How to deal with cracks in the wall of new house

1, for masonry structure, if the external temperature changes, the temperature deformation between the floor and the masonry will become uncoordinated, and the masonry will produce temperature stress. When the temperature stress exceeds the limits of tensile strength and shear strength, temperature cracks will occur in masonry. Stick non-woven fabric, PVC grid cloth, etc. On the crack, then paint, repair with paint. 2. If the surface paint film cracks, you can polish it with fine sandpaper at the crack, and then brush the latex paint again. Related knowledge: 1, structural cracks are expansion joints between structural walls and brick walls that extend to the wall. After such cracks appear, find professional building structural personnel to take corresponding measures according to the actual situation. During maintenance, the base should be thoroughly removed, the cracks should be cleaned, and then filled with epoxy resin until it is filled. The crack surface is reinforced with carbon fiber anti-crack cloth, and finally the putty is scraped to repair the latex paint. 2. Cracks in the cement paint layer are generally caused by the incorrect proportion of cement and yellow sand when painting the wall. Reducing the amount of cement will lead to cracking of cement mortar paint layer and latex paint. The solution is to repair this kind of crack, as long as the putty layer is removed to expose the crack inside, and then the carbon fiber anti-crack cloth is directly attached. If there is a large area of empty drum in the plastering layer, the original plastering layer should be knocked off and a new plastering layer should be made with cement mortar. After leveling, paste paint or wallpaper according to the normal process. However, the price of this treatment will be a bit high.