There are a lot of cracks in the walls of my home, how can I fix them?

There is a repair paste for repair sold on the Internet, so you can buy it and use it yourself. But there are only white wall models.

Use putty powder to patch the gaps, and then scrape the big white basically covered, if it is the crack of the wall, it can not be repaired, only this method can cover it, if not, scrape the wall skin, re-brush.

You can buy some wall plaster from the supermarket and find one with the same color as your own wall. Fill it in the crack and scrape it flat against the wall.

Use wall plaster. It's very convenient. There are now a wide variety of wall plasters on the market. Available in a variety of different colors. There are toothpaste-like ones. There are barrels. The barrel is suitable for use with a brush.

Appropriate corrective measures can be taken, the non-woven fabric can be glued in the cracks, the PVC mesh cloth or putty can be pasted with mortar, and then repaired with paint. Wall structure crack treatmentLatex paint crack treatmentPutty layer crack treatmentIf there is a large area of vacuum gypsum layer, the original gypsum layer must be removed, and the cement mortar must be made again, and then the gypsum layer is flattened and painted according to the normal process. If there are only large cracks, no sanding, and the hollow drum is emptied, you can use a good cloth to stick to the wall, and then apply it according to the normal process, or paste the wallpaper.

If the wall of the home is cracked, it is necessary to mix cement mortar to fill the wall joint, and at the same time, the wall should be reinforced with fine barbed wire, so that after repair, there will be no cracks on the wall. Then you can re-decorate the wall.

Because the walls of the home are always cracking, it is a problem with the quality of the house, so you should contact the developer and ask for repairs.

What are the causes of cracks in the walls? The irrational design of the house leads to cracking of the walls. In general, the resulting cracks are straight lines and the cracks are relatively deep.

Renovators usually only fill in the cracks in the walls during the treatment process, but this does not guarantee that they will not crack sustainably at a later stage. The proportion of materials is not appropriate, and the decoration of the wall needs to be applied to a variety of materials such as cement, yellow sand, putty, latex paint, etc., if the proportion of these materials is not appropriate, the effect may be greatly reduced, and the wall will crack and other phenomena. The quality of the materials purchased before construction does not meet the specifications, or the construction process does not meet the construction requirements.

General wall crack treatment method: we use a putty knife to scrape out the width of the gap with a figure-eight shape, and the outer width is narrow. Then plug the gaps with gypsum dry powder, and the charging depth is not less than about 30-40mm, which is about lower than the wall.

Then glue is applied to the gaps, and then glass cloth or kraft paper strips are pasted. Scrape the 821 putty 2-3 times, apply it flat with the original wall, and wait until it is dry before smoothing it with sandpaper. The wall paint can be adjusted according to the original wall color, and the paint is painted until the color is similar.

At this point, the entire wall crack treatment is completed. Wall structure crack treatment method: wall cracks caused by wall structure cracks, it is necessary to find professional building structure personnel, according to the cause of cracks in the wall structure and the degree of cracks, to formulate professional solutions.

How to repair cracks in the wall? For the repair of wall cracks, we have to deal with the actual situation, in the face of different crack causes, the repair methods are also slightly different, which can be roughly divided into the following repair methods: paint layer cracks:

This situation is mainly caused by material reasons or improper construction technology. Solution: If there are cracks on the surface, you can sand it with sandpaper and paint it with the same color.

Settlement cracks: If the foundation is lowered and the settlement is uneven, cracks may appear in the wall. Workaround:

Repair with cement mortar or cement mud.

Putty layer cracks: If the putty layer cracks, the surface is prone to cracks. Workaround:

Cracks in putty must be avoided during construction. During construction, if the crack has reached the putty layer, it can be made bigger with a sharp tool, then polished with gypsum, and then pasted with mesh cloth or kraft paper, and flattened with putty. Cracks in the wall structure:

After the structural layer of the wall itself cracks, wall patterns will appear on the wall, most of which is because there are cracks in the original wall, so maintenance measures will also be taken in the later decoration process. Solution: Find a professional building structure personnel to repair the actual cracks in the wall.

Cracks in the mortar layer: The cracks in the mortar layer are generally caused by the shrinkage of cement mortar, or by the inappropriate materials and construction technology. Workaround:

If it is a large area of hollow drums, please pat the original mortar layer and follow the procedure again.

When cracks appear in the wall, you can scrape putty, and you can repair the cracks by scraping the putty.

If the crack is very small, you can repair it with cement or lime yourself. If the crack is particularly large, you should ask a professional master to repair it at this time.

It should be to use some white putty powder, and then paste it directly, or you can use some plaster, which is very good.

The causes of wall cracks and how to repair them are as follows;

There are cracks in the wall for the following reasons;

1. The treatment of the grassroots is not in place. This mainly refers to the old house that has been lived in for a long time, when the wall is renovated for the second time, because the debris on the old wall is not cleaned and the wall is directly painted, which is very easy to cause cracks in the wall or even evolve into more serious cracks.

2. The putty layer is too thick. When scraping putty, you generally need to scrape three times, the number of times is slightly more, but it is necessary, which requires the person to be patient and careful, to keep it within the standard of 2mm, otherwise if it is too thick, the wall will easily fall off in the future, and when scraping putty, you must wait for the putty to dry thoroughly before you can continue to the next time, if it has not dried, then continue to scrape, that will also bring problems to the wall. Therefore, scraping putty is a very important link.

3. The proportion of materials is improper. When building walls and painting walls, it will involve the ratio of cement and sand, putty, latex paint and water, which have certain ratio standards, so when proportioning materials, they must be carried out in strict accordance with the standard requirements, otherwise it is easy to cause wall paint cracking.

The steps to repair cracks in the wall are as follows;

1. Use a putty knife to scrape out the width of the gap, and scrape it into a figure-eight shape, with the outer width and the inner narrow.

2. Fill the gap with dry powder of gypsum block, and the depth of the plugging is greater than or equal to 30-40mm, which does not need to be filled with the wall, and needs to be lower than the wall.

3. Paste glass cloth or cowhide notes after brushing glue in the gaps.

4. Scrape the putty 2-3 times and smooth it with the original wall, and polish it with sandpaper after drying.

5. Adjust the wall paint, brush the sample first after the paint is adjusted, compare it with the wall color after drying, the color is close, the color difference is not large, and then paint the wall.

6. If there are only small fine cracks on the wall, it can be covered with paint; If the crack is relatively large, it needs to be covered with putty and then covered with paint; If the crack is large and deep, you need to shovel off the original putty and fill the gap with elastic putty again.

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How to repair cracks in the wall is a common problem, but it is also necessary to distinguish the situation before taking measures. Generally, the plastering layer, wall paint layer or wall structure layer is prone to cracks. Cracks in the paint layer are easier to solve, sanded with sandpaper, and then applied with the same color topcoat.

If the crack starts from the plastering layer, the wall needs to be razed to the surface of the plastering layer, then repainted with cement mortar, and then repainted according to the latex paint process. If there is a crack in the structural layer of the wall, then you need to find a professional to inspect the specific structure of the house. Usually there are large-scale cracks in the home, it is recommended to find a professional team to check and remedy, such as the Nippon Paint Refresh Service team, they will use professional tools to detect wall problems, and then give a specific construction plan.

After signing the contract with the owner, it will come to the construction according to the agreed time, will help move the furniture, do the shelter protection, and after the construction is over, it will not be a walk, it will help to return the furniture to its place, clean up the site, and finally Nippon Paint refresh There is also a set of professional acceptance standards to facilitate the owner's acceptance results. In addition, if you want to take this opportunity to refresh other areas related to the wall, such as curtains, now Nippon Paint Refresh also expands to provide curtain refresh, including basic and upgraded 2 types, which will improve the refreshed home decoration from the three dimensions of fabric, style and texture, so that the living environment is more coordinated, more environmentally friendly, safer and smarter

The impact on the safety of the building structure is not large, this crack only affects the appearance of the indoor building, will not affect the safety of the building, some remedial measures can be taken appropriately, glue non-woven fabric at the crack, paste PVC mesh cloth or plug it with mortar, and repaint it for whitewash repair. Wall cracking, wall paint cracking is the most common and easiest way to repair. Cracks in the paint layer mean that there are cracks in the outermost paint brush, because in this case, the quality of the paint layer used in the decoration is mostly not good.

It may be caused by the paint technology of the decorator who did not reach the specified position. If you really want to repair the cracks in this part of the wall, the most suitable way to repair it is to scrape off the original paint layer and then repaint this part of the wall. If it is a large area of indoor wall cracks, it may be caused by moisture in the wall.

After scraping off the original paint layer, you can brush it first"Solid wall adhesive"to form a layer of wall surface"Waterproofing layer", then blow putty on the waterproof layer, and then brush the paint. Repairing cracks in this paint surface is very simple, first smooth the paint surface with sandpaper, and repaint the selected paint color with the paint surface.

Correspondingly, it is best to choose some paints when decorating your home. Please ask a skilled master to operate at the same time, so as to ensure the quality of home paint decoration. But we have to do some preparation work before filling, because the wall cracks are caused by the uneven dry humidity of the wall, so be sure to dry the wall near the cracks, and then do not use good paint, directly paint into the cracks, and then use sandpaper for sandpaper.

Your house should be an old house, right? The main causes of wall cracking:

1.Grassroots separation:

A Due to the long-term use of the wall of the old building, many times by the impact and vibration of the outside world, the local wall base and the wall detachment.

b Another reason is that the indoor humidity is large, so that the wall is damp, and after drying, it will be deformed and detached. When decorating the wall, only remove the surface putty. When doing the wet operation of scraping putty and surface coating, the base layer is damp and produces local expansion and deformation, and the shrinkage deformation after the wall is dry will crack the paint surface layer.

2.The moisture content of the wall is large.

If the moisture content of the base layer is too large or the base layer does not reach the curing time, the putty scraping and surface painting operations will begin, and the wall will crack after drying. This is due to the fact that the wall base material and the surface material are different, and the drying speed is different, resulting in different shrinkage and deformation and cracking of the surface layer. This situation can be avoided as long as the construction is carried out in strict accordance with the decoration construction specifications.

Several commonly used treatment methods for the cracking of the old building wall:

1.At the beginning of the renovation of the old building, all the walls should be carefully tapped, and the parts of the knocking sound should be marked. Under normal circumstances, there is a phenomenon of detachment from the bones.

If the area of the separation is small, the base can be removed, but remember not to use a hammer chisel. Use an electric cutter to slowly cut to the depth of the wall and remove the bone-free base. Re-do the base (cement, mortar or other materials) of the place according to the practice specified in the original base material.

Before plastering, the wall should be properly moistened, and the plain cement slurry should be brushed, and the base plastering should be carried out after drying to a certain strength. The thickness of the plastering should not exceed 15 mm at one time. After the base layer is dry, paste the nylon bandage at the junction of the old and new base layers, and then scrape putty on a large area to level it.

When the moisture content of the wall reaches the specified value, the surface layer is painted.

2.For the crack treatment at the interface between the filling wall and the wall of the construction hole on the wall, the base layer on both sides of the crack should be removed by about 150 mm, the steel wire mesh should be fixed with expansion bolts, and the layer should be plastered to the thickness of the original wall base layer in layers, and the finishing layer construction should be carried out after drying.

3.If the area of the separation bone is small, the parts are more and scattered, after obtaining the consent of the homeowner, the base layer of the separation bone can also be omitted, and the surface can be pasted with cloth-based wallpaper.

4.If the area of separation from the bone is large, it is easy to fall off after long-term use, which affects the safe use, and the old wall base must be completely dismantled and redone.

5.The hemp ash base of some wall partitions can be removed and replaced with paper gypsum board (cement board). Then do the finishing layer.

6.If the bone-free part is less than 1 meter, you can also make a wainscoting (wall skirt) to cover it.

Cracking is generally caused by the construction of two materials or the same material at different times, sometimes because of the sinking of the foundation, and so on. When treating, the cracks are treated first according to the original wall material, and then painted with raw materials.