Decoration materials fire rating
Class A: incombustible Building materials: almost no burning material. A1 level: non-combustible, can not afford to fire A2 level: non-combustible, to measure smoke, to qualified. B1 level: flame retardant building materials: flame retardant materials have a better flame retardant effect. It is in the air in case of fire or in the role of high temperature difficult to fire, it is not easy to spread, and when the fire destroyed after the fire immediately stop. B2 grade: flammable building materials: combustible materials have a certain role in flame retardant. In the air in case of fire or under high temperature will immediately fire burning, easy to lead to the spread of fire, such as wooden pillars, wooden truss, wooden beams, wooden stairs and so on. B3 level: flammable Building materials: no any flame retardant effect, easy to burn, fire risk is great.
Architectural design code for fire protection
Can refer to (architectural design fire safety regulations)
Fire protection and other factors are dependent on the proportion of locally used wood finishes and the fire rating of the wood finish. All the light steel keel gypsum board A-class, if the wood fineness is small, and also reached B1 level, can also be considered A level; if the wood surface up to B2 level, the overall can be B1 level public buildings A residential building B1 level
