What is the concrete construction technology of painting the external wall?

Painting the wall is a seemingly simple but important process in house decoration. Although it seems simple, there are many places to pay attention to, especially the painting steps of the external wall. Do you know the painting steps of the exterior wall? People who don't know really don't know what to do and need to consult more about painting.

1. Exterior wall painting step Exterior wall painting step Clean up the base-fill putty, apply putty locally, smooth-fill putty for the first time, smooth-scrape putty for the second time, smooth-coat sealing primer-add putty to the first layer, smooth-coat paint for the second time-smooth and trim.

Second, the external wall painting steps-construction technology 1, preparation: for doors, window frames, furniture and paint joints, paste color separation paper for protection. Wooden cabinets, partitions and other furniture should be sealed with newspapers to prevent paint from dripping and soiling the furniture. Tone For walls with color requirements, the area must be accurately calculated in advance, and the materials used must be evenly distributed.

2. Primer of wall paint: it must be applied first to prevent the moisture change of the wall surface, so that the upper layer color is uniform and water stains on acidic wood are avoided.

3. Roller coating construction: the order of wall construction is: roof first, line first, and then wall. There are two pictures on the wall. 6%-9% water can be added to the first picture, so that the wall is easy to absorb, and no water is added to the second picture. Two paintings are also time intervals. Don't wait for the second time to finish. When rolling, two kinds of roller brushes should be used at the same time: one is coarse roller brush, and the other is fine roller brush. Use a heavy roller to evenly coat the paint on the wall, then use a thin roller to brush, in which the big roller is used to brush, and then brush the paint wall thin again to remove the desired pattern. Remember, when rolling, don't paint too much on the roller, the rolling pressure should be uniform and the speed should be moderate. Horizontal, vertical and inclined directions shall be evenly rolled.

4. Brush structure: After brushing with a brush, you must brush the walls and corners with a brush. It is the location of splicing and walls and corners, wooden cabinets, partitions, etc. corner

5. Wall paint: After the wall paint is dry, sand the wall surface with sandpaper to reduce the traces of wall painting and soften the wall surface. When polishing, always pay attention to the smoothness of the wall to judge the position to be polished, and the polishing strength should be moderate and wide.

6. Cleaning and inspection: The next step is inspection and cleaning. Clean up the paint strokes on your feet and other places, and check whether the color of the wall meets your requirements and whether the painted wall is consistent. No transition colors, etc. The quality of background, brush, bubble, bite, drip, alkali and dust has nothing to do with quality.

The above are the painting steps and construction technology of the external wall. Let's have a look.

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