Steel fire doors are moderate in price, but they are heavy in weight, laborious to open, monotonous in style, and not beautiful enough, so they are mostly used in industrial buildings and general-grade civil buildings, or in buildings that have low aesthetic requirements and usually have a small flow of people (such as computer room, garage, etc.), and has a wide range of application environments; on the contrary, wooden fire doors are light in weight, flexible in opening and closing, good in appearance and decorative, and have many patterns, but the price is relatively high, and they are mostly used in mid-to-high-end civil buildings or buildings. For important occasions, it is also more beautiful to choose wood for home decoration.
Each fire door should have a permanent sign in a conspicuous position, and the sign should include the following contents: product name, model specification and trademark; manufacturer name or manufacturer mark and factory address; date of manufacture and product production batch number; implementation standards, etc.
Wooden fire doors: cut corners and joints should be tight and flat; plywood is not allowed to plan through the surface veneer and chalkboard; the surface should be polished or sanded; the coating should be uniform, flat and smooth. Steel fire doors: the appearance should be flat and smooth; the coating and plating should be uniform, flat and smooth; the welding should be firm, the solder joints should be evenly distributed, and the outer surface welding should be polished and smooth.
The editor of Maigou.com believes that qualified steel and wooden fire doors should be equipped with fireproof sealing strips. The sealing strips should be straight and free of arches, and have a qualified inspection report issued by a national inspection agency.
The size of the fire door is indicated by the size of the opening. The size of the opening should comply with the relevant regulations of GB/T 5824. The size of the special opening can be determined by the manufacturer and the user through negotiation as needed. The size of fire doors is mainly based on GB/T 5824-2008 "Building Door and Window Size Series". Generally, the maximum opening size applicable to each fire door is about: height 3.3m, width - single leaf 1.1m, double leaf 3.0m. Qualified fire doors are generally heavier.
The external dimensions of qualified products should be less than or equal to the external dimensions in the sample description, the thickness of the door leaf should be greater than or equal to the door leaf thickness in the sample description, the width of the side wall of the door frame should be greater than or equal to the width of the door frame side wall in the sample description, and the external dimensions of the fireproof glass should be less than or equal to The overall size and thickness of the fire-resistant glass in the sample description should be greater than or equal to the thickness of the fire-resistant glass in the sample description.
Fire doors are products included in the type approval system. Products need to undergo type inspection before they are sold. Generally, type inspection reports describe in detail the specifications, dimensions, composition, materials, and photos of the samples. The manufacturer asks for the type inspection report.
The price of fire doors varies from place to place, and with the addition of delivery, door closers, installation, etc., there will be some differences in price. Moreover, fire doors are divided into grades A, B, and C. In addition to the different materials, the price difference is still quite large. Generally, the price of a class A and B fire door is 250 to 400 yuan per square meter, while that of class C is relatively cheaper.