Roof thermal insulation rock wool sandwich panels are custom-made for flat roof systems (especially flexible waterproof roof systems) of industrial and civil buildings to provide thermal insulation, sound absorption, noise reduction and fire protection. They feature excellent compression resistance, high load-bearing capacity, ageing resistance and weather resistance. The panels can fully withstand foot traffic of workers during construction, inspection and maintenance, and deliver long-lasting and stable thermal insulation, sound absorption and noise reduction performance within the roof system. They are widely used in buildings with strict fire safety requirements, such as automobile workshops, electronics factories, cigarette factories, garment factories and pharmaceutical plants.

Standard Specifications
|
Product Name |
Roof Thermal Insulation Rock Wool Sandwich Panel |
|
|
Nominal Density (kg/m³) |
160 |
180 |
|
Thickness (mm) |
30-100 |
|
|
Dimension (mm) |
1200*600*(30-100) |
|
Note: Please consult our sales for other available specifications.
Technical Parameters
|
Performance |
Unit |
Density |
Test Standard |
||
|
160 |
180 |
||||
|
Combustion Performance |
- |
Class A1 Non-combustible |
GB 8624 |
||
|
Point Load (5 mm compression) |
N |
≥500 |
EN 12430 |
||
|
Water Repellency |
% |
≥98.0 |
GB/T 25975 |
||
|
Mass Moisture Absorption Rate |
% |
≤1.0 |
GB/T 25975 |
||
|
Thermal Conductivity (at mean 25℃) |
W/(m.k) |
≤0.040 |
GB/T 25975 |
||
|
Compressive Strength (10% deformation) |
kPa |
≥40 |
≥60 |
GB/T 25975 |
|
|
Melting Temperature |
℃ |
>1000 |
GB 8624 |
||
|
Acidity Coefficient |
-- |
≥1.8 |
GB/T 5480 |
||

Product Application
Roof thermal insulation rock wool sandwich panels are widely used in steel roof structural systems requiring high compressive strength. Serving as both thermal insulation layer and load-bearing layer, they form a roof thermal insulation and waterproofing system together with flexible waterproof membranes and breathable layers. Such flexible waterproof roof systems are commonly adopted for waterproofing of steel or concrete flat roofs at airports, railway stations, bus terminals, industrial workshops, large shopping malls, stadiums and other buildings. The product shall be stored indoors. If stored outdoors, it must be covered with waterproof tarpaulin.
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