How to repair the wall after sanding
(a) Wall, wall and wall decoration technology construction technology refers to the use of wallpaper, wall and other types of paste.
1. The structural wall of plastering wall is made of a mixture of cement and lime, which makes the wall smooth. Use sandpaper, putty, smooth and dry, and then paste the wallpaper with 107 glue or other adhesives.
2. The main working procedures include wallpaper, wall covering, cleaning primer, caulking → jointing gypsum board joints, putty filling, sandpaper polishing → filling putty, smoothing → coating agent testing and moisturizing → painting primer → wall front line → soaking wallpaper → soaking wallpaper, painting primer → cutting paper, painting glue → top wall stickers, mosaics, overlapping, flowers → pressurized bubbles → cleaning glue →
3. Key points of wallpaper and wall decoration construction 1. The primer should be clean and smooth when treated. Moisture-proof coating should be evenly coated, not too thick.
(1) Concrete and gypsum base: clean the wall surface and smooth the cracks and irregularities on the surface with putty. Fill with putty and polish. Determine the times of putty as required.
(2) Wood base: The wood base shall be brushed with nails without burr, fracture and exposure. Joints and nails are filled with putty. Fill it with putty, smooth it, smooth it.
(3) Gypsum board base: Gypsum board joints shall be treated with caulking putty and bound with joint tape. The surface is putty. Glue brush generally uses glue 107. Primer survived, but there was nothing missing. In order to prevent the wallpaper and wall covering from falling off, you can apply a layer of moisture-proof paint and touch the vertical lines and horizontal lines to ensure that the wallpaper, horizontal walls and vertical walls are straight and the patterns are correct. Plastic wallpaper expands when it meets water. Therefore, it is necessary to wet the paper with water, so that the plastic wallpaper can completely expand, the wallpaper based on glass fiber, wall covering, etc. There is no water or swelling, so there is no need to wet the paper. Composite paper wallpaper and textile fiber wallpaper should not be embarrassed. After gluing, flatten the wallpaper glue without leaving bubbles, and clean the extruded glue in time.
(2) How to repair the problems that need attention after the wall is frosted.
1. The moisture content at the bottom of the wall must be less than 8%.
2. Check that the wall flatness is 2m, and the height difference is less than 2mm.
3. When sewing seams, sew the pattern and the back together to make the upper and lower patterns match.
It is forbidden to sew in the corner where the sun shines. The wallpaper must be wrapped in a positive angle of more than 20 mm
5. Through the application of glass fiber wallpaper and non-woven fabrics, the back and middle enamels without adhesive accumulation are applied to the base. Because there are holes in the wall fabric, there will be glue on the surface, and there will be glue marks, which will affect the appearance.
The above is an introduction about how to repair the wall after polishing, hoping to help you.
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