The roof and wall color steel sheets are installed after the roof rafters and wall beams are installed finished.

Generally, the wall color steel sheet is installed first, then install the roof color steel sheet, it is good to the connection of cornice.

There are two ways to install the metal steel sheet: hidden connection and self-tapping screw connection.

The method of concealing the connection is to use a bracket to fix the color steel sheet on the pur strip, and the edge of the color steel sheet is used to lock the color steel sheet with a mold clamp or waterproof adhesive (this method is only applicable to roof)

The self-tapping screw connection method is to fix the color steel plate directly on the roof frame or wall beam with screws. When the colored steel plates need to be lengthened in the length direction, they are connected with self-tapping screws and sealed with waterproof glue.