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    Home > Coatings News > Paints and Coatings Market > Common knowledge of coating: how to paint the moldy wall

    Common knowledge of coating: how to paint the moldy wall

    • Last Update: 2020-04-03
    • Source: Internet
    • Author: User
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    Core tip: the coming back to Nantian haunts the residents of Guangdong Province The coming tide of returning to Nantian makes all the owners' walls appear black mould spots in varying degrees, and the appearance of the whole house is damaged To get rid of the mildew and change the color of the wall to make the wall fresh, what should we do Below by small make up to answer how to brush wall paint on moldy wall Generally, the mildew on the wall is mainly caused by the humid weather, because the indoor and outdoor humidity are in the wall, and as soon as there is more water, the black spots will become moldy First of all, we should get rid of the moldy place Application scope and advantages of roller ceramic coating Recommended introduction: the surface of ceramic rubber plate used for roller ceramic coating is cast into durable rubber plate by hundreds of independent small ceramic pieces Each ceramic piece has raised characteristics Under general conveyor belt pressure, thousands of unique cast bumps can produce positive traction, prevent slipping and extend the service life of conveyor belt roller At the same time, the bottom layer adopts high-quality rubber, which has strong elasticity and can play a good impact resistance role The scope of application of roller ceramic coating is one three six 83857180 (the same as V) 1 Roller coating in extremely harsh working environment 2 The belt joint is not suitable for fixing with iron buckle; 3 It is suitable for leather Home of paint news: the return to Nantian, which is like "turning the clouds and covering the rain", is bothering the residents of Guangdong Province With the tide of return to Nantian, the walls of all the owners' houses have black mould spots in varying degrees, and the appearance of the whole house has been damaged To get rid of the mildew and change the color of the wall to make the wall fresh, what should we do Below by small make up to answer how to brush wall paint on moldy wall Generally, the mildew on the wall is mainly caused by the humid weather, because the indoor and outdoor humidity are in the wall, and as soon as there is more water, the black spots will become moldy First of all, the moldy place should be eradicated, because the mold has not been cleaned, it will still be moldy in the future It is suggested that the treatment of fungicide and bacteria should be followed by the treatment of impermeability agent If the original wall surface is basically flat and there is no uneven place, you don't need to shovel it off when changing the color again You only need to polish the wall surface once with sandpaper, and the best way is to expose the primer If there is any uneven place, it is still necessary to polish all the paint surface to expose the putty layer, and then make the primer and finish paint in turn after leveling with putty There are still some problems to be noticed in wall painting: first, use a finer sandpaper as much as possible for polishing If the sandpaper is too thick, it will leave deep sand marks, and the paint can not be covered After polishing, the wall must be cleaned thoroughly to avoid too much dust, affecting the adhesion of the paint Second, the primer must be brushed evenly to ensure that every part of the wall is brushed If the wall has a large amount of paint, it is better to add a little more water to the primer to ensure that it can be brushed evenly Don't think it's better to use a roller with a little bit of primer The brushing effect of primer will directly affect the effect of finish paint Use a roller with the same texture as the finish paint After the putty is polished, some defects (pits) will be left Generally, it is difficult to see them clearly Only after one coat of paint is brushed, it will be obvious At this time, it needs to be mended Pay attention to that the mending must be polished and leveled, and then brush the primer with a little more water to avoid color difference due to different water consumption with other walls when painting the top coat When applying the top coat, do not add too much water, which will affect the thickness, feel and hardness of the paint film Try to choose a better tool The hair of the roller should not be too short, but it must be fine, so that the paint film will feel fine The painting mainly pays attention to the corner of the wall, the middle part of each roller and the direction of paint collection Otherwise, the reflection angle will be different, and there will be differences in vision 4 hours after the latex paint is applied, it will dry, but the dry paint film has not reached a certain hardness, which needs to be treated Do not scrub or touch the wall within 7 to 10 days Home of coatings is specialized in coatings, diatom mud, paint coating, coating technology, fire retardant coating news and coating, diatom mud, paint coating, coating technology, fire retardant coating decoration knowledge and decoration renderings,
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