How to paint the walls of a second-hand house by yourself? What should you pay attention to when painting the walls? What kind of paint should you use to paint the walls?

When moving into a second-hand house, it is usually renovated, especially the walls, which are usually given a new coat of paint. Regarding the issue of how to paint a second-hand house by yourself, I believe many people are not clear about it. Let’s take a look at how to paint the walls of a second-hand house by yourself. By the way, let’s talk about what you should pay attention to when painting and what kind of paint should be used to paint the walls. Paint, if you are interested, come and take a look.

1. How to paint the walls of a second-hand house by yourself

1. Clean the old walls

How to paint the walls of a second-hand house by yourself? When painting a second-hand house, because the old walls will have oil stains, floating dust, cracks or hollows, poor water absorption and other problems, some cleaning work needs to be done on the walls at this time. For old walls, you should first remove floating dust, remove the peeling and sandy areas, and remove the original coating from the oil-stained parts. If it cannot be removed, clean it thoroughly. After the wall is cleaned, make two passes with putty.

2. Putty scraping

Choose putty with high particle size and hard texture. You can also choose to add some white latex to the putty, which can improve the hardness of the putty.

3. Polishing

Try to use finer gauze paper. Generally speaking, putties with a softer texture should use sandpaper of 400 to 500 grit, and those with a harder texture should use 300 grit sandpaper. Six to four hundred grit sandpaper is best. If the sandpaper is too coarse, it will leave deep sand marks that cannot be covered with paint. After polishing, be sure to clean the wall thoroughly to avoid excessive dust that may affect the adhesion of the paint. Pay attention to the unevenness not exceeding three millimeters.

4. Apply primer

When applying primer, be sure to apply it evenly to ensure that every corner of the wall can be painted. If the wall has a large amount of paint, add an appropriate amount of water to the primer so that the primer can be applied evenly. Don't just use a roller to apply it randomly just because it's a primer. The effect of the primer will directly affect the effect of the topcoat, so use a roller with the same nursery rhyme texture as the topcoat.

5. Find repairs

After the putty is polished, there will definitely be some flaws, such as some small holes, which are difficult to see clearly under normal circumstances. It will be easier to spot after applying the paint once. At this time, it is necessary to touch up. When patching, be sure to sand it evenly, and then paint it again with a primer with a little added water. This can avoid the appearance of water draft with other walls when applying topcoat. Different, resulting in color difference.

6. Topcoat

It is not necessary to add excessive water for painting, otherwise it will affect the thickness and feel of the paint film, as well as the hardness of the paint film. So try to choose better tools. The hair of the roller should not be too short, but it must be thin, so that the paint film brushed out will feel delicate. When painting, you need to pay special attention to the corners of the wall, the stubble in the middle of each roll, and the direction of the paint collection.

7. Maintenance

Latex paint will dry within four hours after painting, but the dried paint film has not yet reached a certain hardness. At this time, care is needed. Care is very simple. Just don’t scrub or touch the wall for seven to ten days.

2. What should you pay attention to when painting yourself?

1. What should you pay attention to when painting yourself? When painting by yourself, you should pay attention to changes in the indoor air. If it is too humid, it will affect the speed of the paint drying, and it will also have an impact on the effect after painting. However, it should not be too dry, otherwise cracks will appear on the wall.

2. If the paint color you choose is relatively dark, do not add some paint that can dilute the paint into the paint, because this may cause color difference, and the effect after painting will be different. Okay, and it may have the opposite effect.

3. If you are painting in the hot summer, you need to pay attention to fire prevention measures. Because paint is flammable, you also need to pay attention to whether there is any fire hazard when buying paint. Relevant certificates of conformity, some unqualified products are very dangerous.

4. Before painting, you can apply primer first. This will prevent stains from appearing on the wall after painting, and will not affect the beauty of the paint.

3. What kind of paint to use for painting walls

1. Low-grade water-soluble paint

Judging from the current market conditions, the utilization rate of this material is relatively high. High, it is a kind of synthetic resin paint with water as the medium. It is made by using water as the diluent and adding an appropriate amount of pigments, fillers and auxiliary materials. However, this paint is not resistant to water and alkali, and the coating is affected by moisture. It has the disadvantage of being easy to peel off in the end. It belongs to low-end interior wall paint and is suitable for general interior wall decoration.

2. Latex paint

What kind of paint is used to paint walls? Latex paint is very suitable for painting walls. The usage rate of this material is very high, and it is also a relatively trendy product at present. It is highly environmentally friendly, has the characteristics of easy painting, quick drying, and water-resistant paint film. At the same time, it does not produce irritating odor during the painting process. It It is mainly a water-dispersible paint, which is made from synthetic resin emulsion as the base material, and is refined by adding various additives after grinding and dispersing the filler.

3. Liquid wallpaper

This type of product has very good stability and is durable. It can be used for a long time without discoloration. Therefore, compared with ordinary wallpaper, which is prone to oxidation and discoloration, Liquid wallpaper can also achieve seamless integration, and it also has the characteristics of richer colors and styles than latex paint, and it is also an environmentally friendly paint that combines the advantages of wallpaper and latex paint.

The above is the relevant content about how to paint the walls of a second-hand house by yourself, what to pay attention to when painting the walls yourself, and what kind of paint to use for painting the walls. I hope it can be helpful to everyone!