Drylok 25513 Wet Wall Bonding Primer, Matte, White, 1 gal (Pack of 2)

Apply to dry, wet, bare or pre-coated masonry, concrete or stone structures before painting or waterproofing (not for use on fishponds). It offers outstanding adhesion and efflorescence and mold and mildew resistance. Application to green concrete (newly poured) is safe up to alkalinity of a pH of 13. Easy to apply and clean up with soap and water.