Images for illustration purposes only Reduce dust in the environment using this highly effective transparent dustproofer. Watco Wallseal produces a silky, low sheen finish to dusty concrete pillars and gritty brick and blockwork walls. One coat is generally sufficient to dustproof. A second coat may be required on some surfaces to produce a wipe clean sealed surface. Recommended areas of use Suitable for virtually all surfaces including render, plaster, concrete, blockwork and brickwork Features Seals, dustproofs and protects Resists staining Minimal darkening effect on the substrate Easy to apply thanks to its water based formulation