General house lived a long time in the future, walls will be very easy to have some problems, such as bubbles, mildew, water seepage situation, this time we need to be renovated renovation of the walls. Wall renovation must not be underestimated. Do not think it is very simple. In fact, it is particularly complicated and there are many things to be aware of. Let's take a look at the renovation steps and precautions for the renovation of the wall.
Renovation wall repair steps
1. Repair the cracks. In general, kraft paper tape and white latex are used to stick the crack.
2, the wall leveling. Rugged walls need to be leveled. Generally, gypsum is commonly used, and the unevenness is not more than 0.3 cm.
3, patch processing. Generally, non-load-bearing walls such as light-weight walls and thermal insulation walls need to be patched. If wall cloth and white latex are selected, the relative anti-cracking effect of the mesh cloth will be better.
4, putty putty. Generally, the wall surface can be scraped 2 times with putty, which can both level and cover the background color. Putty with poor flatness needs to be scraped several times in the local area.
5. Polish the wall. Use fine sandpaper, if the sandpaper is too thick, it will leave a deep sand mark, and the paint can't cover it. After polishing, you must thoroughly clean the wall to avoid too much dust and affect the adhesion of the paint.
6, the primer. The primer must be brushed evenly to ensure that every part of the wall is brushed. If the wall is painted a lot, the primer should be added with a little more water to ensure uniform coating. Do not think that it is a roller with a little primer because it is a primer. The effect of the primer will directly affect the effect of the topcoat. Use the same texture roller as the topcoat.
7, topcoat. The topcoat is usually brushed twice, and each pass should be separated from each other (depending on its dry time) until it is substantially dry. After the second coat is finished, it takes 1-2 days to completely dry out. Before the paint is completely dry, it should be waterproof and sunscreen to prevent problems with the paint film.
Renovation wall precautions
1, plastering
The plastering is a paste-like thing made of a layer of lime and other materials on the wall, but before plastering, the surface of the wall should be fresh and clean, including the dust on the wall surface, loose. Clean up the objects, dirt and grease, etc., and clean the walls. For example, if there are obvious spots on the surface of the masonry foundation, it should be kicked in advance with 1:3 cement mortar to fill the surface; before plastering, the wall should be watered first, the general brick wall foundation will be watered twice, the brick surface seepage depth Approximately 8-10 mm, the plastering requirements can be achieved.
2, putty putty
Before putting the putty, you should first level the wall with plaster, and do the leveling work on the wall. The next step is to put the putty on the wall. In the process of decorating the wall surface, the putty needs to go through multiple processes, and the materials used must also have a delicate feeling. The putty material is evenly applied on the wall surface to form a flat and neat decorative effect. The general gypsum interface agent is about 2 yuan in one kilogram, 40 yuan in a bag of 20 kilograms, and thinly applied to the cement wall surface, the first putty project is completed. The tools used are also special tools for brushing the wall putty, so if the owner needs to try the work of brushing the putty himself, there is no need to worry about the bad handling of the wall putty layer.
3, sand supplement
After the putty works are completed, the sand filling work on the wall is required. Sand supplementation refers to finishing the wall surface that touches the putty once, and smoothing the uneven surface of the wall surface. Sand supplement is a hard work that requires patience. After the worker completes the work of sand supplementation, if the owner needs to check whether the wall is smoothed, the owner can turn on the high-powered light at night to check whether it is smooth and smooth. Especially in the details of the combination of doors and windows and wall, it is necessary to carefully and carefully check to avoid the phenomenon of bubbles in the process of brushing latex paint.
4, brush paint
In the process of brush coating, it can be directly sprayed twice with latex paint, but generally before the paint is applied, the wall will be coated with a layer of waterproof putty, which can effectively prevent the mold from appearing and leaking. The spraying method is better, but it is necessary to decorate the putty on the upper layer of the water-resistant putty (the bottle of decorative putty), spray a thin layer, and also use 1200 mesh sandpaper to polish, then spray the latex paint. Yes, and only spray paint once. If the wall decoration takes a long time and you want to make up the paint on the wall, you don't need to remove the original paint. You can spray it directly on the wall.
The above content is the introduction of the refurbished wall repairing steps and precautions brought by this small series for everyone's reference. I believe that after reading this article, you will have a certain understanding of the refurbished wall, hoping to give Friends at home renovating the wall provided some help. For more exciting home improvement content, please continue to pay attention to the decoration home network.
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