Wool face up, smooth face down. Main steps of carpet laying: 1. The treatment of floor carpet is generally laid on wooden floor or cement floor. The potholes on the floor should be smoothed with sandpaper, filled with mud, then washed with clear water and dried for later use. ? 2. Laying method? Unfixed: Cut the carpet into a whole piece, spread it directly on the ground, and repair it at the corners without bonding with the ground. This method is suitable for carpets that are often rolled up or rooms that are rarely used and have heavy loads. ? Fixing: Cut the carpet, glue it into one piece and fix it around the floor of the room. Two methods can be adopted: one method is to stick the periphery of carpet surface to the ground with adhesive or double-sided tape; The other is to install battens with air nails on the ground around the room, and cover the back of the carpet with small nails facing the battens.