What is the fire rating of the wood trim
Class A is incombustible:
Granite, marble, terrazzo, cement products, concrete products, gypsum board, lime products, clay products, glass, tiles, mosaic, steel, aluminum, copper alloy;
Wooden panel fire rating B2, for the combustible material.
B1 level for the flame retardant:
Gypsum board, fiber gypsum board, cement particle board, mineral wool decorative sound absorption board, glass wool decorative sound absorption board, perlite decorative sound absorption board, flame retardant plywood, flame retardant medium density fiberboard, rock wool decorative board, Wood, aluminum foil composite materials, flame retardant phenolic plywood, aluminum foil glass fiber reinforced plastic composite materials;
B2 grade for flammability:
All kinds of natural wood, wood-based panels, bamboo, paper decorative panels, decorative Mianmu veneer panels, printed wood-based wood-based panels, plastic veneer decorative panels, polyester decorative panels, plastic decorative panels, plastic board, plywood , Plastic wallpaper, non - woven wall covering, wall covering, composite wallpaper, natural materials, wallpaper, artificial leather, etc.
