How to paint the old wall

For the old house, the wall has been used for a long time, and naturally stains and shedding will occur, which affects the beauty of the room. In this case, renovating the old wall is undoubtedly the best solution. Renovating the old wall will not only make the wall fresh, but it is also fun to paint it yourself, but painting the old wall looks simple, but it still requires some skills. So how to paint the old wall ? The following editor will tell you Talk about how to paint the old walls and what needs attention in painting the walls.

1. How to paint the old wall

1. The wall surface has been used for a long time, and the surface generally has problems of peeling, cracking or even falling off. Therefore, before you paint the old wall surface, you need to clean the old wall surface to ensure that the old wall surface is clean.

2. After cleaning the old wall, if you are using latex paint, you need to put on the putty layer before applying the latex paint. If you are using the glutinous rice plant paint, you can save the step of brushing the putty layer and directly Painted.

3. Then it's time to polish the wall. The sandpaper used for polishing needs to be selected according to the hardness of the putty. If the putty is soft, you can choose 400-500 sandpaper. If the putty is hard, you can choose 360-400. sandpaper.

4. Then you can brush the primer or glutinous rice plant paint. If the wall space is large, the amount of wall paint will also be large. In this case, you can add an appropriate amount of water to the primer, as for the glutinous rice plant The paint is added with water in a certain proportion. During the brushing process, the primer should be evenly applied to all parts of the wall.

5. After painting the primer, you can see the pits and defects in the previous wall. At this time, you have reached the step of repairing the wall. First find the place where there is a defect on the wall, and then smooth the wall of the defect, and then repaint the wall with the primer that has been added to the water before.

6. Finally, apply the top paint or glutinous rice plant paint. At this stage, pay attention to that the top coat should not be too thin, otherwise it will affect the thickness, hardness and feel of the paint film, and choose a good quality paint tool. The feel of the paint film will be more delicate.

2. What should be paid attention to when painting the wall

1. When painting the wall, check whether the wall is smooth and solid. You can find a harder object, such as a screwdriver or a key, etc., and scratch the wall to see if there is any slag. If there is any, say The wall surface is not solid and flat, but also carefully check whether there are cracks or holes in the wall surface.

2. When painting walls, it is inevitable that paint or putty will drip, so you need to protect the finished decoration in the room in advance to avoid damage to the decorated place.

Editor's summary: The above is how to paint the old wall and the whitewashed wall. What are the points that need attention, I hope to help everyone. Painting old walls is not as simple as everyone thinks, the method is still important to share, everyone is best to find a professional painter to renovate the old walls, the effect will be much better!

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