How to make the wall surface not crack and tile not empty?

Oil workers can handle this situation. First, cut the cracked wall along the seam with a putty knife to form a small splayed groove; Then, fill the joint with quick dry powder; Then sew with sewing thread; Finally, apply water-resistant putty locally, and then brush the paint twice after drying. After such treatment, it will generally not crack again. The main index of wall and floor tile acceptance is the empty drum rate. A large area of empty drum is unqualified and must be removed and pasted again. In line with the principle that whoever constructs is responsible, all losses are of course the responsibility of the decoration company. Tile hollowing can be repaired by the following methods: 1. If the mortar is not loose and only the tiles are empty, the mortar adhered on the back and around the tiles can be scraped clean, and then a little cement is mixed into the 107 glue to form a paste, and a thin layer is evenly coated on the back of the tiles, so that the tiles can be tightly bonded. Second, if the mortar is dropped together with the ceramic tile, first slightly chisel some pits on the original foundation surface, and then re-paste it with mortar mixed with 107 glue, or mix cement, E-44 epoxy resin, acetone and ethylenediamine at the ratio of 5:3:2: 1, and then brush a layer on the foundation surface with a brush. Methods to prevent hollowing of ceramic tiles: 1. It is required that the bonding layer of cement slurry should be evenly coated, and the coating time should not be too long, so as to prevent the surface layer from separating from the base layer and causing bulging. 2, in strict accordance with the mixture ratio of mixing mortar, can't add water at will, mortar to use harsh, general thickness control in 2-3 cm is advisable. 3, the shop is stuck floor tile, should clean up the dust on the back, water wet, ensure its good bonding. 4, the shop is stuck floor tile, four corners at the same time, hard pressure, make it parallel to the mortar contact surface, and 2-3 cm higher than the guy, reoccupy wooden hammer or rubber hammer, leveling with a spirit level. After laying one piece, lay it to both sides or backwards in sequence. If subsidence is found, the tiles should be lifted and leveled with mortar before laying. You can find the decoration highlights of Changchun in China Good Home: /msglist/ 1703/