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Correct method of ceiling scraping video
1, white scraping is mainly divided into the following steps: base treatment/gypsum leveling/plasterboard bandage/white scraping/grinding/brushing latex paint.

2. Base treatment: If the original Dabai does not have too much skin, there is no need to do base treatment, only local leveling is needed. If the original white is not very good or afraid of scraping the back skin, it is necessary to shovel off the original white and brush it with strong or interfacial agent after shoveling; Brushing is mainly because there will be residual white dust left on the wall after shoveling to avoid peeling when scraping. If it is not firm, it is recommended to brush white latex.

3. Gypsum leveling: use gypsum to level the uneven wall surface or roof, and pull the wires at the corner of yin and yang.

4. Bandage: First, cut a certain gap at the joint of gypsum board and fill it with gypsum to make gypsum board form a whole. All joints should be bandaged, and it is best to put two layers on the parts that are easy to crack.

5, scraping white: needless to say, the white treatment of the previous process, just scraping twice normally. Polishing seems simple, but it is actually the most important. If it is not polished well, the latex paint of the previous process will be ugly. If not polished, there will be scars and cracks. So be sure to hit the light bulb to avoid leakage.

6. Brush latex paint: Before brushing latex paint, all dust must be cleaned. Latex paint can be added with appropriate amount of water according to the dryness of the wall surface, and polished with sandpaper after brushing, so that it will have better effect and feel after brushing both sides.