Premium quality polyurethane concrete crack and masonry sealant. Commercial grade sealant developed especially for forming permanent, water and weatherproof seals in all exterior gaps and joints. This sealant is elastic and remains flexible to expand and contract with construction material movement to protect and retain the original seal. Loctite PL polyurethane concrete crack and masonry sealant does not require a primer for concrete, brick, stone, or masonry, and resists deterioration from weather, stress, or movement. Recommended for repairing cracks in vertical and horizontal surfaces such as concrete walls, foundations and brick and block walls. Bonds concrete, brick, stucco, metal, vinyl, fiberglass, and many more substrates. Not recommended for underwater applications or permanent water immersion. Applications requiring temperature resistance greater than 200 deg. F (93 deg. C). Joint depths greater than 1/2" without the use of backer rod. Use with fillers impregnated with oil, asphalt, tar, or any other migratory saturant. Contact with oil-based caulking compounds, butyl caulking compounds, and silicone sealants (uncured and cured). Coverage: Approximately 31' at 1/4" bead. Uncured adhesive clean up: mineral spirit. Cured adhesive clean up: Cut or scrape.