Wall construction | precautions for wall painting

Core tip: wall painting is an important part of home decoration The process seems simple, but in fact, it's quite particular There are many precautions in the process of wall painting that need attention The following will explain the contents of wall painting precautions for you First, precautions for wall painting 1 Pay attention to the weather conditions before wall painting to avoid commencement in rainy and snowy weather 2 For the wall that needs to be shoveled, the base surface of the wall must be well treated For the old wall, the mould spot, oil stain, floating ash and loose coating must be completely removed, the hole leakage shall be repaired in time, and the rough sandpaper shall be used for grinding and leveling 3 The humidity of the wall is not Paint knowledge how about Akzo Nobel Powder Coating Recommended introduction: powder coating is a kind of coating with different form from general coating, which is in powder form It is a new type of coating, because of its own 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the old wall, the mould spot, oil stain, floating ash and loose coating must be completely removed, the hole leakage shall be repaired in time, and the rough sandpaper shall be used for grinding and leveling 3 The humidity of the wall should not be too high Generally, the humidity of the construction wall of emulsion paint is less than 10% If the humidity is too high, it will affect the adhesion of the paint film, causing the paint film to bubble and fall off 4 The alkalinity of the wall should not be too strong Generally, it is required that the basic pH value of emulsion paint construction wall should be less than 10 5 When painting the wall, the principle of vertical painting from top to bottom, one pen set and one pen, or horizontal painting from left to right, without missing the pen shall be followed 6 In the process of brushing lime slurry, the lime slurry shall be continuously stirred to avoid lime slurry sedimentation and different stripes on the wall 7 When painting and decorating the newly painted paper reinforced ash wall, it is necessary to wait until the outer layer of lime is completely dry, otherwise there will be spots on the wall, which will affect the beautification 8 When refreshing the color on the dark old lime wall (except for the glue white wall) and the wall with more spots, the white ash water must be used first, and the color can be refreshed after the wall is dry and white Second, precautions for wall painting in summer 1 Pay attention to the preservation of the paint The temperature in summer is high, and the paint is inflammable, which is likely to cause fire due to improper storage Therefore, the paint should be stored in a cool and ventilated place in summer, and the sealing of the storage container is better Keep away from open flames and electrical outlets It is recommended that the paint purchased be used up within one month 2 Extend the drying time of wall putty Before painting the wall, the putty should be applied first, usually 1-3 times, and the drying time is 1-2 days In summer, when the weather is hot and wet, the time for putty to dry out should be extended as much as possible, with 2-3 days as appropriate Especially in typhoon days, the time of putty drying will be lengthened 3 In summer, when painting the wall, try to avoid rainy days Because in rainy days, the wall foundation will be wet during construction, it is very easy to appear the illusion that the wall has dried out If the wall is not completely dry, the paint will be painted, and the water will penetrate into the paint surface, which will easily lead to the loss of adhesion of the paint film, resulting in wall bulge Therefore, in summer, it is best to measure the water content of the wall with the help of professional instruments before construction 4 After painting, the wall should avoid exposure to the sun In summer, the sun is strong If the painted wall is exposed to direct sunlight for a long time, the color of the wall will fall off easily, and the white wall will turn yellow easily In addition, the exposure will cause the wall to heat up, and the wall temperature will drop after painting, which will cause the paint surface to crack Whether it's painting by yourself or often by the decoration company, all decoration owners should pay attention to the above precautions for wall painting and construct carefully before painting the perfect wall 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,