In the grinding of the wall we often use velcro sandpaper, today we specifically talk about how to use brushed sandpaper to polish the wall.
what tools should be prepared for wall grinding?
1. Wall drawing sandpaper: Choose the normal 80-120 sandpaper.
2. Sander or manual sandpaper: Sander can greatly reduce the intensity of human labor, manual sandpaper can also be completed, but laborious and low efficiency.
3. Gray sanding cloth: Prepare a clean cloth for wiping the wall.

What are the polishing steps?
1. Wall cleaning: clean the ground where the construction curing degree reaches more than 5 days. Use vacuum cleaner and other appliances to clean the dust and stains on the wall.
2. Wall repair: the wall has obvious depression, it should be filled, and the filled material is dry, grinding the surface to make it smooth.
3. Sanding coating: Use a sander or hand sandpaper to polish the wall, first use No. 80 brushed sandpaper for preliminary grinding, and then continue to use No. 120 sandpaper for more detailed grinding. Note that the grinding should be uniform, not only biased to one side, and the scope of the grinding should be larger than the scope of the paint, which can make the paint better adhere to the wall.
4. Clean the wall: gently wipe the wall with a gray polishing cloth to remove dust, debris and other debris.

what matters should be paid attention to when grinding the wall?
1. Take protective measures before operation, such as wearing gloves and masks.
2. Before using sandpaper, try it and spray it with water to see if it is suitable.
3. The number of sandpaper for polishing the coating should be determined according to the condition of the wall and the type of coating.
4. Pay attention when polishing, the wall should be polished evenly, and do not exceed the area that needs to be coated.
5, grinding machine grinding wall, should pay attention to whether the power is too large to damage the wall, but also check the set speed.
This article focuses on the basic tools, steps and precautions of wall sandpaper grinding, hoping that readers can master these skills to make your wall more smooth and beautiful. If you have any other questions, please leave a message.








