Transform, Re-Colour & Restore Old Concrete Paving Slabs Patio ColourSeal is superior in performance to cheap concrete paint products that are readily available from most DIY stores. Application is easy and can be done by most homeowners who consider themselves reasonably handy at DIY. Once applied, Patio ColourSeal can have a transformative effect on old man-made concrete paving slabs. If required it can also be used to totally change the existing colour of any concrete paving. During application and to improve the slip resistance of the paving, anti-slip granules can be added to the last coat. Coverage: First Coat: 4m² per litre (dependent on the surface) 2nd Coat: Approximately 5m² ENSURE AREA HAS BEEN THOROUGHLY CLEANED WITH THE SMARTSEAL XTREME CLEANER BEFORE.