There are many important links in home improvement, and paint is definitely one of the links. And the paint is indeed prone to some problems, so people are caught off guard. In fact, if you want to have a satisfactory result on the paint, then you need to learn some common problems about paint before you can remedy the problem and ensure a good result.

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1. 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.

2, film wrinkling: usually because the first time the paint is not dry brush that caused the second time. At this time, the solvent in the lower layer paint will affect the upper layer of the film to make it wrinkle. In this case, the wrinkled paint film can be removed by chemical amalgamation or heating and repainted. Remember, we must wait for the first time before we can paint on the second pass.

3, paint flow: paint a brush too thick, that will cause runny. The paint can not yet dry, brush the paint to open. If the paint has started to dry out, wait for it to dry. Smooth the surface of the paint with a piece of shredded paper, wipe the surface clean, wipe it off with a damp cloth, and then re-apply the paint on the outside. Be careful not to brush too thick.

4, paint peeling: may be the reason for the surface is too smooth, if the original paint is a light paint or a powder (plus untreated paste paint), the new paint on the surface will not stick. 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, which can be ground with a piece of fine paper, then putty put on it, brushed with a primer and repainted. Large areas of peeling must be stripped of paint and repainted.

5, moldy discoloration: This problem occurs in the wet paint surface, such as water vapor condensation on the glass and metal surfaces often produce brown-black stains. At this point can be used fungicides, according to the instructions of the instructions to deal with moldy parts, to be killed after the mold, the surface clean and then re-paint.

6, stains: paint stains on the surface for many reasons. For example, the water in the latex paint dissolves the material on the wall and the paint is rusted. The wall surface that is rubbed with the steel wool can cause rust. Dark pipe leaks in the wall appear stains. To prevent blemishes, a layer of primer containing aluminum powder may be applied first. If stains are already present, remove the emulsion paint from the blemishes, brush the primer containing aluminum powder, and then re-paint.

7, lose luster: The reason is not on the primer, or the primer and the inner layer paint is not dry directly on the light paint, the result is a light paint absorbed by the wood and lose luster. The bad paint is one 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. Special attention should be paid to the fact that if the paint is applied under very low temperatures, the paint film may lose its luster after drying.

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