How old metope construction many colored stone coating

Old metope is commonly cement surface, the paint, terrazzo, brick wall surface, etc. Construction of the main difficulties and focus on basic processing, processing at the grass-roots level directly affect the construction of colored stone coating effect and decorative effect. In actual construction, should according to the different treatment scheme of different base material design and construction process. Main construction procedure is: the underlying process: first, in the smooth of old ceramic tile ceramic tile on the roller surface update interface agent, the interface agent can quickly penetrate into ceramic tile, in formation on the surface of the ceramic tile has a certain tolerance of rough interface, improve the bonding strength between the coating and bottom putty, etc. ( Ceramic tile surface rolling before renovation interface treatment agent, wash clean float ash on the surface of the ceramic tile with high pressure water and the oil; Remove empty drum, delaminating damage, such as use cement mortar repair) Be bored with child make level: in the rough, coarse interface agent blow be bored with child make level on the coating. Here what should remind is, must use special exterior wall putty. Outdoor wind environment, day, rain, high temperature baking and low temperature freezing and thawing of the metope adornment layer, crack resistance, water resistance, alkali resistance, mildew resistance and weatherability putty is much higher than the interior decoration. Seal primer: in order to improve the adhesion of coating, old walls must be coated with seal primer, after being completely dry seal primer, coating color stone paint. Color: color stone painting spraying neutral paint colored, after drying with special spray gun evenly colored stone paint 1 - 2 times, 12 hours ( 23±2℃) , 24 hours after spraying dry, 1 - spray gun evenly spray paint 2 times, each time interval of 4 - 6 hours. After the completion of the primer, don't forget to separate walls, in order to improve the effect. Refer to external wall dry hanging stone style, eaves line and Windows should be separate, line should be turned to the inside window frame. If the floor is very short, every bolt should use 0. 8 - 1. The partition of 8 cm.