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How to repair a wall by type of crack

After we know the cause of cracked rembok on the walls of the house, now is the time for us to know how to repair cracked walls.

Yes, to repair cracked walls on the walls of the house, there are indeed several ways based on the type of crack.

Cracked walls often occur in a building, even in new buildings. Situations like this are annoying and can be dangerous at times.

Therefore we must immediately repair the cracked patches on the walls of our homes. And here is how to repair a cracked wall based on the type of crack.


How to repair cracked walls based on the type of crack

To repair a cracked wall, we must first know so that we can handle it properly.

In addition, cracked walls also have many characters, namely some are cracked like hair and some are cracked due to poor foundation construction.

Basically wall cracks can occur due to several things, such as being plastered before the plaster is completely dry, the composition of the mixture is not right, the raw materials are of low quality, the mortar used is ordinary cement and many other causes.

1. How to Tear off the Hair Wall

Yes, cracks that often occur in a building, especially new buildings, are hair cracks. This one crack is often underestimated because it is small and harmless. However, this will make the visuals of the walls of your home less beautiful.

And to overcome this hair crack wall, you can use a base coat or base paint to cover it. But if in the future these hair cracks become bigger then you have to make a new plaster.

2. How to Break through the Wall with Bricks

Furthermore, cracked walls in bricks, this also often occurs in old buildings to new buildings. Yes, the cracks in the bricks are caused by the poor quality of the bricks used. While the cracks that occur can be perpendicular or sideways.

Basically the bricks are broken and the plaster and plaster are broken. And to overcome this you only need to make a small gap between the wall and the beam above it so that the pressure is reduced. Then fill the gap with rubber and then open the gap 1 cm wide until it becomes a brick. Then make a cement-sand mortar to cover it back neatly.

Then let it dry for 3 days, and trim the gap with white plaster. And after the acian dries, then it is whitewashed with plamir and followed by repainting according to the color of the wall paint.

3. How to break into walls because of different materials

Apart from the above causes, there are also cracks in the walls due to different materials. Cracks due to different materials can occur due to the closing of brick-concrete joints or wood joints, for example in door joints, frames or ventilation.


Yes, this one crack will often appear even after being repaired. And the way to fix it is to rediscover 1 cm of stucco along the crack. Then strengthen the dilatation with a mixture of plaster and 4% polymer.

Then fill the dough into 2 mm thick crevices and let dry. Then proceed with smoothing the surface using white plaster.