At present, wooden fire doors are becoming more and more popular with young people. Wood fire doors not only like steel fire doors have the same fire-resistant effect, in the beautiful and generous aspects are far more than steel fire doors. This is also the focus of young people like wooden fire doors. But there are many wooden fire doors on the market, for wooden fire doors prices are also uneven.
The principle of wooden fire doors.
Fire doors are usually used on firewalls, stairwell entrances, or pipe well openings, which play an important role in reducing fire damage. Fire doors in high-rise civil buildings are divided into grades A, B and C, fire resistance limit Class A doors must not be less than 1.2 hours, Class B doors must not be less than 0.9 hours, Class C doors must not be less than 0.6 hours. Door fans, door frames are made of hard-to-burn wood or hard-to-burn wood products, door fans inside the filling fire insulation, non-toxic harmless fire insulation materials, and then through fire retardant treatment, to meet these two requirements of wood fire doors to meet the standards of Class A fire doors. In addition, wood fire door hardware accessories are also fireproof, as well as fire smoke and so on.