Repairs & Product Info

No. Once fully cured, Flex Super Glue is water resistant, but not waterproof. The application surface needs to be clean, dry, and free of oil or grease. Flex Super Glue should not be applied underwater. If you want a waterproof glue that can work underwater, use our original Flex Glue.

Whether you’re sealing up cracks, filling gaps, or tackling small home repairs, Flex Shot® is an excellent solution for creating a strong, waterproof seal with no need for a caulking gun. But how do you get the best results? In this guide, we’ll walk you through how to apply Flex Shot step-by-step, so your...

Flex Paste® is a thick, rubberized paste designed to adhere to various surfaces and create a strong, waterproof seal—but if it accidentally gets on your skin, removing it quickly is key. Step-by-Step: Removing Flex Paste from Skin 1. Act Fast If Flex Paste gets on your skin, work quickly to remove it before it...

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.

Flex Seal is a liquid rubber spray, and Flex Shot is a caulking rubber sealant. They will both stop leaks and fill cracks and holes, but what you need it for, will determine which one you use. Flex Shot offers more precision and can be used as caulking, whereas Flex Seal is sprayed on...

Flex Shot cannot be painted over, but it is available in Black, White, Clear, and Almond. 

Yes. Flex Seal seeps into cracks and holes and dries to a watertight, flexible rubberized coating that stops leaks fast. 

You can apply as many coats of Flex Paste as desired, just make sure to wait 24 hours for Flex Paste to cure before applying additional coats. 

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. 

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...