Flex Seal

WARNING: California Proposition 65 Notice.

FLEX SEAL^®

LIQUID RUBBER IN A CAN

Flex Seal

The amazing product that started it all.Sprays out as a thick liquid, seeps into cracks and holes and dries to a watertight, flexible, rubberized coating that will Stop Leaks Fast^®. Once dry, can be painted any color. 

Flex Seal Colors

The same, legendary, leak-stopping power of Flex Seal in 8 additional vibrant colors! Choose from Almond, Blue, Brite, Brown, Grey, Green, Red, and Terracotta. Available in 14oz cans.

Use Flex Seal and Flex Seal Colors for:

• Roof and gutter repair

• Weatherize your home

• Foundation and concrete waterproofing

• Indoor and outdoor projects

• Seal cracks and holes

• Pools and pool equipment

• RV and motorhome repairs

• Auto and boat repairs

• Bathroom fixes

• Furniture repair and much more

Works on: Wood, metal, tile, concrete, masonry, fabric, glass, plastic, aluminum, porcelain, dry wall, cement, and more.

It's like a
HANDYMAN IN A CAN^®

*Review count based on 5 star amazon.com reviews, collected between October 2011 and December 2023, and 5 star Bazaarvoice reviews from our retail partners, collected between July 2013 and December 2023.