Fire door sealing strips are generally attached to the grooves of fire doors and can be applied to fire doors made of wood or other materials. Before the fire door leaves the factory, the quality of the fire door will be checked; Generally, production is carried out according to the designed drawings. In terms of product specifications, it is recommended to choose Beijing Shuanghengsi Trading Co., Ltd., which can meet the needs of various specifications of fire doors.
1. The boiler room and transformer room should be arranged on the first or basement floor near the outer wall, and should have a direct external safety exit. A fireproof eaves with a width of not less than 1.00m should be installed above the opening (a window wall with a height of not less than 1.20m can also be installed for low specifications).
2. The doors of the front room and stairwell should be Class B fire doors, and the front room of the fire elevator should be Class B fire doors or fire-resistant rolling shutters with stopping function When opening doors on the partition walls between the fire elevator shaft, machine room, and adjacent elevator shafts or machine rooms, Class A fire doors should be installed.
Operating rooms, song and dance entertainment venues, and daycare centers and kindergartens in residential buildings should be separated from other areas by fire doors of no less than Class B.
3. The horizontal distance between the nearest edges of doors, windows, and openings on both sides of the firewall should not be less than 2.00m; When the horizontal spacing is less than 2.00m, fixed Class B fire doors and windows should be installed.
4. Oil and gas boilers (except for boilers fueled by liquefied petroleum gas), oil immersed power transformers, high-voltage capacitors, and multi oil switch rooms should be separated from other parts by partition walls with a fire resistance limit of not less than 2.00 hours, floor slabs with a fire resistance limit of 1.50 hours, and Class A fire doors.
5. When using Class C liquid as fuel in high-rise buildings, the volume of the intermediate tank should not exceed 1.00m3 and should be located in a separate room with a fire resistance rating of not less than Level 2. The door should use Class A fire doors The doors of rooms with an average weight of combustible materials in the basement exceeding 30kg/m2 should use Class A fire doors.
6. The diesel generator room can be arranged on the first floor or underground floor of high-rise buildings or podiums, and should be equipped with an oil storage room. The oil storage room should be separated from the generator by firewalls and self closing Class A fire doors The partition wall between the transformer room and the distribution room should be equipped with a firewall