SWP SealTight is a superior clear concrete sealer that deeply penetrates (2–4") into the surface to permanently protect concrete and masonry from moisture, salt, efflorescence, and surface deterioration. Unlike surface-only sealers like siloxanes or solvent-based coatings, SealTight chemically bonds within the substrate for long-lasting performance — without flaking, yellowing, or peeling. ✔️ Deep penetrating (not just a surface film)✔️ Increases substrate strength and resists spalling✔️ Dries clear — no sheen, no discoloration✔️ Non-toxic, non-flammable, and ultra-low VOC✔️ Compatible with Maxseal Flex, Drizoro repair cements & coatings✔️ Allows coating over with paint, epoxy, or acrylics✔️ Encapsulates alkali to reduce efflorescence and extend coating life Recommended For:Basements, garages, retaining walls, driveways, concrete tanks, and surfaces requiring deep waterproofing. Download Technical Data Sheet: Frequently Asked Questions Q: Can SWP SealTight be painted over?Yes. It provides excellent chemical bonding for acrylic, epoxy, and urethane coatings. Q: Is SealTight safe to use indoors?Absolutely. It's non-toxic, non-flammable, and extremely low in VOCs. Q: Will SealTight change the look of my concrete?No. It dries completely clear with no sheen and won’t discolor surfaces. Q: How deep does SealTight penetrate?Between 2–4 inches depending on porosity of the substrate.
