How should putty be scraped to be flat?

1. First of all, when choosing putty, you should choose carefully, you need to meet national standards, remember not to be greedy and buy inferior putty, otherwise it will lead to peeling, empty drums, and falling off on the wall.

(When scraping putty on the wall, pay attention to the use of different putty for the internal and external walls).

2. To understand the ratio of putty and water in advance, putty powder in the water, to water first, putty powder, stir evenly into a shape.

3. Before scraping, use tools to clean up the dirty things and garbage on the wall, and deal with the base layer of the wall, if the wall is not clean, it is also one of the important reasons for uneven putty.

4. The first time to scrape putty, the middle can not stop, need to be done in one go. If the wall is too large, then it is necessary to scrape putty in pieces, and similarly, each piece of area must be scraped in one go.

5. The second time to scrape putty, you must wait for the first time to dry naturally before scraping the second pass, the direction of the first pass and the second pass should be vertical.

6. The total thickness of the putty after scraping the putty twice does not exceed 5 mm. If this thickness is exceeded, it is easy to cause the putty to be too thick and the dryness of the wall is inconsistent, resulting in cracking.

7. After scraping the putty twice, you need to wait about 1 to 2 days to dry before you can continue the follow-up work.