Flex Seal Liquid Rubber Sealant Coating 1 gal. Clear

Flex Seal Clear Liquid Rubber Sealant Coating is a versatile, easy-to-use rubberized coating that starts as a thick, pourable liquid and cures to form a super-strong, watertight barrier. Designed for both indoor and outdoor use, this clear, 1-gallon formula seeps into cracks and holes, then dries to a flexible, weatherproof finish that blocks air, water and moisture while resisting UV degradation, extreme temperatures, mildew and chemicals. Ideal for DIY projects—from roof and gutter repairs to sealing foundations, boats, RVs, ponds and more—this sealant creates a durable, non-slip coating that helps prevent rust, corrosion and noise.

Whether you brush, roll, dip or pour it on, Flex Seal Clear Liquid Rubber Sealant offers a seamless, paintable surface with no primer required. Safe around plants and animals, it adheres to a wide range of materials including metal, masonry, wood, plastic, glass and vinyl, making it the go-to solution for weatherproofing, leak repair and protective coatings.

Key Features

• Forms a watertight, weatherproof, non-slip rubberized barrier
• Blocks out air, water and moisture
• Resistant to rain, snow, sun, wind, hail, UV degradation and extreme temperatures
• Mildew and chemical-resistant; helps prevent rust and corrosion
• Safe, non-toxic formula—ideal for use around plants, animals, fish tanks and ponds
• Paintable surface with no primer required
• Applies by brush, roller, dip or pour for maximum versatility

⚠️ WARNING: This product can expose you to chemicals, including Toluene, which is known to the State of California to cause birth defects or other reproductive harm. For more information, go to www.P65Warnings.ca.gov.