When the wall is wet, or when the wall is painted, the water is not properly handled, etc., it will lead to mildew on the wall. After the mold, the wall is very ugly. Many people are very headache, but do not know how to deal with it. Today, Let Xiaobian serve as a friend to answer the method of mildew renovation on the wall.
The process of mildew renovation on the wall is as follows:
1, the wall to clean up
Before the renovation of the old wall must be done on the wall surface treatment, pulverization must be severed to remove the building glue after roll back, the original wall surface is too smooth, brushed paint, latex paint to be removed after the grinding process. Remove the loosely bonded skin and floating dust to facilitate the adhesion of new paint and wall. If there is a concave part of peeling, it is best to have putty to make up.
2, the primer can not be less
The role of the wall primer is to resist alkali moisture, to seal the substrate, to protect the topcoat, to improve the texture and hiding power of the topcoat. In particular, renovation of old houses, the walls must be done with primer, paint directly above the wall is easy to foam moldy, long-term color of the wall is also subject to change.
3, repair should be comprehensive
It is relatively difficult to achieve satisfactory results for the repair of painted walls. Therefore, it is best to repair the painted wall surface as a whole wall surface, or to choose a larger area for repair as much as possible. This can be avoided as much as possible. Chromatic aberration.
4, repair color
Note that in accordance with the description and paint brush bucket, it is best to estimate the amount of good, it is more important to prepare a sufficient amount at a time, so as to ensure the same color. Although the paint factory provides color cards, due to the strong alkalinity of the old wall surfaces, there may be a gap in effectiveness.
5, pay attention to ventilation
The ventilated condition of the old house is poor, and the xylene component of the diluent chemically reacts with the components of the latex paint to cause yellowing of the walls. Therefore, it is necessary to strengthen ventilation and put an electric fan.
Tips:
The renovation of the old house is sufficient on the basis of the requirements. If you are using a spraying process, it may not be more than 1-2 times to make the wall more saturated. That is, 3 degrees grind and grind, 1 bottom 2 sides on the line. After removing the putty, don't forget to roll over the glue so that the putty does not bubble up.
Through the above introduction, we have a good understanding of the moldy renovation on the wall. Thank you for stopping your precious time to appreciate Xiaobian's article. If you want to know more related knowledge, please continue to pay attention to Qijia Information.
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