In daily life, many people will find that there are cracks in the walls of their new houses that they have just lived in for a short time. Many people do not understand what causes this phenomenon, nor do they know how to deal with it. So, the editor below will take you to understand how to repair cracks in large white walls and what are the causes of wall cracks.
How to repair cracks in a large white wall
To repair cracks in a large white wall, first wet the wall with water, then remove the wall at the crack until the cement mortar is exposed, and then paint Surface agent on the wall. Next, stick the cracks with kraft paper and white latex. If there are uneven walls, you need to use gypsum to level them. After leveling, putty and polish the wall, and finally apply primer.
What are the causes of cracks in walls
1. Shrinkage cracks
Cracks in walls may be caused by the shrinkage of materials due to changes in dryness and humidity. Usually in this case, the wall will be mesh-like, which may be caused by the interface between two different materials.
2. Temperature cracks
Thermal expansion and contraction can also cause cracks in the wall. Cracks usually appear on the top floor of the house along the horizontal beams, as well as vertical cracks along the window corners. Cracks, or diagonal cracks appear along the diagonal corners of the longitudinal wall.
3. Settlement cracks
If the foundation settles unevenly, it will also cause straight and inverted figure-shaped oblique cracks in the wall, and some are caused by mortar joints and mortar powder. Upper horizontal cracks caused by chemical compression, etc.
4. Deformation cracks
Wall deformation can also cause various cracks on the wall, such as cross cracks, vertical cracks at the connection of vertical and horizontal walls, and fractures caused by tilting.
5. Structural cracks
Structural cracks refer to cracks caused by load, such as multiple vertical cracks in wall columns under girders, and beams and plates. Transverse horizontal cracks at the main stress-bearing ribs, etc.
Article summary: The above is the relevant content about how to repair cracks in large white walls and what are the causes of wall cracks. I hope it will be helpful to everyone. If you want to know more related content, please continue to pay attention to Qijia.com.