FLEX SEAL MAX Black Liquid Rubber Sealant Coating - 2.5 gal.

FLEX SEAL LIQUID MAX is a thick rubberized liquid that you can brush, roll, dip or pour. It starts out as a thick liquid and dries to a strong, flexible, watertight, rubberized coating. Seals out air, water and moisture and is mildew, chemical and UV resistant. Non-hazardous, non-flammable and safe around plants and animals*. *When Flex Seal Liquid is in a fully cured and dried state.