The time spent on the ceiling will inevitably look old, and sometimes it will be found that the wall is blistering, cracking, or even peeling. At this time, we will repaint it. If you want to feel the fun of painting, do it yourself. Be sure to brush the ceiling, the edge of the lamp, and use the roller for a large area of ​​paint. If the corners and ceilings are to be brushed, they should start from the ceiling.
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Step 1: Clear the wall.
There is a small white powder on the wall, indicating that the salt in the wall is “precipitated†during the drying process of the cement. At this time, you can brush it off with a nylon brush or iron brush. After a few days of observation, it is determined that there is no longer a white powder. Precipitate, and wait for the cement wall to dry and flat, you can paint. If the white powder on the surface of the cement wall is plentiful and continuously precipitated, after cleaning it, you can apply a primer on the surface of the wall to prevent salt erosion and the formation of wall cancer in the future; II Do not use oil paint or water-impermeable wallpaper within three months. Brushing or renovation.
Step 2 In addition: Remove the peeling paint film.
Remove the peeling film with a knife or iron brush, and then use a sandpaper to polish the surface.
Step 3 Demolition: Remove paste pasted wallpaper.
Step 4 Repair: Trim the surface.
Fill the cracks in the pit with a batch cutter, wait until it is completely dry, and grind it with sandpaper.
Step 5: Treat wall lesions.
Step 6 Primer: Apply primer first.
The "primer" coating is used exclusively for wall surfaces that do not require special treatment. For problematic walls, the "primer" that specializes in this particular problem must be selected for the problem.
Step seven finishes: paint again.
It is generally used paint.
Step eight brush: brush from top to bottom.
After the paint was evenly mixed with a wooden stick, the brushing process started from the ceiling and brushed again, so as not to cause the paint that had fallen from the smallpox to finish the finished wall.
Tip: Calculate the amount of paint
Formula one: Total brushing area converted from floor area Algorithm: Total painting area = four walls painted with white ceiling paint with four walls painted area = ground area times 2.8 ceiling painting area = ground area times 1
Formula 2: Estimated paint volume for repainted walls = total painted area divided by unit area painted
Stucco wall tips
To increase the adhesion of the lime slurry, a small amount of salt (usually 100 parts of quicklime plus 7 parts of salt) can be incorporated into the mortar. This brushed wall is not prone to dust. If a 0.5% blue starch or blue ink is added to the slurry, the brushed walls can be made whiter.
Several key issues in stucco wall
1. To paint and decorate the newly painted paper gray wall, wait until the outer lime is completely dry before proceeding, otherwise it will cause variegation on the wall and affect the effect of beautification.
2. During the process of brushing the lime slurry, the lime slurry should be continuously stirred. Otherwise, the lime slurry will precipitate, and there will be different shades of light on the wall after brushing.
3. When painting, you should master the principles of top-down, brushstrokes, and vertical brushing. You can also use the left-to-right horizontal brush, but care should be taken not to miss the pen.
4. In the dark old lime wall (excluding white plastic wall), including the refreshing color on the wall with more spots, you should first use white gray water full of brush again, to be dry and then set refresh color.
5. If the painted lime wall is not more than half a year old, add acidic colored drywall powder, if green, sky blue and other colors, easy to produce neutral and pan-color phenomenon, need to pay attention.
6. When you paint your own wall, pay attention to operating safety.
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