Fireproof rolling shutters are usually installed at the openings or apertures of buildings, such as door openings and window openings. hey can prevent the spread of fire and are an important fire prevention partition. The standard dimensions of fireproof rolling shutter doors are as follows: When the width of the fire prevention partition part is not more than 30m, the width of the fireproof rolling shutter should be less than or equal to 10m; when the width of the fire prevention partition part is greater than 30m, the width of the fireproof rolling shutter is less than or equal to one-third of the width of this part, and less than or equal to 20m. The special-grade fireproof rolling shutter (double-track inorganic fabric base) launched by Liansu is made of inorganic fireproof fibers through special processing, and has the functions of fire prevention, smoke isolation and heat insulation, becoming an ideal choice for many consumers.