Bostik Integral Waterproofer reduces efflorescence and lime bloom by restricting moisture movement. It aids the reduction of crazing in rich mixtures by controlling the rate of evaporation. It waterproofs/plasticises mortar for external or basement renderings and in swimming pools, sewers and tank linings as part of the overall waterproofing system specification. Chloride-free with no corrosive effect on reinforcement. Not suitable for use in structural concrete

• Does not inhibit vapour transfer
• Improves mortar workability
• Ideal for renders