Exterior wall coating paint, look be like simple but not simple

Shelter from the rain, fire insulation is the basic function of the exterior walls. However, with the development of the society, the function of the outer wall is also growing. In modern building decoration, outer wall also played a decorative role. Therefore, the current wall paint coating is not only a simple coating on metope, there are certain order, coating method and the matters needing attention. For exterior wall coating painting, the first thing to do is to deal with the bottom of the wall. On the metope should clean up some dust and other accessories. Should use different methods to different degrees of damage to metope remedy. Metope should be kept flat, so that the paint in the future. The second is the primer. Different from ordinary household adornment, wall primer must use special alkali resistant seal primer, which will help to improve the waterproof performance of exterior walls. In addition, the primer should be uniform coating, not too thick, so as not to affect the overall effect of the wall paint coating. After besmear to brush paint, still should undertake grinding work, at the same time keep the walls clean, avoid dust and other contaminants. Only in this way can paint applied to the outside wall. Should the metope lacquer besmear to brush at least twice. Because the outer wall has a certain height, in order to avoid because of the uneven coating and impact of the paint falls off the coating effect, exterior wall coating should be on one side of the wall edge coating to the other side of the edge, not the top-down coating sequence. General material under natural conditions can react with thermal expansion and cold contraction. In order to avoid the resulting wall crack, the exterior wall paint coating, should pay attention to the grid lines to set aside a certain distance, in order to prolong the action time of exterior wall coating. Exterior wall paint finish is not only a short term. From external long-term exposure in the outdoor air, the air pollution is very serious. It is easily destroyed by the pollutants in the air, and to produce a great impact on the appearance. Therefore, we should also attach great importance to the exterior wall coating after maintenance. We should be cleaned regularly, over a period of time after the renovation. Exterior wall coating, though seemed much more simple than ordinary household adornment, but don't careless handling, to ensure that the facade can give full play to its due role.