Paint knowledge: 7 preparations before wall painting

Core tip: wall decoration is an important part of the house decoration, not only beautiful, but also practical If you want to decorate the wall, you can't ignore the preparation work before painting Although the preparation work is quite time-consuming, but you can get really satisfactory results, why not? In fact, the time spent in the preparation work before painting the wall is more important than the time spent in the paint painting work The following building materials network for you to paint the wall before the 7 preparations 1 The first step is drying The materials used for building walls are usually "water wet" because 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 Paint Home News: wall decoration is a more important part of the house decoration, not only beautiful, but also practical If you want to decorate the wall, you can't ignore the preparation work before painting Although the preparation work is quite time-consuming, but you can get really satisfactory results, why not? In fact, the time spent in the preparation work before painting the wall is more important than the time spent in the paint painting work The following building materials network for you to paint the wall before the 7 preparations 1 The first step is drying The materials used in building walls are usually "water wet" materials, because they are all mixed with water, and the water content is quite high Excessive moisture will affect the adhesion of most coatings and cause blistering and cracking, and promote the growth of bacteria Therefore, it is very important to dry the wall thoroughly before painting If the wall cannot be completely dry, the waterproof primer can be used for preparation before painting 2 The second step is to remove the "water wettability" of Yanhua Building materials usually contain salt and alkali During the drying process of the structure, the salt in the materials will seep out with the moisture and accumulate on the surface At this time, use a wet cloth to wipe or hard brush to remove it The work should be repeated for several days until there is no salt bloom on the wall within 48 hours If the time is too short to remove the salt and alkali, the alkali resistant sealing primer can be used as the base treatment to ensure that the surface coating will last for a long time 3 The third step is to clean the base Remove the splashed cement particles and any loose or broken attachments If there is any floating dust or damage, remove the floating dust and repair the damaged parts for drying For the old painted wall, if there is blistering, cracking or peeling phenomenon, it needs to be completely scraped off 4 Step four approve the wall In order to obtain the best painting effect, after the base course is cleaned, the whole wall is scraped with internal batch of wall powder, and then it is ground smooth after drying It can be repeated for two or three times until the wall surface is flat and smooth 5 The fifth step is priming Brush a layer of waterproof primer or alkali resistant sealing primer on the flat wall after batch scraping, which can enhance the durability of the coating 6 Step 6 make special effects Sometimes in order to create a certain artistic effect on the wall, such as TV wall, special construction tools are used to roll and paint a thick layer of intermediate materials on the wall with different construction techniques to create a decorative texture with different styles Such as orange peel, sand wall, relief, etc (if no special effect is needed, this step can be saved) 7 Apply the surface coating in step 7 After a series of basic work above, we are finally at the last step, when you can choose the color you like to decorate your new house 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,