What is used to repair the crack of the wall and not crack again? On what basis?

Treatment of cracks in insulation boards. Use a putty knife to cut the crack as deep as possible and fill it with plaster. Pay attention to be sure to fill it up and fill it evenly. Then use a bandage, bean cloth or white cloth to paste the cracked area, dry it, and then scrape putty or do other processes.

The reason for the cracks after the trunking is that the drying speed and shrinkage rate of the cement mortar are different from the putty powder, and the putty on the surface of the wall has been dried, and the cement mortar inside has not dried thoroughly, so cracks appear. Therefore, the effect of gypsum powder for the wire repair duct is better.

3.Cracks can also occur if the wall putty is scraped too thick at one time, or if the thickness of the entire wall is too different. In severe cases, it will also fall off.

If necessary, you should scrape several times, each time thinner and longer. However, it should be noted that the putty is scraped more times and is easy to fall off.

You can hang the net, and then use some gypsum to repair, which will be more beautiful, if the crack is relatively small, you can directly use some latex paint to solve.

Cracks in the paint layer. In the case of wall cracking, cracking of the wall paint layer is the most common, and it is also the easiest to repair. Cracks in the paint layer mean that there are cracks in the paint on the outermost part of the wall, which is mostly due to the poor quality of the paint used in the decoration, or the painting process of the decoration master is not in place.

Cracks in this paint are easy to repair.

Hang wire mesh on the surface of the gap. The steel wire mesh should be fixed with steel nails and the wall. Surface plastering.

That is, the surface of the steel wire mesh is re-plastered, so as to complete the repair of structural cracks. If there is a crack in the main body of the wall, it must be treated with a wire mesh. The mesh used must be steel wire mesh.

Like the mesh cloth used by painters, it is too narrow, and the tensile resistance is not wall, so it is only suitable for use in places where there is no force and the cracks are relatively small. You can enlarge the cracks slightly, rinse them with water, then use cement mortar to level the brick wall, then cover them with fiber nets, and then flatten the decoration surface with water mortar, and make a putty layer after drying to ensure that you don't have to worry about it.

Under normal circumstances, the repair of wall cracks is made of plain ash, that is, pure cement slurry, which has a large adhesive force. Clean the surface of the wall, then wet the cracks inside with a needle or something, and then plaster the plain plaster. If there is a slight settlement in the house, the cracks may appear again after half a year after the repair, and the cracks will not stop if the house does not sit firmly.

The gypsum board L-shaped cutting board method is adopted to deal with the gypsum board splicing gaps at the four corners of the ceiling. The reinforcement of gypsum board cannot be reinforced by air nail gun, but must be reinforced by self-tapping screw implantation.

Scrape the steel wire mesh into it with gypsum powder, and then dip a layer of white cloth and bandages on it after it is completely dry, and finally scrape the putty on both sides, and when it is dry, polish the latex paint even if it is completed, and the record of cracks is still very small. Make a soft package: add a layer of Ozon board, which will hardly crack again in the later stage, but will reduce the distance between the rooms, and the cost is also high.

If the crack is very slight, then I suggest you buy a little quick-drying powder, shovel the crack, and then scrape the quick-drying powder with a batch shovel, and after drying, hit it with sandpaper and paint it.

Of course, if you find that the load-bearing wall is cracked, then it is recommended that you go to the developer to solve these problems, because it is related to the safety of the house in the later stage, after all, the cracking of the load-bearing wall is not a trivial matter.

If it is said that the wall latex paint surface has cracked, then in this case, it is generally the crack on the surface of the wall, and the reason for its cracking is because the quality of the wall paint product is not up to standard, and there is a possibility that it is caused by incorrect operation in the construction process, in this case, it is relatively easy to deal with, only need to use fine sandpaper to polish the crack off, and then choose the same color to brush it again.

If the structural layer of the wall itself is cracked, the joints of the wall are easily affected by external forces, resulting in changes in gypsum board and prefabricated board, and eventually leading to cracking of the wall. If this is the case, you can negotiate with the property and wait for the cracks on other floors to be dealt with before repairing. It is recommended to choose the whole building deformation to stabilize after the repair, generally speaking, such as the repair in a short period of time is also more likely to appear repeatedly.

Yixiu fast installation reminds you that there are many reasons for wall cracks, and you must choose the best repair method according to the cracks.

If the crack in the wall is not very serious, you can use sandpaper to sand off the cracked area, and then use a latex paint brush, if the crack is very serious, you can only ask a professional to check it to see how to repair it.

Personally, I think that the wall is cracked, and it will be better to use a special material to repair the wall at this time, after all, I think that this way can I find the real purpose of repair.

Patching with putty is best. Because this method of patching is the easiest and least costly, it doesn't take too much time.

It is best to use cement to repair it, and it will last for a long time after repairing, and it will not leak rain or crack on rainy days.

If it is only the surface of the putty layer cracked, then the cracked part and the surrounding area can be scraped off and the putty powder can be re-applied. If it is more inside, you can chisel a part of it and re-paste the cement.

Cracks can be caused by blasting during construction, water leakage or disrepair. The cracking of the wall will have a greater impact on the overall aesthetics of the house, and putty powder can be used to repair the cracked place, which can achieve a more ideal effect. After repair, it is also necessary to pay attention to the maintenance of the cracks, so that they can be maintained for a longer time.

Repair with latex paint putty powder. There is a special wall repair paste for wall repair, the construction is very simple, squeeze and scrape, and then wait for it to dry on its own.

Some houses will have cracks in the wall after a long time, and the cracking of the wall is a headache, such as improper treatment will cause a large area of cracks, so the cracks should be repaired as soon as possible. I'll just talk about itHow to repair cracks in the wallSome questions.

1. There are cracks on the surface of the wall: crush the cracks with fine sandpaper, then clean and repair, and then sweep the walls with the same brush.

2. Cracked wall structure: This kind of crack is difficult to repair. Seek a professional for repairs.

3. Cracks in the plastering layer: due to the small crack area, use a good cloth and then paint, because the cracks in a large area must first hit the plastering layer, and then paint horizontally.

1. Choose high-quality materials.

When repairing cracks in the walls, choose high-quality eco-friendly products when choosing materials and use them strictly according to the instructions. Since different products have different regulations on dosage, as excessive dilution can affect the repair effect.

2. Reasonable disposal of the original wall.

If there are cracks in the walls of the old house, our advice is to remove the original renovation and then proceed with the construction. If the crack occurs in a new house, we will do a local treatment and repair it only. However, the original wall was completely demolished, which was a lot of work and high maintenance costs.

As a result, some owners disagree with this practice, which increases the likelihood of subsequent cracks.

3. Strictly control the construction process.

When repairing cracks in a wall, the repair steps must be followed. In general, the repair step is to make an interface agent, then treat the crack with plaster, then apply the fabric, and scrape the putty into powder 2 or 3 times. Finally, brush the primer and topcoat.

When using the interface**, it must be adjusted according to the manufacturer's instructions. If too much water is added, it can cause cracks.

Editor's summary: The above is about:How to repair cracks in the wallI hope it will be helpful to most friends.

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After renovating a new house, you often encounter the problem of cracks in the wall. I believe that many friends will encounter cracks in the wall, and the repair of cracks is very important, and they will crack in the future. So what should I do if there is a crack in the wall?

How should we repair cracks in the wall? Here's a brief introduction to how to repair cracks in the wall.

What to do if the wall cracks.

1.If you find a crack in the wall of your home, you should first find the cause and then solve the problem one by one according to the cause. The main reasons for the cracks are: the base is not firm, the wall is too thin, the structure of the house is unreasonable, and the wall is not dried to paint the cement!

2.After finding the cause of the cracks in the wall, you can prescribe the right medicine, and take different measures to repair and treat according to different causes.

3.If the base is not solid, it is necessary to remove all the base and renovate the base layer; What's more, the cracks in the base layer of the wall are too large, which will seriously affect the safety of the family's life, and it is necessary to find the relevant real estate company to deal with it.

4.If the base layer is firm, you can first observe whether the cracks under the crack have a tendency to expand, if not, you can directly use gypsum powder to repair it directly; If the crack is constantly expanding, it can be repaired with polymer repair mortar!

5.If you can't take the time to fix these cracks, you can directly use wallpaper to decorate the wall to cover up the cracks. But it should be reminded that this method of covering your ears and stealing the bell must be used with caution.

How to repair cracks in the wall.

Method 1: If the depth of the wall crack exceeds 1cm, the cement mortar is preferred to repair the wall crack.

Method 2: If the cracks on the wall are relatively small, you can directly take the steps of brushing adhesive cloth to make putty. Before brushing, the wall substrate at the cracks in the wall is cleaned, and a layer of newspaper or good cloth is pasted, and the tension of paper fiber or cloth fiber is used to ensure the integrity of the latex paint.

Method 3: At present, there is a kind of "elastic putty" on the market**, which can be directly selected in the wall decoration to make up for the problem of wall cracks. However, the elasticity of this putty is not very large, and if it encounters a crack with a relatively large area, it will not work.

If there is a crack in a large area, the crack will be chiseled into a "U" shape on the wall base, and the spacing of the "U" groove is greater than 20cm, and the chiseled base will be chiseled, and then the steel wire mesh will be hung. According to the cracking area, the subsequent repair is decided. The cracking area is small, the loose putty around is shoveled down, the dust is cleaned up, and the gypsum powder is added with an appropriate amount of water to stir evenly to smooth the cracked wall.

Now because there are many cracks in the wall due to flooding and dampness, especially in the self-built houses in the countryside, there are many self-built houses that are not waterproof on the exterior walls, resulting in water immersion on the wall of the north when the wind and rain, it is recommended to do waterproofing on the outer wall when repairing the house, so as not to repair it later.

ForWall crack treatmentIn fact, there are some tips in lifeCracks in the wallBecause the structure of the wall itself is not a big problem, the main thing is that the base is not firm or the latex paint is cracked, pay attention to the selection of materials: in addition to using a little putty (including elastic putty), it is best to choose brand latex paint, because brand latex paint has more series of choices, including good elasticity, strong hiding power, and not easy to produce cracks.

<>Then clean the wall or the crack between the wall and the concrete wall, fill the gap with styrofoam, but do not protrude from the gap, reserve 20mm; If the putty layer cracks, it is also easy to cause cracking in the surface layer. Therefore, it is necessary to pay attention to avoid cracks in the putty layer during construction. If it is a structural crack, then the general reason is that the strength of the masonry is small, so it is necessary to reduce the load of the superstructure, or add a stiff concrete beam in the top masonry to bear the upper load.

Paste a carbon fiber anti-crack cloth on the surface of the gap for reinforcement, and after all this is completed, you can scrape the putty for latex paint repair. Another is to remove the insulation board on the surface of the wall, or the cement wall can be removed, and a layer of gypsum board or "five-centi-board" can be installed on the outer wall of the insulation layer, and finally latex paint is made on it.

This is due to excessive pressure in the wall, or due to excessive gravity, so cracks may occur. In such a situation, you should find professional workers to repair the wall joints in time.

Because when you ventilate the putty, the wall will crack when it is dry. The way to deal with it is to re-scrape the putty and re-hang the net, so that the problem can be solved perfectly.

The main reason is that the latex paint below you may be of poor quality and cracking, and the best way to deal with it is to re-apply a layer, and then you should pay attention to the uniform effect of the entire application is very important.

It's a matter of decoration. When the renovation work comes to an end, it happens to be the work of painting the walls, and at this time, it is just beginning to "get hot", and the indoor temperature is getting higher and higher day by day.

When making wall putty, due to the high temperature of the wall surface, the putty on the wall surface is dry, and you start to apply primer and topcoat after sanding. Because you think the putty has dried, but you don't know that this is the problem. In fact, at this time, the bottom layer of the putty is not completely dry, and there is still "sufficient" water in it, which is covered by the painted latex paint (latex paint has colloidal components, and a film will be formed after drying) to evaporate in the hot summer, and "forcibly" "wash" from under the latex paint on the wall surface!

You say, does latex paint crack or not? Isn't that weird! This is especially true in places like the ones you mentioned about where there are more cracks in doors and windows.

Because the air circulates faster in the door and window positions, it is easier to heat up in the summer, and the moisture inside the wall evaporates faster!! Of course, it cracked "fiercely".

However, there is a way, after the spring of March and April next year, you call a painter who is engaged in decoration to re-process it (of course, you have to shovel off the cracked ones first, and re-do the paint according to the construction process). In the summer you will see if there will be any cracks, usually a little bit, but then it will be fine if you patch it up immediately.

If you're using a heavier color, don't throw it away from the renovation, it's used to deal with these cracks. (The new paint is a color difference).