Images for illustration purposes onlyA colourless liquid resin which penetrates deep into concrete or other porous materials to provide a dust proofed, hardened surface. Watco Universal Sealer Dustproofer strengthens weak, dusty screeds and poor quality concrete. It also reduces porosity and dusting on brick, blockwork and plaster walls. Recommended areas of useIdeal for previously untreated concrete and masonry surfacesUse on floors and walls, in factories, warehouses, machine shopsSuitable for treating cement screeds, porous tiles, brickwork, blockwork and plasterFeaturesSuitable for a wide range of porous surfacesLow solvent content and virtually odourlessVery easy to applyMicro porous allows substrate to breatheWatco Universal Sealer Dustproofer is easily applied to new or old concrete surfaces using a soft broom.