Paint is an important part of interior decoration, and it is easy to have some thorny problems that make people helpless. In fact, as long as you find out the real cause of the problem and have the right medicine, you will have satisfactory results. The following is the solution to the problems that paint is easy to produce, so that you can be more comfortable in interior decoration.
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Peeling paint: It may be because the surface is too smooth. If the original paint is lacquer or powder (with untreated sizing paint), the new paint will not stick to the surface. Or it may be wood decay or metal rust, or peeling off due to poor paint quality. A small area of ​​paint is peeling off. It can be sanded with fine sandpaper, then putty put on it, brushed with a primer and repainted. Exfoliation over a large area must scrape all the paint off and repaint it.
Foaming of paint: First, the foam is punctured. If water appears, it means that moisture penetrates underneath or behind the lacquer layer. After sun exposure and evaporation of moisture into vapor, the paint is lifted up into foam. At this point, the blistering paint is removed with a hot air gun, the wood is allowed to dry naturally, 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 wood grain, there is a small amount of air, the sun through the sun, the air expands, the paint bulge. Faced with this situation, first scrape off the blistering paint, then use a resin filler to fill the cracks, repaint it, or use no filler. After the paint is peeled off, apply a microporous paint directly.
Cracks appear: In most cases, the paint must be removed with a chemical paint remover or hot air gun, and then repainted. If the fracture range is not large, then sanding blocks or wet or dry sandpaper can be used to dilute the broken paint. After the surface has been smoothed, apply putty, apply a primer, and repaint it.
There are many causes of stain on the surface of stains. For example, the moisture in latex paint dissolves the substance on the wall and the paint is rusted. The wall surface rubbed with steel wool can cause rust, and the dark pipe inside the wall appears stains. Wait. In order to prevent stains, a layer of primer containing aluminum powder may be applied first. If stains are present, remove the emulsion paint at the stains first, brush the primer layer containing aluminum powder, and then re-paint.
Lost gloss: The reason is that the primer is not applied, or the primer and the inner layer of paint are not dry, and the gloss paint is directly applied. As a result, the glossy paint is absorbed by the wood and loses its luster. The poor quality of glossy paint is also a reason. Grind the old paint with wet or dry sandpaper, brush the dust, wipe the surface with a clean, damp cloth, and dry the paint again. It is important to pay attention to the fact that paint is applied in very low temperatures and the paint film may lose its luster after it has dried.
Rough paint The newly painted surface is rough: Usually the paint brush used is not clean or contaminated by the surrounding environment. It is also possible that the paint is mixed with patent leather, which has not been precipitated and filtered before use, or has been dusted when the paint is dry. In order to prevent these problems from occurring, clean paint brushes and paint buckets must be used. Before using the old paint, be sure to filter it with paint filter paper or clean nylon stockings. In addition, the painted surface should be covered with a cover or cardboard when the paint is dry to prevent dusting. If the paint is rough, after it has dried, use a wet or dry sandpaper to polish it and clean it, then repaint it. Pay special attention to the paint brush must be clean.
Paint does not dry: poor indoor ventilation or low temperature, the paint will dry slowly. It is possible to open all doors and windows to promote ventilation, or put a heater indoors to increase room temperature. If it still fails to solve the problem, it may be that the painted surface is greasy. This can be removed with a chemical paint remover or a heating method, thoroughly rubbing the surface, and then repainting.
The lacquer sticks to the bug: try to remove the bug when the paint is dry, and then use a brush to lightly repair the surface. If the paint has started to dry out, wait for the paint film to harden completely, and then wipe off the bug. This will not mess the surface.
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