Many owners will gradually find that the wall surface of the house is beginning to expose some quality problems. When the new house is decorated, standard construction is the top priority for home improvement, and the master's skill is particularly important. Today we come to talk about how to solve the following phenomenon if the wall is painted.
1 Peeling paint
The surface may be too smooth. If the original paint is glossy or powdery (plus untreated color paste coating), the newly applied paint will not stick well on the surface. Or it may be decayed wood or rusty metal, or some flaking due to poor paint quality.
2 Paint blistering
First, puncture the bubble. If water comes out, it means that there is moisture infiltration under or behind the paint layer. If there is no water in the bubble, it may be that the wood grain is cracked and there is a small amount of air. Faced with this situation, first scrape off the blistered paint, then use resin filler to fill in the cracks, repaint, or no filler, after scratching the paint, directly apply microporous paint.
3 Cracks appear
In this case, it is necessary to remove the paint with chemical paint remover or hot air spray gun, and then repaint. If the fracture range is not large, you can use a sanding block or wet and dry sandpaper to wet the water to grind off the broken paint. After the surface is polished and smooth, apply putty, brush with primer, and repaint.
4 Stains
There are many reasons for stains on the surface of paint. To prevent stains, you can first apply a layer of primer containing aluminum powder. If stains have occurred, you can remove the latex paint at the stain first. After applying the primer containing aluminum powder, repaint.
5 Wrinkled paint film
Usually caused by the second pass before the first pass of paint is dry. At this time, the solvent in the lower paint will affect the upper paint film, causing it to wrinkle. In this case, use the chemical mercury removal agent or heating method to remove the wrinkled paint film and repaint. You must wait for the first paint to dry before you can go to the second.
The above are the problems often encountered in the use of paint. You can refer to these methods in the decoration work to solve your paint use problems.
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