It must be fixed before installing the steel plate under each steel plate.
The fixing must start from the center of the board, then start from the side and finally overlap the edge of the board.
At the end of a lap, since the roof and wall panels are continuous processes, the transport conditions may limit the length of the entire panel, and you usually do not need to attach the steel panels to the roof that is paved enough to meet the required length.
Post time: Aug-08-2019