FLEX SEAL EPOXY

Engineered for Extreme Conditions.

Permanent Bond

1-gram lifts and holds
8 tons (Liquid).

High Heat Resistant

Withstands temperatures up to 550°F (Liquid) / 350°F (Putty) once fully cured.

Workable Finish

Can be shaped (Putty), sanded,
drilled, and painted (Liquid & Putty).

Weatherproof

Designed for extreme
conditions indoor & outdoor.

UL Verified

Strength verified by UL Solutions, a global leader in safety testing.

Fix it for the Long Haul.

Flex Seal Epoxies provide the strength you need to make worry-free repairs that last.

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Restore broken concrete in minutes.

Seals active leaks and holds under pressure.

Fixes broken grill handles with a heat-proof hold.

Locks wood and steel back together.

Bonds metal parts with lasting precision.

Restore broken concrete in minutes.

Seals active leaks and holds under pressure.

Fixes broken grill handles with a heat-proof hold.

Locks wood and steel back together.

Bonds metal parts with lasting precision.

Restore broken concrete in minutes.

Seals active leaks and holds under pressure.

Fixes broken grill handles with a heat-proof hold.

Locks wood and steel back together.

Bonds metal parts with lasting precision.

Simple 1:1 mix with no guesswork.

Easily secures mirror brackets.

Performs through extreme heat, fuel, and vibration.

Prevents seepage and holds against saltwater.

Strengthens pipe joints for lasting performance.

Simple 1:1 mix with no guesswork.

Easily secures mirror brackets.

Performs through extreme heat, fuel, and vibration.

Prevents seepage and holds against saltwater.

Strengthens pipe joints for lasting performance.

Simple 1:1 mix with no guesswork.

Easily secures mirror brackets.

Performs through extreme heat, fuel, and vibration.

Prevents seepage and holds against saltwater.

Strengthens pipe joints for lasting performance.

Available in Putty & Liquid

flex seal liquid black being applied with roller in a basement

Strength You Can Shape.

A hand-moldable, steel-strong putty that fills, rebuilds, and seals – even on wet surfaces and underwater. It cures rock-solid and holds tight.

flex seal liquid gray being applied on metal roof with roller

Precision Mixing. Powerful Hold.

A controlled, 1:1 delivery system that ensures a perfect mix every time. Creates a high-strength bond ideal for detailed, vertical, or overhead applications.

flex seal liquid outside next to planter

Fast Fix. Strong Finish.

Two-tube convenience for quick applications and secure performance. Easy to mix, smooth to apply, and cures to a 6,000 PSI bond.

Tested. Trusted.
Talked About.

See how real customers used Flex Seal Epoxy for their projects and repairs.

Fast drying time

This is the strongest epoxy I have ever tried I love it. I was able to glue a door handle and bumper on a car and it is so strong. We are very happy and will be buying more.

Juan

Fixed my motorcycle part!

So handy!! Bonded a broken metal piece on my motorcycle engine. Waited the next day and it was dry. Covers well and easy to control.

Sydney

Works great!

We used this on the lid on our pool pump that had a crack in it, and it works great! It’s very well water proof. Highly recommend!

Brittany

Reliable and strong

I recently used Flex Seal Epoxy for a small repair on a cracked outdoor faucet fixture. The application was straightforward, and the consistency allowed for a clean, controlled bond.

Nimah

Engineered for Extreme Conditions.

Fix it for the Long Haul.

Available in Putty & Liquid

Strength You Can Shape.

Precision Mixing. Powerful Hold.

Fast Fix. Strong Finish.

Tested. Trusted.
Talked About.

Have questions?

No Cracks in Our Track Record

Engineered for Extreme Conditions.

Fix it for the Long Haul.

Available in Putty & Liquid

Strength You Can Shape.

Precision Mixing. Powerful Hold.

Fast Fix. Strong Finish.

Tested. Trusted. Talked About.

Have questions?

No Cracks in Our Track Record

Tested. Trusted.
Talked About.