Flex Seal Flex Glue Rubberized Waterproof Adhesive 10 oz. White

Flex Glue Pro Adhesive 10 oz. is a super-strong, rubberized waterproof adhesive designed for heavy-duty bonding, sealing, and repair. Its PRO formula delivers enhanced instant grab to hold parts securely in place—often eliminating the need for clamps or braces. With a high-viscosity, no-run, no-drip consistency, this 10 oz cartridge is applied with a standard caulking gun and works on dry or wet surfaces, even underwater. Solvent-free, alcohol-free, paintable, UV* and mildew-resistant, Flex Glue Pro cures in 24–48 hours and reaches full strength in 7 days.

Ideal for concrete, brick, masonry, metal, wood, plastic, glass, tile, and more, Flex Glue Pro handles everything from pool repairs and outdoor fixtures to automotive, marine, plumbing, electrical projects and DIY hobbies. Whether you’re a professional contractor or a weekend warrior, this versatile adhesive provides a lasting, flexible bond in virtually any environment.

Key Features

• Super-strong rubberized formula for a flexible, waterproof bond
• PRO formula with extra instant grab for heavy materials
• Works on dry or wet surfaces—even underwater
• High viscosity prevents run and drip on vertical and overhead applications
• Solvent-free, alcohol-free, low odor, and paintable
• UV* and mildew-resistant for durable, long-lasting repairs
• Cures in 24–48 hours, reaches maximum strength in 7 days
• Fits standard caulking guns for easy dispensing