Water bag water color paint on an old wall should be how to construction?

Water bag water color paint is a new type of exterior wall decorative coatings. It not only can be used in new construction energy conservation transformation, also can be used in the renovation and decoration of the old wall. So, how do water package colorful coating applied to the old wall? Old metope is usually a cement, paint, stone and brick wall surface. Construction of the main difficulties and the key lies in the basic processing, processing at the grass-roots level directly affect the construction of water bag colorful 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: 01 clean wall: if metope is loose and protruding parts, must be thoroughly cleared. If the old coating due to shatter and fall off and not waterproof, high pressure water to rinse the old coating should be used. With the wall of the oil pollution and dust should use cleaner or lye. 01 clean walls, clean with clear water clean walls, ensure walls have no oil, dust and other impurities. 01 walls for local repair damaged parts. Response after repair the walls of the necessary maintenance. In order to improve the adhesion of coating, old walls must be coated with seal primer, stay dry completely before sealing primer spraying water bag color coating. Spraying water package: colorful coating with special spray gun evenly spray water bag 1 - colorful coating 2 times, 12 hours ( 23±2℃) , spraying water bag and colorful paint dry after 24 hours, spray gun evenly spray varnish 1 - The 2, 4 - apart 6 hours. Note: 1. Do not force stirring color water package coating 2, 3 do not mix other substances, do not add water dilute 4, as far as possible after an open cans coating after use.