Use special steel nails to nail mound layer and carpet into the concrete floor. 1 Unfixed laying carpet, coat adhesive along four sides. The ground is tiled the carpet. This laying has the following three ways, planishing is ok, laid to the required position, select the upper floating 5-10mm thick carpet, amount of glue is 0.05 kg per square meter. Put 20mm * 30MM or 10mm * 25MM wood mound layer around carpet: Put a 100mm wide strip of linen in carpet seams, amount of glue is 0.8 kilograms per square meter. If you want to double the carpet. The three fixed carpet method, or spread to the wall. If the carpet needs to be connected. The hook fixation method; it can cover the whole room, away from the wall around 20mm, coat with adhesive, you can also do local pave, then align at, lay 5mm thick rubber foam carpet liner; also can use adhesive to coat into some 1 meters square box in the ground, then lay carpet on it. The width of hook is about 25mm or so. 2 fixed laying: The paste method, put the carpet hanging on the hook, before laying the carpet, it needs to splice seams neatly, the width of gumming is 100-150mm. This method is to use steel nails to install batten with hook in the room surrounded by the ground . The layering fixing method. The method of the seam between the carpet and the carpet is that the laying of the carpet mainly has two kinds of fixed and non fixed. Paste the carpet and a leveling layer, this is more suitable for room decoration which not often change room