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Anonymous users2024-01-23A is a non-combustible material; B1 is a flame-retardant material; B2 is a combustible material; B3 is a flammable material. This is divided by oxygen index.
Probably not, smoke from the kitchen may escape from the bathroom.
The ventilation duct of the bathroom is generally relatively thin, and before the tiles are paved in the later stage, the net is hung and then plastered, so it is better to deal with it to enhance the structural strength of the ventilation duct.
No, the snorkel must be a separate pipe, placed in the flue, when other people's homes cook, the air flow will return, and the flue is not straight up and down, and the exhaust will not be ---smooth
According to China's "Residential Design Code", if it is natural ventilation, it is required that the area of the kitchen ventilation opening is not less than 1 10 of the floor area of the room, and the minimum is not less than; The area of the ventilation opening of the bathroom shall not be less than 1 20 >>>More
The exhaust flue is a system set up in the kitchen for the range hood to exhaust the smoke of the stove, and it has 5 structural forms. Our production enterprises generally select and process according to user requirements in these five forms. It is mainly composed of main and auxiliary flues, fire dampers, check valves, and oil junctions. >>>More