Ecological, low odor, micronized transparent acrylic waterbased primer for internal and external use. Excellent adhesion and alkali resistance. It strengthens and penetrates in depth porous surfaces such as concretes, stuccos, plasters, gypsum and cement board, hydromats etc. It is based on silane/siloxane ensuring high breathability and water resistance and decreases the tendency of the wall salts to migrate. It increases the adhesion of finish paint. Easy to work with. Minimized content of hazardous substances. Reduced volatile organic compounds (VOCs). Covering Power: 15 - 20 m²/lt. Drying: 1 - 2 hours. Recoatability: 4 hours. Application: Brush, Roller, Spraygun.