1.Basic treatment: flat cement wall or wooden board as the base layer

2.Material processing: Cut and trim the board according to the size before installation; Grind the inner side of the external corner at a 45 ° angle.

3.Installation on the wall: Use ceramic tile mastic for cement walls, structural adhesive/marble adhesive for woodworking board walls, evenly apply to the back of the board, and install the board on the wall; Nail the board tightly with wooden blocks/strips and remove it after the glue dries.

4.Gap repair: First fill the gap with the prepared sealant, and then dilute the color paste with a small amount of water for color repair.

5.Surface maintenance: After the construction is completed, the surface is sprayed with a finishing agent to prevent contamination