Due to the deformation of the foundation, which occurs due to freezing of the soil, as well as the close location of groundwater, cracks may form on the walls.
Also, brickwork is damaged due to the significant load that falls on the supporting structure provided by the ceiling, as well as due to soil heterogeneity and violations of construction technology. You can understand what are the causes of the damage on the wall by the nature of the cracks. If they expand from below, then this indicates that the foundation has shrunk in this part of the building..
Cracks should be sealed only after their development has stopped. Otherwise, all efforts and costs will be completely in vain. Therefore, it is necessary to monitor the condition of the damage. To do this, you need to stick special paper beacons on the crack. When repairing walls in a house, do not forget about the design of the bathroom. By the way, she needs plumbing, the Kirov installation, which offers its residents, is entrusted to the masters of a specialized company.
Cracks, the width of which is not more than 5 mm, should be repaired with ordinary cement and sand mortar. But before covering it up, the crack cavity should be cleaned of dust and debris. To fill gaps larger than 10 mm, you can use a cement mortar in which fine-grained sand is used as a filler, or polyurethane foam. These cracks are considered critical by experts. Therefore, a more effective repair method is to dismantle damaged brickwork and then replace it with new ones..
