Bostik Screedmaster A526 Universal Primer is a water based solvent free, acrylic dispersion primer.
Use as a primer/bonding agent prior to the application of any of the Screedmaster range of smoothing compounds. In undiluted form it can be used on all smooth and dense surfaces, power floated concrete, ceramic tile, quarry tile, rigid metal, terrazzo, asphalt and surface membranes. In diluted form (1:2 with clean water) it can be used on porous substrates, including sand/cement and wooden boards etc.
Coverage: Undiluted as a bonding aid - 75 to 100m2. If diluted as a primer then between 120 to 150m2. Bottle is 5 litres.