1, cable. Before installation, pull the control line according to the height and level to ensure good vertical and vertical control, and then select the corresponding light steel keel to determine the spacing, which is generally one to one point two meters. 2. installation. When installing the aluminum veneer, you need to wear gloves to ensure safety, connect with the pre-installed keel and light steel keel, and adjust the distance, then buckle the aluminum veneer upside down on the keel and hold it down with the locking piece. Step 3 fill. For places with deformation joints and settlement joints, glue should be used to fill them, and then plastic film should be used to cover the places that are easy to be polluted.