What are the precautions for wall plastering construction?
Wall plastering cement mortar base treatment: scrape out the protruding concrete first, then water it to moisten it, then use 1: 1 fine cement mortar mixed with 20% water by weight 107 glue, spray or use a broom to throw the mortar on the top and the wall (concrete wall) until the cement mortar bumps are completely attached to the concrete glossy surface. Before this process, nail steel wire mesh (width 300) at the joint of concrete and brick wall; Straighten, find the square, find the rules and paste the ash cake: according to the flatness and verticality of the base surface, determine the thickness of the plastering layer after inspection. Cement mortar of 1:3 should be used for ash cake, and the horizontal distance should be changed to 1.2- 1.5m or so; Surface screed: screed according to 1:3 cement mortar for ash cake, and the number of screed is determined according to the height between layers; Corner protection: According to the ash cake and screed, the corner of doors and windows, the external corner of walls and cylinders shall be plastered with cement corner protection, with a height of not less than 2m and a width of not less than 50mm( 1:2 cement mortar). Priming: Generally, the wall should be thoroughly watered with water the day before plastering. Brush 107 colloidal cement first, and then make the base. The bottom ash shall be 1:3 cement mortar. Should be layered and screed screeding, leveling with big poles, find straight, wood trowel if flat if hair; Cement mortar overlay: The next day after the bottom mortar is plastered, the wall surface can be wetted first, and then the overlay work can be carried out. Using 1:2 cement durafiber mortar overlay (0.9Kg durafiber /m3 cement mortar), leveling and straightening with large poles.