Flex Seal Liquid Rubber Sealant Coating 1 gal. Black

Flex Seal Liquid Rubber Sealant Coating is a thick, brush-on liquid rubber in a can that forms a durable, watertight barrier on virtually any surface. Whether you’re sealing roof leaks, patching gaps in gutters, waterproofing basements or protecting trailers and RVs, this flexible coating seals out water, air and moisture with ease. Simply brush, roll, dip or pour for fast coverage and long-lasting protection.

Formulated for both indoor and outdoor use, this 1-gallon Black can of Flex Seal Liquid is UV-resistant and chemical-resistant, helping to prevent rust and corrosion while keeping surfaces looking like new. Its smooth finish adheres to metal, masonry, EPDM, fiberglass and more—making it the go-to solution for a wide range of repair and maintenance projects.

Key Features

• Flex Seal Liquid is liquid rubber in a can—brush, roll, dip or pour it on
• Creates a watertight, flexible rubberized coating
• Goes on smooth and covers fast, sealing out water, air and moisture
• UV-resistant formula protects against sun damage
• Prevents rust and corrosion; chemical-resistant finish

⚠️ 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.