What temperature should I apply Flex Seal?

A: Flex Seal Liquid is best applied to surface temperatures from 32°F to 120°F. Once fully cured, Flex Seal Liquid can withstand temperatures from -80°F to 350°F.
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Can you apply Flex Seal when its cold?

If cold air or water does begin to enter your home, Flex Seal, Flex Tape, and Flex Shot are all great products made to STOP LEAKS FAST and can be used on wet surfaces.
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How Long Does Flex Seal take to dry in cold weather?

A: Dry time depends on the temperature, humidity, and thickness of the coating. Flex Seal will usually dry to the touch within 2 to 3 hours and fully cure in 24 hours. It will get stronger over time.
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Can Flex Seal be applied to a wet surface?

A: Flex Seal can be applied on a wet surface or moist environment in an emergency. However, it will always adhere better to a clean, dry surface. We recommend you reapply Flex Seal once the area is completely dry to ensure its longevity.
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How can I make Flex Seal heal faster?

It takes about 24-48 hours for Flex Seal to cure fully. The best way to make this product cure faster is to apply it in high temperature and low humidity conditions or outdoor in the sunlight, so summer seems to be the best time to use it.
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How to Properly Apply Flex Seal® for Maximum Hold



How long does Flex Seal last in a shower?

Over time, traditional caulking products can break down and deteriorate, leaving areas in your bathroom susceptible to costly water damage. Flex Shot can last up to 30 years and will not fade, dry, crack, yellow, or deteriorate, making it an excellent choice for caulking your bathroom!
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How do you remove Flex Seal from a bathtub?

Grab a damp rag and acetone*. Then scrub the metal until the Flex Seal is removed. This may require a little elbow grease. It'll come off – just give it a heavy scrub.
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How do you prepare surface for Flex Seal?

Sanding your surface will increase adhesion for Flex Seal. Once your surface is clean, wipe it dry. Flex Seal works on wet areas, but it's more effective on dry surfaces. Depending on your project type, you may need painter's tape to section off the areas you're looking to treat.
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Is Flex Seal waterproof?

OVERVIEW. 14 Oz, Flex Seal, Clear, liquid rubber coating spray that turns into a durable waterproof barrier. It's easy to use and comes in a portable aerosol spray can. Flex Seal sprays out as a liquid, seeping into cracks and holes, and then dries to a rubberized coating.
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Will Flex Seal stop water leaks?

Yes it does! Many users have had great success with using Flex Seal for a variety of uses. Whether you are using it to fix a leak, prepare for a storm or using it as a sealant, we know that you will be impressed with Flex Seal.
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Does Flex Seal stop leaks?

Flex Seal “stops leaks fast and is the easy way to coat, seal and protect almost anything,” the manufacturer says.
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How long should Flex Seal dry between coats?

Apply multiple, even coats until ALL cracks and holes have been filled. IMPORTANT: Allow 24 to 48 hours to dry before applying another coat. Let it dry completely. (It usually takes up to 24 to 48 hours to fully cure.)
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Can you put Flex Seal on with a roller?

Flex Seal Liquid is a super thick rubber coating that you can brush, roll, dip, or pour.
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What happens if Flex Seal gets wet before it cures?

A: Depending on the thickness of the layer the product needs 24 – 48 hours to fully cure. Temperature and humidity levels will also impact the curing process. Humid environments will cure the product faster than dry environments. If the treated area is still wet or soft, it will need more time to cure.
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Can You Use Flex Seal on a kitchen faucet?

Flex Seal Spray is not recommended for high-pressure areas, however, if it is a faucet, it should work for that application. It's always best to test a small area first.
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Can I use Flex Seal on PVC pipe?

Flex Seal Liquid works great for: PVC pipes.
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Can Flex Seal tape fix a leaky pipe?

According to Swift, it is "a super strong, waterproof tape that can instantly patch, bond, seal and repair." The commercial makes it look easy. You spring a leak and Flex Tape can fix it.
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What is better flex seal spray or liquid?

Flex Seal's application is easier, which is pretty normal since it's a spray. However, the Liquid Rubber sealant is much more cost-efficient, and it works for the previously mentioned materials just as well.
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What type of roller is best for Flex Seal?

We recommend using a disposable roller when applying Flex Seal Liquid. For roofing applications, we recommend a 3/4 inch nap roller.
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