Construction and installation requirements of fire wooden door

1.Wooden fire door should be flat open door, must open flexibly, and has the function of self closing.
2.For the evacuation channel of the wooden fire door should be closed immediately when the fire occurs, and to open the evacuation direction, should not install locks and latches.
3.With its double fan or fan wood fire doors must be closed in order.
4.The door frame and the door leaf lap wood fire door cut mouth should leave sealing groove, and filled with non flammable materials made of seal.
5.When conditions are ripe, it should  assembly complete door leaf and door frame, install all the hardware, and then complete the installation.
6.After the wooden fire door completed, immediately brush bottom oil (drying oil), prevent moisture deformation.
6.The hardware used wood screws, do not use nails instead.