As we all know, there are many processes for house decoration, such as tiling the ground, installing doors and windows, waterproofing and so on. Among them, scraping putty on the wall is a lot, and the construction effect will affect the appearance of the entire room. Therefore, the construction of putty is very important, it must be scraped smooth and delicate. So how to scrape putty on the wall ? What are the tips for scraping putty? Let's take a look with the editor.
1. How to scrape putty on the wall
1. First clean the wall of the putty, if there is a hollow drum, repair the hollow drum first, and then remove the dust and mortar remaining on the wall.
2. When shaving putty, pay attention to the yin and yang corners of the wall. It must be straight. During construction, the yin and yang angles can be extruded and formed with aluminum alloy rods, and the yin and yang angles must be operated with special tools.
3. The thickness of the putty is 4 mm to 5 mm when the first pass is construction. The first putty is scraped to level the wall, so it cannot be rubbed back and forth during the construction and must be brushed cleanly.
4. How to scrape the putty on the wall? When scraping the putty for the second pass, wait until the putty is dried for the first pass. The thickness should be kept within 3 mm to 4 mm. At the same time, when the putty is almost dry, then use a scraper to polish the face to ensure that its texture and color are in the best state.
Second, what are the skills to scrape putty
1. When cleaning the wall, the dust between the top of the wall and the gap must be cleaned, the unevenness should be leveled, and the flatness of the wall must be maintained. If there are stains on the wall, you can use a washing brush to clean it, and then dry it with clean water.
2. If there is mortar construction on the wall, the putty construction should not be done until 70% is dry. If it takes too long to dry, then some water can be poured on its surface.
3. For walls with high water absorption rate, it is best to apply a 1: 2 glue solution to prevent the gypsum powder on the wall from powdering due to excessive water loss. If it is a plasterboard wall with paper surface, first wipe it with a damp cloth.
4. After the putty powder is dry, sand the wall with sandpaper, and then clean the floating dust on the wall with a damp rag, so that the wall can be decorated later, such as wallpapering, painting, etc.
Editor ’s summary: I ’ ve introduced how to scrape putty on walls and tips. After scraping the putty on the wall, the windows should be closed to avoid ventilation and prevent dust from blowing on the wall. At the same time, in the subsequent use, it is not possible to sharpen its surface, otherwise it will affect the appearance of the room.
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