Bostik AP250 Flexibond 2.5L

A water-based, solvent-free acrylic dispersion primer to be used 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. Primer and Sealer for for tile adhesives Enhanced Adhesion to non porous substrates and tiles Can be used as a flexible admixture with cement based tile adhesives or grouts Reduces permeability