1. Firstly, the keel needs to be installed and fixed with an expansion pipe. While fixing, the overall leveling is also required. When the plastic wood wallboard is installed on the ground, the surface of the plastic wood keel must be higher than the nail cap of the screw;
2. After fixing the screw, they should be consistent with the surface of the plastic wood wallboard, keep flat, and the spacing is about 3-5 mm;
3. The plastic wood wallboard and keel shall also be fixed with screw at the beginning and the end, and fixed with plastic clips at the junction of the two. After they are all fixed, check again whether they are fixed.