It is very similar to the netizens who have encountered similar problems. The top of the house's decoration has been cracked. A netizen said: “The old wall was renovated, the old wall knocked on the exposed brick, and the yellow sand cement was used to re-powder. After the painter came into the field, Found that the top does not work, with cement and 801 plus gypsum powder powder mixed a bit, so dry in the flat paint brushing with putty. Materials should be genuine goods. Today found that the top surface cracking, we help me What is the reason for this?
>>> Links: Decoration Literacy: Wall Cracking Remediation
The decoration of the old house has basically the same problem with the top surface of the wall. Therefore, the batch wall must be approved deeper, and it must be strong when it is made up.
Top cracking causes and treatment methods
There are two cases of cracking the top
1, decoration cracks: The shape of the cracks is irregular, the distribution is not directional, east one piece of the West, not along one direction.
The treatment of the cracks: the treatment is also relatively simple, the crack out of shoveling off after the re-painting putty brush paint, coating a few thin.
Responsibility: Needless to say, the responsibility is definitely to decorate the company.
2, structural cracks: The shape of this crack is more regular, basically a straight line in a direction perpendicular to a wall surface. Moreover, it is generally from one wall to another wall. This kind of crack is mainly caused by construction reasons, especially on the top floor.
Crack reason:
1) If it is an old house in the past, the floor may be a prefabricated floor, and the crack appears between the two floors.
2) If it is a house in recent years, the floor slabs are generally concrete cast-in-place floor slabs. Cracks occur in this floor slab. One type is construction joints, which have the same structural cracks as those described above. One type is fracture cracks, and the shape is generally irregular.
Treatment method: The surface layer, the base are shoveled out, and then cut in the crack place "v" shaped groove, not too deep about 5mm can be, then use the gypsum board caulking putty, it must be a layer The layer of make-up, and then use gypsum board caulking putty paste a grid cloth, do putty and latex paint can be.
Responsibilities: The real estate agent has the responsibility, the structure lifetime warranty can be found by the property. Renovation units also have responsibilities, such as cracks often encountered in the renovation, repair and guarantee that no cracks are their responsibility.
Experience in painting paint cement latex paint house decoration decoration decoration company