New house wall cracks are a common cause of common problems. There are many reasons for this. It may be that the wall is too thin. It may be that the wall cement is not dry enough to be coated with cement paint. It may also be a problem of the original building structure, or it may be too hot inside the top-floor residential building. It is best to find out the reason together with the decoration company or construction personnel. Of course, if too many cracks cannot be repaired one by one, there is a better remedy. You can go to the market to buy paint-specific linens, attach the linens to the wall with white glue, and then apply the cement after drying. Paint, in this way, generally guarantees that the wall will no longer have cracks and will act as a solid wall.
Five conditions lead to wall cracking
Wall cracks are the most common problems in home improvement. After the accumulation of hundreds of home improvement projects, the reasons for five types of wall cracks are summarized:
1. There is a crack in the insulation layer of the original house, which results in the cracking of the wall surface after renovation;
2. Improper repair of the wall after slotting, resulting in cracks on the wall surface;
3, when the plastering cement ratio is not accurate, the ratio is high, it is easy to crack;
4, the wall putty is not properly matched or scraped uneven;
5, the proportion of latex paint and water is not suitable;
These non-standard operations will lead to cracking the wall.
If it is a light partition wall, it is generally used Dacron cloth or kraft paper, and the partition board itself is also prone to small cracks. Therefore, in order to minimize the cracking phenomenon in home decoration, it is best to paste it with good cloth or beanbag cloth if it is a bearing wall. Or solid wall, cracking may be due to the construction of putty is too thick or short putty time is not dry, the old house is converted to leveling the wall there are more than this situation.
For the old wall surface, the original foundation putty and paint are required to be removed during the construction, and the primary layer treatment is performed again, and then the brushing is performed.
In the construction of the wall, attention should be paid to such issues. The first is the ratio of cement and sand. The best ratio is 1 to 3. Improper proportioning will affect the toughness and tension of the wall. Then there is the need to identify the putty and The proportion of latex paint, when brushing latex paint, the water will increase the problem will occur. The circuit transformation must start with the carpentry foundation, because after the slot to allow time to repair, cement mortar drying speed, shrinkage and putty powder is different, the first repair will appear after the contraction sinking, etc. when the wall construction It is also necessary to perform secondary repairs in order to level the wall and avoid cracking. When the color wall paint cracks and other issues, the effect of local repair is often not good, because the color wall paint repainting will appear significant color difference. If the insulation board is cracked, use a putty knife to cut the cracks as deep as possible, fill in the plaster, be sure to fill in the plaster, fill it evenly, and then use a bandage, bean bag cloth or white cloth to stick the cracked place, and then dry it. Putty or do other processing. If the crack is serious, you can also use kraft paper or newspapers to make joints, and the effect is better.
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