There is a comprehensive building, a two-story canteen, three-story activity room, the roof for the Caigang sandwich panel roof, the building fire rating for the two, the roof sandwich board design using polystyrene foam sandwich panels can?
Can not. The burning performance of the material does not meet the requirements of Grade II refractory grade building. Replacement material ~ ~
Can not. Polystyrene foam sandwich panels are mostly flammable and flammable, preferably flame retardant, and the burning properties of their materials do not meet the requirements of Grade II refractory grade buildings. Our province has been a few cases of Caigang sandwich panel roof fire cases, due to sandwich material led to the rapid expansion of fire.
