DRYLOK Natural Look Curing Membrane & Penetrating Sealer is a dual-purpose coating designed for curing and sealing new concrete and sealing existing concrete. DRYLOK Natural Look Curing Membrane & Penetrating Sealer will also solidify powdery and chalking concrete and masonry prior to painting. Therefore, it is ideal under latex, alkyd, or polyurethane concrete floor paints or carpeting. Note: for self-adhesive floor tiles, check with the tile manufacturer for adhesion compatibility.