Flex Seal Flex Tape Rubberized Waterproof Tape 8" x 5' Black

Flex Tape® Black is the original super-strong, rubberized waterproof tape designed to patch, seal and repair virtually anything. Its thick, flexible backing conforms to any shape or object, instantly bonding to dry or wet surfaces—even underwater. As pressure builds, Flex Tape’s powerful adhesive grows stronger, creating a long-lasting, watertight barrier against leaks and moisture.

Whether you’re tackling emergency pool repairs, sealing gutter joints, patching RV roofs or reinforcing plumbing, Flex Tape delivers industrial-grade performance in a convenient 8-inch by 5-foot roll. UV resistant and VOC-free, it stands up to extreme temperatures and weather conditions for reliable protection indoors or out.

Key Features

• Super-strong, waterproof rubberized adhesive
• Conforms to any shape, crack or gap
• Bonds instantly to dry, wet or submerged surfaces
• Seals out water, air and moisture for a watertight barrier
• UV resistant and environmentally friendly (VOC-free)
• Temperature-tolerant from –70 °F to 200 °F
• Easy to use—cut, peel, stick and seal in seconds
• Ideal for emergency repairs on pools, roofs, boats, gutters, pipes and more