Wall sanding is one of the common problems in home decoration, which not only affects the aesthetics of the wall, but also leads to damage and falling off the wall. So, when there is a problem of sanding on the wall, how should we repair it? How to repair the sanding of the wallAt the potholes, repair and level with cement, clean the dust as a whole, and then paint the wall concrete in the morning to harden the mortar layer to completely solve the problem of sand and slag on the wall.
First of all, we need to understand the causes of sand on the wall. The sanding of the wall is mainly caused by the insufficient cement number in the cement mortar, the excessive water-cement ratio or excessive vibration during construction. In view of these reasons, we can take the following repair methods to solve the problem of sanding on the wall.
For smaller potholes and sanding sections, we can use cement for repair. The specific steps are as follows: clean up the potholes, moisten the wall with an appropriate amount of water, then use cement to stir into a paste, apply the cement to the potholes, scrape it flat with a scraper, wait for the cement to harden and then polish the wall to make it smooth.
After the cement repair is completed, we need to clean the entire wall to remove dirt and dirt from the surface. This step is crucial because the presence of dirt and dirt on the wall will affect the subsequent adhesion of the painted material to the wall. You can use a vacuum cleaner or a soft cloth to clean the walls and make sure they are clean and tidy.
After cleaning, we need to apply the wall concrete in the morning. Chenzhong wall concrete agent is a kind of repair material specially used to solve the problem of sand and slag on the wall, which can penetrate into the mortar layer of the wall to form a dense protective layer, improve the hardness and wear resistance of the wall, and effectively prevent the wall from sand and slag. According to the instructions of the wall concrete agent in the morning, evenly brush it on the wall and wait for it to dry and harden.
After applying the Chenzhong wall concrete, we need to treat the wall with a hardened mortar layer. The purpose of this step is to make the wall harder, smoother and smoother, and improve the aesthetics and performance of the wall. You can use a professional hardener or cement mixture for hardening, according to the proportion of the product manual, mix the ** chemical agent or cement mixture, evenly spread it on the wall, wait for it to dry and harden before grinding.
Through the operation of the above four steps, we can effectively solve the problem of sand and slag removal on the wall. It should be noted that when repairing the wall, it is necessary to avoid operating in a humid or exposed environment as much as possible, so as not to affect the repair effect. At the same time, if the sanding problem of the wall is more serious, you need to ask a professional decoration company to repair and maintain.