Cement and brick wall installation
1. First, please set ink lines under the eaves, at the top and bottom of the window, and determine the required height according to the specific situation.
2. Install the accessories (external corners, internal corners, starting pieces, middle seams, etc.) first, then install the hanging board, use expansion screws to fix the board to the wall, install the board through, and close it with the closing piece after completion.

Steel structure installation
First install the accessories (external corners, internal corners, starting pieces, middle seams, etc.), then install the hanging board, use electric drill screws to fix the board directly to the steel frame structure keel, and close it with the closing piece after the board is installed through.