How to fix cracked walls and other common wall problems

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Over time, several problems can arise due to the aged walls of the house. The problem of cracked, porous, damp, leaking walls will haunt the house if not controlled and maintained. Each of these problems has its own cause. There are different ways to deal with cracked walls and other wall problems.

If you are looking for ways to fix cracked walls, here are some tips on how to fix cracked walls and other damaged wall problems!

How to repair a cracked wall

Cracked walls can be caused by several things, including an unsuitable cement mix, excessive load on the walls, weather changes, age factors, poor quality plastering and coating or due to damage to the wall structure. How to repair cracked walls varies depending on the severity, starting with how to repair cracked walls, large cracks, transparent cracks, to structural cracks.

How to repair hairline cracks

Hairline cracks are shallow cracks in the wall, less than 1 mm wide. How to fix hairline cracks is very simple.

First, you need to scrape off the paint in places where there are cracks. Scrub it until the plaster and plaster completely peels off. Second, sand the surface of the cleaned wall until it is smooth and flat. Third, clean the smooth surface from dust with a damp cloth. Wait for it to dry.

Once dry, layer wall sealant on the surface of the cracked wall. Applying this primer is a way to repair cracked walls. Wait for it to dry for 4-5 hours before painting it again with wall paint.

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How to repair a large cracked wall

In addition to hairline cracks, the surface of the wall can also have large cracks. How to repair a wall with large cracks like this is similar to repairing a wall with very small cracks. Only, you need to replace wall sealant with the product wall fillers (wall putty or plaster). Once the crack is covered, you can smooth it with sandpaper, giving it a finish wall sealant, and then cover it with wall paint.

However, there are also large cracks that are structural in nature. This crack is fatal because it relates to the construction of the building. These cracks are generally larger than 2 mm and cause cracks that penetrate to the back of the wall. The direction can be vertical or horizontal. The cause lies in foundation problems and can threaten the safety of the house.

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How to repair a cracked wall structure

How to repair a cracked wall structure is more complex than the previous two cracked wall treatments. How to repair a cracked wall structure must be in accordance with the cause of the structural crack itself.

For example, structural cracks caused by foundation settlement can be treated by building a new foundation near the problem spot. You can add new columns to distribute the load of the building evenly. If damage occurs to building columns or support columns, add support columns to distribute the load evenly. You can also inject the problematic post with epoxy to strengthen its structure and increase its size.

Once the source of the wall crack is found and resolved, you can patch the wall crack that is transparent. How to fix a clear cracked wall is similar to fixing large cracks, which you need wall fillers or mortar if the crack is wide and follow the same steps to repair a large cracked wall.

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How to repair porous walls

Porous walls are usually caused by imperfect milling or grinding processes, especially on porous surfaces. Structural loss can also occur if the cement mix is ​​not perfect. How to repair a wall with a porous surface is also similar to how to repair a wall with large cracks. All you have to do is peel off all the porous layers and replace them with new mortar.

If the wall structure is porous, whether you like it or not, you have to replace it with new wall structure to keep the house structure safe. In addition to a poor mix of materials and mortar, the wet weather factor can also cause walls to become porous or even leaky. This damp wall will make the wall structure fragile.

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How to repair damp walls

If the wall becomes damp due to water penetration, waterproofing it is also necessary to make problematic walls. The method of repairing damp walls is the same as for porous walls. That’s all, a high-quality coating for waterproofing and moisture resistance (resistant to water and moisture) must be added to the surface of the wall that received a new coating.

To make it more waterproof, add a water-repellent product to the slurry mixture. Do this repair during the dry season when the water content in the wall is minimal for optimal results.

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How to repair seepage walls

A leaky wall can be caused by a variety of things, such as leaky gutters, walls that are close together, frequent exposure to water, or it could be because the water channels in it are cracked or leaking. Therefore, there are different ways to repair a leaking wall, depending on the source of the cause.

For example, for leaks due to external factors such as rainwater, you can coat the walls with the product waterproofing like when overcoming a wet wall. If it is leaking due to cracks, first repair the cracks and apply a layer of product waterproofing after the rift problem is solved.

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Also read: Know how to paint walls, important steps to paint the walls of your beloved house!

We hope that the above method of fixing cracked walls and other broken walls can help you solve the problem. Find a variety of products for the construction of solid walls of the house here. Trust the process of building your dream house for professionals who are members of lacrymosemedia.