How to prevent stone paint construction cracks? 2019 KeBao paint entire network

Artificial stone coating is one of the most popular paint exterior wall. Vivid stone paint effect, texture and color are close to the natural stone material, just a slight lack of hardness. Stone coating protection, water resistant, acid and alkali resistance, pollution, non-toxic, tasteless, strong adhesion, never fade, etc. It can effectively prevent external environment on the structure of the corrosion, prolong the service life of buildings. Next, KeBao building materials will share with you how to prevent stone coating cracks in construction. 1, 1) The coating hardness after the construction completion and dry stone paint coating will become very hard, cannot dig nails, so as to guarantee the quality of stone coating. 2) Paint good resistance to water, color stability, no color stone coating good water resistance. Even on a rainy day, there is no need to worry about some stone coating quality. In addition, the stone paint not turned white, without off color. 3) Stone paint has the realistic sense. Unlike ordinary paint, oil paint to create a vivid appearance, and easy to construction. 2. The construction technology of 1) Grind the metope, ensure that the paint adhesion. 2) Twice spraying primers and coating thickness of about 2 ~ 3 mm stone paint; Then spray varnish twice. 3) Construction standards: ( 1) Stone painting: choose suitable spray gun, control air pressure in the 4 - 7 kg/cm2, construction in more than 10 degrees Celsius temperature, thickness of about 2 - 3 mm. If you want to coated with two layers or three layers of coating, the interval between them optimization for 2 hours, and can be polished in dry after 24 hours. ( 2) Polishing: use 400 ~ 600 mesh sandpaper, then gently raised sand grinding really stone paint surface. Be careful not to push too hard. ( 3) Spraying coverage: use spray gun, pressure of 4 - 7 kg/cm2, construction is not less than 10 ℃, spraying twice, about 2 hours, about 30 microns thickness, dry completely needs 7 days. 3. 1) how to prevent crack In the process of spraying Angle crack of Yin and Yang, Yin and Yang Angle cracks may occur. On-site solution: if there is a crack found Angle of Yin and Yang, spray gun, spraying a thin layer of coating and then spray again every half an hour, until the crack are covered. 2) Crack of surface crack of if, may be because the weather temperature difference is big, suddenly became cold, the inner layer and outer layer drying speed is different. The solution: use small nozzle spray gun, thin coating layers, then try to control the drying rate of each layer. The best spray again. 3) Film when the crack appeared in the process of spraying coating is not even, after the film coating cracks on the surface. This kind of circumstance should be specific analysis. In addition to pay attention to the spray method in the construction, if necessary, should also change the formula and trial production. Above is KeBao building materials, share with you how to prevent stone coating cracks in construction. I believe that after reading this article, you will have more understanding to stone paint construction. If you have mastered these details, you don't have to worry about the stone lacquer cracks. I hope this is helpful to you. Interested in stone coating friend can read more about the stone coating 'five tips to make your stone paint walls more beautiful' information.