Maintenance of mosaic background wall 1. Check the details After finishing paving all the wall,the bonding layer drying and finishing the pointing,then check it again.Use the wet and clean soft brush to bring out the floating sand that are left in the crack.And the cement mortar should be pointed smoothly,then clean it with cloth.Finally,make a deep cleaning when the adhesive layer and filling mortar are all dried. 2. Keep air-dry After the completion of paving mosaics,we should pay attention to protect the finished product,that is keep properly air-dry. The surface of the paving should be avoided sun exposure,keep air-dry of the room beyond 24 hours.Generally the day of late maintenance is not less than one week. 3. Clean