Add colour to your block paving to make it look like new. Smartseal "Block Magic" is a blend of liquid pigments and acrylic resins that soaks deeply into paving, totally transforming and protecting block paving driveways and patios. 'Block Magic' replaces the colour that sun, rain, vehicles and pressure washing has taken away. Apply one coat of 'Block Magic' by brush or roller, leave to dry, re-sand the joints and then apply a coat of our clear sealer. PLEASE NOTE: old or poorly conditioned pavers may require two coats of Block Magic to achieve a uniform finish. ***NOT TO BE USED ON CLAY PAVERS OR IN COMBINATION WITH THE POLYURETHANE Transforms Old Block Paving Recolours and Protects UV Stable Colour Fast Stain Resistant Hard-wearing Covers 3 m²/litre on average based on one coat (coverage may be reduced to around 2.