How to make the back really stone paint exterior wall coating a brother's face?

In recent years, in the field of external wall decoration, the development of the stone coating is in the midst of the heyday, really stone paint is one of the most popular among them. Thanks to its energy-saving, environmental protection, vivid stone effect, cost is lower than stone, so has been widely used. However, in the process of concrete construction, sand will often fall off. Next, exterior wall paint KeBao building materials to teach us how to find the first brother's face. Reason 1: improper operation construction personnel skilled construction procedures will increase to a certain extent, deoxidization; Factors such as incorrect blasting gun pressure and diameter is too large will also pose a serious sand control. Treatment: ( 1) Choose a rich construction experience of the professional team. ( 2) According to the requirement of the spraying effect, choosing the right caliber gun and small caliber gun phi is 2 ~ 4 mm, caliber gun phi in 4 ~ 6 mm, large caliber gun phi 6 ~ 8 mm, nozzle 40 ~ 50 cm from the wall. Generally speaking, in the process of spraying, the pressure of the air compressor to about 4 ~ 7 KGF adjustment. Reason 2: the emulsion quality is bad. Choose the residual emulsion, after construction exists many problems. In the meantime, residual emulsion of poor water resistance in particular. After the rain, the paint film become soft, sand will fall off in a certain extent. Treatment: choose well-known containing emulsion really stone paint, use a high resistance to water emulsion. The emulsion quality field evaluation method: 1. Grab a handful of really stone paint, in my hands for a while. Wash your hands after dry emulsion. 2. Good emulsion can form protective film after dried, even washing powder is not easy to clean. 3. Bad bad emulsion easy to clean with washing powder, emulsion don't even need to touch water or directly with a paper towel to clean. Reason 3: whether to use the color sand in general, higher hardness, surface lubrication tight sand is easy to fall off. In addition, the color sand improper exacerbate desanding classification. At present, really stone paint with sand is composed of artificial sand and sand texture. From the really stone paint made of colored sand removal of sand amount is less than the artificial sand. This is closely related to the hardness and surface state of sand. Treatment: ( 1) Choose color sand as an stone coating, energy conservation and environmental protection not only, not yellow, not white, and a good bonding effect, not easy to take off the sand. ( 2) Set up appropriate grading according to specific requirements, can not only decrease the shakeout in the process of spraying, also can make sure that the coating density. Above is KeBao building materials to share with you about how to make a really stone paint back on exterior wall coating first brother's face. I believe that after you read these questions also will note them. If you have a good grasp of these problems, really stone paint will return to the position of the first elder brother the external walls, hope to help you. Interested in really stone paint friend can read more about really stone paint 'why didn't really stone paint construction after the effect of the template effect is good? 'The information.