Can you still scrape putty after spraying primer?

No, the first and most common problem is the latex paint of the putty brushes we scrape.

Entire pieces fall off. Cause putty to be scraped in the later stage.

The reason why the whole piece of latex paint falls off is that there is a serious powdering phenomenon in the original latex paint layer. Because we scrape the putty directly, after scraping, the putty will solidify and produce a certain tensile force, so that the original latex paint or putty with no strength will be pulled directly from the wall. The end result is a large area of peeling on the finished surface.

The second most common problem is the presence of a lot of capillary cracks on the finished finish. This kind of hair-based crack appears very irregularly and can be said to appear anywhere. The reason for the capillary cracks that occur after we scrape putty and brush latex paint in the later stage is that there is a quality problem in the underlying latex paint surface.

For example, the cracking problem mentioned above will lead to cracking of the latex paint of the putty brush in the later batch.

The third most problematic is the occurrence of the phenomenon of penetration. The so-called bottom-penetrating phenomenon here refers to the fact that there are a lot of stains and pollutants on our original wall, and the surface layer completed in the back is directly revealed, which is the bottom-penetrating phenomenon. For example, after we scrape putty and brush latex paint, we will find that many places are black and black, which are caused by stains on the original wall.

It is not possible to scrape putty powder directly.

Brushed wall painted, in general, it is not easy to hang putty powder, because putty powder is water-soluble, and the paint is not easy to bond, if not removed, it will leave hidden dangers on the wall in the future. The wall that has been painted with wall paint has a smooth surface and is not easy to adhere, but when the seasons change and the temperature difference is large, it will slowly fall off in pieces, which is very difficult to remedy.

Therefore, it is best to polish the old wall with coarse sandpaper 1 time, and then scrape it 2 times with a better putty, otherwise the putty will not be hung on the wall and affect the decoration effect.

Don't scrape the putty after spraying the paint, the putty can't stick to the paint surface, and it will fall off separately sooner or later, if there are bumps and bumps, and the item is smoothed, then remove the primer, polish it to the metal layer, and then spray it with putty after repairing.

Of course, this can't, it can't be sticky, and the primer must be sanded off.

Scraping putty is to level and intensify, what is the plumpness that should be carried out in the first process? After scraping the putty primer seven, then you are now finished with the primer, and you can use it directly. Seventh**, Nizi will save it and don't use it.

So after the primer is sprayed, the top coat is sprayed. If you don't use it, then your furniture can't be found clearly, and the effect is not very good.

Hello friend, in this case, you said that after spraying the primer, it is not possible to bring putty, in this case the order is reversed, you must pay attention.

Of course, the putty powder is brushed after polishing, and the normal process is to brush the putty powder on the wall first, flatten, and then polish it flat when the putty powder is dry, and then sweep the wall ash and then brush the primer, and then the topcoat, usually the latex paint is one bottom and two sides. Note that the putty powder must be dry thoroughly before painting.

Generally, the putty is scraped and polished smoothly in the primer, generally one bottom and two sides of the paint, the primer is alkali-resistant, but it is not under the putty, and the putty needs to be brushed again.

1. The cost is not the same.

Scraping putty first can fill the holes in the wall with putty, so that the amount of topcoat used can be reduced, so that the effect of the wall is better and the cost will be lower. Primer spraying first is more expensive.

2. The quality is not the same.

If you scrape putty first, you can make the wall absorb water, keep the wall moist, and better absorb the primer when spraying the primer.

3. The operation steps are different.

If you spray the primer first, you need to prepare the corresponding primer material additionally, and the wall of the spray needs to be moistened with water first, which will make the operation steps more cumbersome, so it is better to scrape the putty first.

Key points of putty scraping.

1. If the original brush is lime or paint, to brush latex paint, you must first remove the original wall and scrape the putty.

2. If you want to paint a colored room, you can directly buy latex paint with color, if you redeem it yourself, you must redeem it at one time, otherwise there is a color difference, of course, the gradual color difference is also a decorative effect.

3. The quality of the roller brush must be good, the hair quality is moderate, and the density is uniform, which affects the painting effect.

4. Paint the ceiling first, then the wall.

5. Be sure to dry it for the first time and brush it again again.

Your problem is like this, generally the putty is scraped and polished smooth in the brush primer, generally a bottom and two sides of the paint, the primer is alkali resistant, but it is not under the putty, the putty needs to be brushed again, the putty powder is brushed after grinding, the normal process is that the wall is brushed with putty powder first, flattened, and then polished flat when the putty powder is dry, and then the wall ash is swept clean and then brushed with primer, and then topcoat, usually latex paint is one bottom and two sides. Note that the putty powder must be dry thoroughly before painting.

Need. After scraping the putty, it can generally be brushed in about 3 to 7 daysLatex paint

Scrape putty. It is one of the methods of interior wall decoration, scraping putty on the wall to ensure that the wall is flat. Generally, scrape three times, and after drying, polish it with sandpaper.

This step is carried out before the latex paint is applied. Scraping putty refers to the most important step in the treatment of the base layer by filling or overall treatment to remove the uneven part of the surface of the base layer and keep the wall flat and smooth.

Precautions for brushing latex paint:

1. Try not to participate in water for dark paint, otherwise it is easy to have color difference; It is best to complete the painting at one time, otherwise it is easy to have color differences.

2. Do not paint in humid weather or winter, otherwise it will affect the overall construction quality, and the paint is not easy to dry.

3. Pay attention to indoor ventilation and heat dissipation, and the grinding of paint and paint should be carried out after it is completely dry.

4. When the brush is finished and waiting to dry, soak it in water, and see if there are bubbles in the brushing place, and if there are bubbles, they will burst immediately.

5. When the brush is dipped in paint, the part of the bristles immersed in the paint should not exceed half of the hair length, if the root of the bristles is stained with paint, the paint brush will be deformed, and the service life of the paint brush 4 will be shortened.

Summary. Primer and topcoat should not be mixed. Because the main function of the primer is anti-corrosion isolation, the main role of the topcoat is decoration, and the secondary role is anti-corrosion, which cannot be mixed.

Both primer and topcoat are latex paints, which are generally used together, and their functions are different. The primer is the first layer of the paint system, which is used to improve the adhesion of the topcoat, increase the fullness of the topcoat, provide alkali resistance, provide anti-corrosion function, etc., and at the same time can ensure the uniform absorption of the topcoat, so that the paint system can play its best effect. No matter how good the topcoat is, you need to apply the primer first to improve adhesion, corrosion resistance, alkali resistance, etc.

The wall is sprayed directly with topcoat, can you spray the primer again?

Hello, you can spray the primer after the topcoat, the topcoat is relatively smooth If you want to apply the primer, you must polish the surface of the topcoat again to make his surface rougher so that the adhesion will be better, but your primer must be brushed twice Can not be brushed once Brush once it is uneven, after the primer is done, and then brush the topcoat twice so that it can Oh.

Primer and topcoat should not be mixed. Because the main function of the primer is anti-corrosion isolation, the main role of the topcoat is decoration, and the secondary role is anti-corrosion, which cannot be mixed. Both primer and topcoat are latex paints, which are generally used together, and their functions are different.

The primer is the first layer of the paint system, which is used to improve the adhesion of the topcoat, increase the fullness of the topcoat, provide alkali resistance, provide anti-corrosion function, etc., and at the same time can ensure the uniform absorption of the topcoat, so that the paint system can play its best effect. No matter how good the topcoat is, you need to apply the primer first to improve adhesion, corrosion resistance, alkali resistance, etc.

Hello, the merchant directly takes the tooling paint directly as a primer, has been sprayed, if you want to spray the primer, you must polish the surface?

Yes, in order to better adhere to the wall.

Ok thanks!