How to scrape putty on the wall

Putty is one of the wall decoration materials. It can make the wall achieve better decorative effect. By removing the unevenness of the front surface layer, the wall is kept flat and smooth. So, how to scrape putty on the wall? What are the steps to scrape the putty? The following editor will take you to understand together.

How to scrape putty on the wall

1. How to scrape putty on the wall-basic treatment

There are different construction requirements for the treatment of the base layer of different walls. For example, the walls of cast-in-place concrete often have some porosity and bulging, so the wall must be repaired and smoothed, the protrusions are smoothed, and the depressions are filled. Office. If it is a prefabricated concrete wall, there will be some gravel and pimples on the surface, so professional construction personnel need to use a steel wire brush to brush the entire wall to remove these debris.

2. How to scrape putty on the wall-grassroots repair

After the wall is treated by the base layer, the wall will still have some depressions, so you need to use gypsum putty to fill the depressions. Note that when the plaster putty is prepared, the weight ratio between gypsum, emulsion and cellulose aqueous solution is about 100: 5: 60. After adjustment, the plaster putty is compacted in the depression, and the vertical batch is scraped across to ensure the wall The surface is smooth.

3. How to scrape putty on the wall-brush with aqueous solution of caustic soda

In order to clean up the oil stains on the concrete wall, it is necessary to apply the aqueous solution of caustic soda to the wall, but it is necessary to pay attention to clean the wall with clean water while painting. If the concentration of the aqueous solution of caustic soda is 5%, then the wall needs to be painted twice, and the solution of 10% concentration can be painted once.

4. How to scrape putty on the wall-scraping putty

Before scraping the putty, the wall needs to be sprayed with adhesive once to scrape the putty. A steel scraper is required to scrape the wall up, down, left, and right. In the process of scraping the putty, it is necessary to avoid leaving floating putty and scratches, and to prevent dust, grit and other debris on the putty.

5. How to scrape putty on the wall-polish and repair

After scraping the putty for the first time, first check whether the problem of the repaired position on the wall still exists. If there is no problem, after the putty is completely dry, use sandpaper to polish the entire wall again, and then clean the wall. However, if there is still a depression in these parts of the wall, it is necessary to repair and level it again with putty.

6. How to scrape putty on the wall-putty completed

It is usually necessary to scrape putty on the wall two to three times, and it must wait until the putty is completely dry in the previous pass before the next putty can be applied. After the putty is scraped, the entire wall surface must be flat and smooth, with uniform texture and no scratches on the surface, otherwise it will seriously affect the overall decoration effect.

Article summary: The above is about how to scrape putty on the wall and what steps are there to scrape the putty, I hope to help you. Remind everyone not to ignore putty in the decoration, it is very important in the decoration, in addition to making the wall smoother and improving the effect of latex paint. If you want to know more about it, please continue to follow this website.

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