How to whiten white walls

How to whitewash white walls

How to whitewash white walls? Many people will whitewash the walls themselves when decorating. If you have strong hands-on skills and understand the principles of whitewashing the walls, you can do it yourself at home. Whitewashing the walls can not only save money, but also make the wall painting effect better. Here is how to whitewash the white walls. How to whiten a white wall 1

1. How to whiten a wall by yourself

1. Before painting the wall, you first need to do some treatment on the wall. If the wall is peeling, loose or uneven, If there is any unevenness, the base layer must be cleaned and there must be no dust or mortar debris, and it must be leveled.

2. When leveling, use sandpaper to smooth out the uneven areas, and remove all debris on them.

3. The next step is to scrape the putty. Generally speaking, you need to scrape the putty three times, and each time you have to wait until it is completely dry before proceeding to the next time.

4. Apply the first coat of latex paint, and then apply it in order from top to bottom and from left to right. Note that you need to add water to dilute the latex paint before, wait until it is dry, and then apply a second coat of latex paint, and use fine sandpaper to polish the wall. Then apply it a third time. The latex paint dries relatively quickly, so after these three operations, you're done.

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

1. The base layer must be treated well. If the base layer is not smoothed or cleaned, even if White painted walls are prone to cracking and even falling off.

2. When applying putty, you must ensure that the putty layer is completely dry before proceeding to the next step. In order to ensure the construction effect of the entire wall, it generally takes two days before proceeding, so Be patient. If it rains, the time will be extended.

3. During the painting process, you must pay attention to painting the wall very carefully to ensure that each wall surface is painted in place, there should be no missing paint, and the thickness should be balanced. How to whiten white walls 2

First, sand the wall with sandpaper and remove the surface layer. This is mainly to increase the adhesion of the new paint. Then wipe away the floating dust after sanding. This is a necessary step.

Otherwise, the paint will fall off easily after application. Finally, start painting the white wall paint. When painting, you should do it first up and then down to avoid uneven application of wall paint. Remember to paint twice, with an interval of 2 hours between each coat.

What is the most environmentally friendly material to use for whitewashing walls?

Usually, the commonly used materials for whitewashing walls include: gypsum powder, putty powder, paint, and latex paint. Nowadays, many people still use 821 putty when constructing. In fact, this kind of putty is not resistant to water. When the wall contains water, the 821 putty will absorb water and bubble, causing large areas of latex paint to bubble and fall off. Therefore, when using latex paint, first use a back seal to seal the wall, and then use water-resistant putty to avoid the above problems.

Precautions for whitewashing walls

1. Base layer treatment: If the original white wall does not have too many peeling areas, there is no need for base layer treatment. Local leveling is enough. If the original Dabai is not very good or you are afraid that the Dabai will peel after scraping it in the future, you need to shovel the original Dabai and apply a strengthening or interface agent after scraping. The main meaning of brushing with strong means is that after scraping the Dabai, there will be The remaining Dabai dust remains on the wall to prevent the Dabai from forming layers when it is scratched. If you don't want to apply it for reinforcement, it is recommended to apply white latex glue.

2. Gypsum leveling: Use gypsum to level the uneven areas on the wall or ceiling, and use yin and yang angle elastic lines.

3. Paste the bandage: First, you must open a certain gap at the joint of the gypsum board and fill it with gypsum to make the gypsum board form a whole. Apply a bandage (white cloth or kraft paper) to all areas with seams. It is best to apply two layers of bandages to areas that are prone to cracking.

4. Apply latex paint: Before applying latex paint, be sure to sweep away all dust. For latex paint, add an appropriate amount of water according to the dryness of the wall. After brushing, use sandpaper to polish it once. This will give you a better effect and feel after brushing both sides. How to whiten a white wall 3

1. What is the simplest way to whiten a wall?

1. As far as the methods of whitewashing walls are concerned, there are actually two methods: only scraping putty on the wall, and painting the wall with white latex paint after scraping putty.

2. For these two methods of wall decoration, the putty-only method is naturally the simplest. However, when decorating the walls of self-built houses in rural areas, due to waterproofing and moisture-proof considerations , it is recommended that you choose water-resistant putty to prevent the walls of self-built houses from rolling up, blistering, and falling off due to moisture. What is the construction process of scraping putty on the walls of self-built houses?

2. What is the construction process of putty scraping on the walls of self-built houses?

1. Base layer treatment

Most self-built houses in rural areas have concrete walls. To apply putty on such walls, the base layer must first be treated well. The uneven areas of the base layer need to be Fill and smooth, and clean the remaining dirt on the concrete wall, so that the base surface is free of oil, debris, flatness, and dry.

2. Putty painting

(1) After the wall is processed, mix the putty according to the instructions for use. Before doing this, you need to check whether the putty contains glue ingredients. , if not, apply adhesive on one side of the wall before putting the putty on the wall, so that the putty and the wall can bond better.

(2) If it contains glue, then use professional tools to apply putty directly to the wall. The application of putty should start from the top of the self-built house. Apply evenly and do not apply the putty on the wall. If there are any omissions, special attention should be paid to the joints. The thickness of the putty should be uniform and the thickness should not exceed 2mm.

3. Repair and polishing

After the first coat of putty on the wall is completed and dried, the wall can be polished with sandpaper The surface of the wall should be flat, and the position of the line and angle should be clear. After polishing, the floating dust on the surface of the wall needs to be swept away.

4. The putty survives

After the above operations are completed and the first putty is completely dry, the second putty can be applied. The construction is the same as the first putty. The scraping and scraping operation of putty is consistent, starting from the top first, with uniform strength, and the thickness is controlled within a certain range. Generally, the wall putty survives two passes. After the second pass of putty is scraped, it can be cured.

3. What are the precautions for wall putty construction in self-built houses?

1. The base surface treatment must be in place

Before applying putty on the wall, the base surface treatment must be in place. If the wall of a self-built house is uneven, or the wall is If the surface is not clean, the wall will easily bulge and fall off after the putty is applied.

2. The putty should be used up within a certain period of time

After the putty is prepared, it needs to be used up within a certain period of time, usually within 4-5 hours. After a long time, the putty will easily deteriorate and dry out.

3. Two or more types of putty shall not appear on the same construction surface

When scraping wall putty, it is best to use one specification of putty of the same brand and one construction base surface It is not advisable to have two or more types of putty, otherwise there may be color differences, which will affect the construction effect.

4. The putty must be completely dry

After the wall putty is applied, you need to wait for it to dry naturally. It is not advisable to let cold wind blow directly on the wall, otherwise it may look dry on the surface, but There is still moisture inside. When applying the second putty, make sure that the first putty is completely dry.