Roof Sandwich Panels is a polyurethane thermal insulation sandwich panel for construction, also known as anti-leakage sandwich
roof panel, polyurethane rigid foam insulation panel, polyurethane composite panel, PU panel, etc. It is a highly efficient and energy
-saving building envelope material with a wide range of uses and great potential, and it is also a new type of energy-saving board
advocated and promoted by the Ministry of Construction.
Features/Advantages of Pu sandwich panels:
A:Lightweight, novel, and beautiful in shape.The heavy halo is generally 10 kg/m2-14 kg/m2, which is equivalent to 1/30 of the light
wall. The surface color is absolutely, without surface decoration.
B:Strength, stiffness, stability, washout resistance, good shock resistance, corrosion resistance and atmospheric resistance. It can
be used to maintain the structure and load-bearing structure. Generally, the house does not need beams and columns.
C:Excellent thermal insulation, heat insulation and sound insulation performance. In terms of anti-condensation performance, the
35 mm thick air-cooled panel is equivalent to 1130 mm red wall.
D:The degree of prefabrication and assembly is high, and the construction is less affected by harsh weather. Therefore, compared
with the traditional construction method, the construction period can be shortened by more than 40%.
E:Fire performance: Class B combustion performance, the highest operating temperature is 180°C (250°C for instant elbow), carbon
formation under the direct action of the flame, no dripping, no curling, no melting phenomenon, the surface forms a layer after the
flame burns "Graphite Foam" layer, which effectively protects the foam structure within the layer.






