At first glance, wooden fire doors seem to be a contradictory argument. Wood has been regarded as a necessary item for ignition since ancient times. The editor of this issue mainly explains the knowledge of wooden fire doors and teaches you to know one. Fantastic fire door.
Working principle of wooden fire doors
Wooden fire door refers to the door frame, door leaf frame, door leaf panel made of wood or wood products, and the fire resistance limit reaches the door of the high-rise civil building design fire protection code.
Fire rating of wooden fire doors
In the design code for fire protection of high-rise civil buildings, fire doors are classified as Class A, B, and C, and their fire resistance limits are specified. Class A doors shall not be less than 1.5 hours, Class B doors shall not be less than 1 hour, and Class C The door must not be less than 0.5 hours. Wooden fire doors are divided into two series, full board and half glass, and various specifications of single and double leaf.
Wooden fire door installation requirements
1. The wooden fire door should be a flat door, which must be opened flexibly and has the function of self-closing
2. The wooden fire doors used for evacuation passages should have the function of being able to be closed quickly in the event of a fire, and should be opened in the evacuation direction, and locks and bolts should not be installed
3. Double or multiple wooden fire doors with spigots must be able to be closed in sequence
4. The cutout where the door frame of the wooden fire door and the door leaf overlap should be left with a sealing groove, and the sealing strip made of non-combustible material should be inlaid
5. When the conditions are met, it is advisable to assemble the door leaf and the door frame as a complete set, install all the hardware, and then install the complete set
6. After the wooden fire door is made, the base oil (dry oil) should be brushed immediately to prevent damp deformation
7. The installation of small hardware should be fixed with wood screws, and nails must not be used instead
