Waterproof Garage Rock Wool Sanwich Wall And Ceiling Insulated Panels Steel Structure Factory
A sandwich panel is made up of three layers: a lightweight core (like PIR, Rock wool, or EPS) and steel sheets on both sides, which can be customized in thickness. These panels are commonly used for the roofs and walls of steel structure buildings such as warehouses, workshops, and cold rooms.
| 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 |


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.

ShandongLanjing Steel Structure Co., Ltd. is a comprehensive enterprise integrating steel structuredesign, manufacturing and installation. The company has been deeply involved in the industry for more than 20 years, and has always adhered to the business philosophy of"quality-oriented, customer first", and is committed to providing customers with efficient,safe and environmentally friendly steel structure solutions. With excellent technicalstrength and rich project experience, Azulite Steel Structure has become one of theleading enterprises in the steel structure industry in Shandong Province.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: Do you provide installation instructions and on-site installation services?
A:Every project will provide the installation instructions, and if you need, we also would like to send our engineer to the local construction site for helping the installation work.
Q:How to install doors and windows?
A:Cut to the right length and connect with door and window bag accessories.
| Main Products Steel structure Building Prefabricated container house Metal Sandwich Panels | ![]() |