TFC Cement Sealer is a special and uniquely formulated sealer designed to seal all types of paving (clay & concrete). Cement Sealer is a penetrating water based sealer that uses the best properties of silicones and acrylics to protect the paver from most stains. Cement Sealer penetrates the paver and therefore maintains the anti slip and natural properties of the paver. Cement Sealer is DIY friendly. Cement Sealer may be used for interior and exterior applications and is UV stable.