Repairs & Product Info

Can you sand Flex Seal?

No, we do not recommend sanding Flex Seal. However, if the surface you’ll be applying Flex Seal to has rust on it, sanding that area before application can help with Flex Seal’s adhesion.
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What is the difference between Flex Seal and Flex Shot?

Flex Seal is liquid rubber in a can. It sprays out as a thick liquid, seeps into cracks and holes, and dries to a watertight, flexible, rubberized coating that stops leaks fast. Flex Shot is a super thick rubber sealant that caulks, bonds, and seals, without the need for a caulk gun. It has...
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How Long Does Flex Seal Last?

Depending on the environment, coats added, and maintenance, many people have found Flex Seal will last for years without cracking, peeling, or losing any of its strength or sealing properties. 
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How does Flex Caulk work?

Flex Caulk works right out of the can, no caulking gun needed. Just remove the cap, adjust the flow setting to the desired amount, hold Flex Caulk at a 45° angle, and push the trigger down to begin the flow of caulk. Keep pushing the trigger while moving the nozzle across the area and...
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Do you peel the backing off Flex Tape?

Yes, but DO NOT peel the backing off until you cut Flex Tape to your desired size. Follow these steps for a successful application: 1. CUT. Leave backing on tape and cut to the desired dimension. Make sure to use a high-quality utility knife with disposable blades or a razor blade when cutting. 2....
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Will Rubbing Alcohol Remove Flex Seal?

Rubbing alcohol has many uses, but removing Flex Seal is NOT one of them. If you need to remove Flex Seal from a surface, you have a few options depending on the type of surface. For metal: Use a damp rag and acetone. For wood, fabric, or carpets: Use mineral spirits. For the body...
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Can You Add Color To Flex Seal Liquid?

So you’re ready to coat, seal, and protect with Flex Seal Liquid and are thinking about adding dye to the product to create a custom color. Unfortunately, we do not recommend adding anything to Flex Seal Liquid to change the tint or color, as it may impact the product's performance. However, you can paint...
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