For more products related question, Welcome to inquiry us.
1, building volume is more than 100000 cubic meters, or building height greater than 32 m public buildings and residential building building height is more than 100 meters
2, in addition to building volume is more than 100000 cubic meters, or building height greater than 32 m of public buildings and residential building height is greater than 100 m, other buildings can be used flammable materials for exterior wall insulation, but should adopt the corresponding fire protection construction;
3, building decoration materials should use noncombustible material.
2, exterior wall with combustible materials fire protection construction requirements of the
1, the thermal insulation layer should be not burning the material level and vertical separation, its width is not less than 1 meter, the public building every barrier of combustible insulation layer should not be greater than 30 square meters of area, residential building every barrier of combustible insulation area should not be greater than 50 square meters;
2, building external wall around corner and door and window openings on both sides should use the width not less than 0. 5 meters of the burning material separation;
3, building outside surface of non-combustible material covering the insulation completely, should be adopted when using cement mortar daub, its thickness is not less than 5 mm.
3, primary wall fire resistance and fire separation requirements
1, no matter what construction exterior walls, on the base of building inside wall body should use not burning body, its fireproof limit shall comply with the terms of the current code for fire protection design of buildings;
2, when building exterior wall with curtain wall, curtain wall and each layer of floor, wall crack fireproof plugging material should be adopted;
3, when using vertical exterior walls with a cavity in the form of curtain wall, every 2 layers in the cavity should be quite a floor refractory limit not burning body horizontal space.
4, roof insulation materials combustion performance and the requirement of fire protection construction
1, when building roof at the grass-roots level will use the fireproof limit not less than 1. 00 hours not burning body, the roof can use combustible material thermal insulation layer, the rest should be used in rock wool, mineral wool, glass wool and other inorganic materials or other burning insulation materials do not;
2, when the roof with combustible materials do insulation, thermal insulation layer should use the width of not less than 1 m not burning the material level and vertical separation, each barrier of combustible insulation area should not be greater than 100 square meters; The thermal insulation layer around the roof and roof openings around the rim, where cracking width should be adopted not less than 0. 5 meters don't burn the material space;
3, roof will not burning material insulation is adopted for the outer layer should be completely covered in chengdu heat preservation material