Panels |
![]() | ![]() |
![]() | ![]() | ![]() |
A complete set of PU Rock Wool sandwich panel continuous production line, featuring the world's advanced polyurethane core production process and seven-component on-site foaming technology, ensuring stable product performance. The ultra-long dual-track guarantees the flatness of the product's surface.
Q: Is your company a factory or trading company?
A: We are manufacturer with foreign trade department, so you can get competitive price as well as professional service. And you are always welcomed to visit our factory at any time.
Q: What are your main products?
A: Steel structure buildings, sandwich panel, prefabricated house.
Q:How can we guarantee quality?
A: Always a pre-production sample before mass production;
Always final Inspection before shipment;
Q: What's the quality assurance you provide and how do you make quality control?
A: Quality-first is our core value. LJ steel structure quality assurance team and quality control team have developed a rigorous quality inspection system based on ISO9001. Testing Laboratory guarantees qualified raw materials and high- standard product.
Main Products Steel structure Building Prefabricated container house Metal Sandwich Panels | ![]() |