Flex Caulk is our latest innovation in caulking technology. It’s a high-performance, hybrid polymer caulk, delivered through our Adjustable Trigger Flow Nozzle™, which eliminates the need for a caulking gun and allows you to control the flow of caulk.

Flex Caulk is our latest innovation in caulking technology. It’s a high-performance, hybrid polymer caulk, delivered through our Adjustable Trigger...

FLEX SHOT ® SUPER THICK RUBBER SEALANT THAT CAULKS, BONDS AND SEALS. An easy-to-use, thick rubber sealant that caulks, bonds, and seals - forming a watertight, flexible barrier. No running or dripping, and it never shrinks or cracks. Best of all, there’s no need for a caulking gun. Just push the nozzle for a perfect bead every time.

Flex Caulk is our latest innovation in caulking technology. It’s a high-performance, hybrid polymer caulk, delivered through our Adjustable Trigger Flow Nozzle™, which eliminates the need for a caulking gun and allows you to control the flow of caulk.

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.

How To Use Flex Caulk. Flex Caulk is our latest innovation in caulking technology. It’s a high-performance, hybrid polymer caulk that is so easy to use. This super-strong waterproof caulk is delivered through our Adjustable Trigger Flow Nozzle™, which eliminates the need for a caulking gun and allows you to control the flow of the product.

Flex Caulk is our latest innovation in caulking technology. It’s a high-performance, hybrid polymer caulk that is delivered through our “Adjustable Trigger Flow Nozzle™, which eliminates the need for a caulking gun and allows you to control the flow of the product.

Learn how to caulk a shower, bathtub, toilet and more with Flex Shot, an easy-to-use rubberized seal that repels water, with no caulking gun required. Want to learn how to caulk a bathroom like a pro?

Flex Seal Liquid seals out air, water, and moisture, and is mildew, chemical, and UV resistant. Available in Black, White, Clear, and Gray. • Concrete and asphalt repair

IF YOU NEED FLEX SEAL PRODUCTS TODAY, CHECK WITH THESE RETAILERS. Be sure to always buy from a trusted source, and remember, genuine Flex Seal products are only made in the USA. Avoid any products claiming to be a Flex Seal product that ship from overseas.