Because the classroom has been used for a long time, or the painting process of the classroom is too difficult, it is easy to cause cracks on the wall and seriously affect the aesthetic feeling of the classroom. It is not good for a long time. Then, do you know how to repair the cracks on the wall and why there are cracks on the wall? Let's take a look at the first grade math wall repair.

How to repair the cracks in the wall in the first and first grade mathematics? 1, chisel the cracked wall to expose the putty layer, and sprinkle water on it to keep it moist. ?

2. Apply interface agent to the wall to ensure symmetry, and then paste the seams with white latex; ?

3, blow putty, need to choose a putty with high particle fineness and hard texture, and polish it after drying.

4. Debug the primer, add as much water as possible, and then brush it on the wall.

Second, the reason for the cracks in the wall of the first grade math repair: 1, when the developer builds the building, cracks will appear in the insulation layer of the building due to technical or material problems. It is easy to cause wall cracking after decoration. In this case, you must contact the developer in time.

2. In hydropower engineering, it is necessary to slot and bury pipes in the wall. Later, due to improper repair or painting of the wall, it is very likely that the wall will shrink after painting and produce cracks.

3. In the plastering stage, due to the problem of cement ratio, if the ratio is too high, cracks will occur after the wall is painted.

4. When painting the wall, putty can't be evenly coated on the wall, and it is easy to crack later. At this time, the painter will scrape the putty again.

5. When preparing latex paint, too much or too little water is added to make the proportion uneven, which affects the paint quality and leads to wall cracking.

My summary: The above is an introduction on how to repair the first-grade math wall, hoping to help everyone. If there are cracks in the wall, find out the reasons as soon as possible and deal with them in time to avoid delaying for a longer time. Cause a bigger problem. Thanks for reading.

Tubatu Online provides you with "every decoration quotation, 1-4 local decoration companies, 3 sets of decoration design schemes" and the decoration pit avoidance strategy for free! Click this link:/Zhu Ye /zxbj-cszy.php? to8to _ from = SEO _ zhidao _ m _ jiare & amp； Wb, you can get it for free ~