The newly renovated new home is very beautiful no matter how you look at it, but after a period of time, there may be some problems in the wall and paint, so Xiaobian today brings you some precautions for home improvement painting, hopefully Help everyone.
After using our new home for a period of time, there may be some cracking of the wall and tarnishing of the paint. This requires us to repaint the home improvement. The painting of the home decoration is also very troublesome, so we should pay attention to it. Some home improvement paintings solve the problems that arise.
Peeling paint
It may be because the surface is too smooth. If the original paint is lacquered or powdery (with an untreated paste coating), the new paint will not stick to the surface. Or it may be wood decay or metal rust spots, but also peeling off due to poor paint quality. A small area of ​​paint peeling off, first sanded with fine sandpaper, then put on putty, brush the primer, and then repaint. Large areas of peeling must be scraped off and repainted.
Paint blistering
First of all, the bubble is broken, if there is water, it means that there is moisture infiltration under the paint layer or behind the sun. After the sun shines, the water evaporates into steam, which will make the patent leather foam. At this point, the hot air spray gun is used to remove the foamed paint, the wood is naturally dried, then the primer is applied, and finally the entire repair surface is repainted. If there is no water in the bubble, it may be cracked in the wood grain, and there is a small amount of air inside. After the sun shines, the air expands and the patent leather bulges. In the face of this situation, first scrape off the foamed patent leather, then fill the crack with the resin filler, repaint, or do not use the filler, after scraping off the patent leather, directly apply the microporous paint.
Crack
In this case, it is mostly necessary to remove the paint with a chemical paint remover or a hot air spray gun before repainting. If the fracture range is not large, you can use sanding block or wet and dry sandpaper to wet the water, grind off the broken paint, after the surface is smoothed, put on the putty, brush the primer, and repaint.
Paint hooligan
If the paint is too thick at a time, it will cause runny. If the paint is not dry, brush it with a brush. If the paint has begun to dry, wait until it is dry. Smooth the surface with fine sandpaper, clean the surface, wipe it with a damp cloth, and then re-apply. The outer layer paint, be careful not to brush too thick.
Stains
There are many reasons for stains on the paint surface. For example, the water in the latex paint dissolves the material on the wall and rusts the paint surface. The wall surface rubbed with steel wool will produce rust spots, and the dark pipe in the wall will leak and appear stains. To prevent stains, first apply a primer containing aluminum powder. If stains have appeared, remove the latex paint from the stains, brush the primer containing aluminum powder, and then repaint.
Moldy discoloration
This problem occurs mostly on wet paint surfaces, such as water vapor condensation on glass or metal surfaces, often producing brownish black stains. At this point, the fungicide can be used to treat the moldy parts according to the instructions of the instructions. After the mold is killed, the surface is cleaned and then repainted.
Lost gloss
The reason is that the primer is not applied, or the primer and the inner layer paint are not dried, and the varnish is directly applied. As a result, the varnish is absorbed by the wood and loses its luster. The poor quality of varnish is also a cause. Use old wet and dry sandpaper to rub off the old paint, brush off the dust, wipe the surface with a clean damp cloth, and then dry it again. It is important to note that painting in a very low temperature environment may also result in loss of gloss after the film has dried.
Paint film wrinkling
Usually caused by brushing the second time after the first time the paint is not dry. At this time, the solvent in the undercoat affects the upper paint film and wrinkles it. In this case, the creped paint film can be removed by chemical mercury removal or heating to repaint. Remember, you must wait until the first time the paint has dried out before you can go to the second time.
The above are some of the common problems in our home decoration. We should choose high-quality paint when we finish painting at home, and do the acceptance of the paint work, so as to prevent various problems in the paint.
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