Sooner or later, every person is faced withthe problem of repairing an apartment or a country house. If you want to change the wallpaper or repaint the wall, you may encounter some shortcomings of the vertical surface. Removing the old wallpaper, you saw a network of minor damage and now you are thinking about how to repair a crack in the wall? Do not worry. We will teach you how to act correctly in such a situation and how to repair cracks in the wall. Let's look at the most common options.
How to seal a crack in a wall of bricks?
First you need to understand the causes of this defect. There may be several. The most common causes are:
- Violation of the process during the construction of the building.
- Incorrectly prepared cement mortar for masonry.
- Violation of the process of laying bricks.
- Total absence or insufficient amount of reinforcing rods in the wall.
- The lack of a common foundation of the house and the annex, which leads to the formation of cracks at the junction of buildings.
What needs to be done to eliminate the crack:
- To begin with, slightly increase the depth and width of the damage. We try to do this evenly from all sides at an angle of about 45 degrees. We cover the entire crack with one layer of special primer.
- We use cement to seal holes.mortar or special joint sealant. When choosing a building material for repair, it should be remembered that laying cement mortar can lead to the re-formation of cracks. In this case, it is best to choose a sealant. Even in the dry state, it is quite plastic and can easily taper or expand under the influence of the external environment.
- If you are going to paint further,plaster or putty the wall, then discard silicone sealants. The process of aligning the wall on this building material will be difficult.
- Lay the sealant in the prepared crack using a special gun. Remove excess with a rubber or metal spatula, while smoothing the surface of the wall.
- If you use cement solution for repair,Do not forget to pre-wet the surface of cracks and walls. Such actions will help the solution get better. To improve the properties of the repair composition, add tile adhesive to the cement plaster.
How to repair a crack in a plaster wall?
Plastered walls are often exposed.cracking. It does not matter if it is an outer wall or an inner wall. The presence of damage always indicates a violation of the technological process during the preparation of plaster, its laying and drying. Cracks can be caused by improper care of the plastered wall. The best option for the protection of such walls from cracks is the use of fiberglass "spider", glass wall or fiberglass mesh. We clean the damaged surface of the wall from pouring out particles of plaster. After this, we ground the wall and cover it with a crack with fresh putty. After it is completely dry, glue with any special glass fiber using a special glass-glue adhesive. The surface is covered with a layer of finishing putty or painted.
How to seal a crack in the wall of plasterboard?
Even a wall of plasterboard can annoy yousurprise by the presence of vertical cracks. Usually they appear in the joints of the panels. Any defect on such a wall indicates improper installation of the base and violation of technology when screwing sheets of plasterboard. Sudden temperature fluctuations, high humidity or flooding of the room, as well as an incorrectly applied mixture of plaster on the joints of the plates can lead to the appearance of cracks.
How and how to seal a crack in the wall?If the metal structure is not very securely fastened and staggers, you will have to remove the sheets of drywall and replace it. In all other cases, you will need putty or acrylic to gloss over the crack. Slightly expands and deepens the damage. Clean the dust with a soft brush. Ground the surface and fill the composition for repair. Excess material is removed with a spatula. We glue a strip of fiberglass over the joint, or after a complete drying of the surface, sand it with sandpaper. Apply a coat of primer. Only after that the wall can be painted or pasted over with wallpaper.
