Can flex seal be used on concrete?

Asked By: Muela Messaoudi | Last Updated: 30th April, 2020
Category: style and fashion bath and shower
4.8/5 (869 Views . 12 Votes)
Flex Seal is a liquid rubber sealant coating that's perfect for almost any DIY project inside or outside your house. Flex Seal can be used on almost every surface: wood, metal, tile, concrete, masonry, fabric, glass, plastic, aluminum, porcelain, drywall, rubber, cement, and vinyl.

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Similarly, it is asked, how do you remove flex seal from concrete?

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.

Beside above, what does Flex Seal not stick to? Flex Seal will adhere to most any surface such as: wood, metal, tile, concrete, masonry, fabric, glass, plastic, aluminum, porcelain, dry wall, rubber, cement, some vinyls and so much more! Flex Seal may not be compatible with all plastics, vinyls, or rubbers.

Also question is, how long does flex seal last?

24 months

Can Flex Seal be thinned?

Yes Flex Seal Liquid can stop roof leaks. This is liquid and comes in a paint can, so it can be brushed or rolled on. But we do have Flex Seal in an aerosol spray. This does not need to be thinned.

28 Related Question Answers Found

Does Flex Seal work underwater?

Flex Seal Tape Review
It uses a super strong adhesive and a thick rubber backing and is excellent for home repairs and DIY projects. It even works underwater. The tape can be applied cold or hot, dry or wet, and works underwater, patching holes, tears, cracks, and gaps.

How well does flex seal work?

How Does Flex Seal Spray Work? Flex Seal works because it sprays thick, much thicker than traditional spray paint. It seeps into cracks and, once dry, forms a rubberized surface that blocks out water, air and moisture – which helps prevent rust and corrosion. It's simple: point and spray, applying a nice, even coating.

Will Flex Seal stop a oil leak?

Flex seal will not stop an oil leak. The leak may stop for a little while but it will be back and worse. Most oil stop leaks work by either causing the rubber to soften or to swell.

Is Flex Seal UV resistant?

About Flex Seal Liquid
On top of this, Flex Seal Liquid is UV, mildew, and chemical resistant; expands and contracts, provides fast coverage and excellent adhesion, and can be painted any color.

Is Flex Seal tape removable?


Flex Tape bonds get stronger over time. However, many customers have had success removing Flex Tape with adhesive remover or a citrus degreaser. Flex tape can be removed with an adhesive remover. Use pliers or channel locks to pull edge while spraying adhesive remover on edge against surface it is taped to.

How strong is flex glue?

The Flex Glue commercial looks incredible: A super strong adhesive that can do it all. TV ads show Flex Glue holding weights of more than 1,000 pounds, working underwater and even keeping an entire 4x4 vehicle together.

Does gas eat through Flex Seal?

A: We do not recommend using Flex Seal Liquid® to seal a gasoline tank or any in contact with other flammable liquids.

Is Flex Seal tape permanent?

You do not need to drain the pool prior to applying FLEX TAPE®. FLEX TAPE® is a temporary, emergency repair and is not meant to be a permanent fix.

Can flex seal stop roof leaks?

Reapply until all cracks and holes are completely filled. Inspect the roof and apply more as needed. For immediate repair, consider also using Flex Tape or Flex Glue. These can be applied in wet conditions, and can help prevent damage when you are unable to apply Flex Seal or Flex Seal Liquid.

Does Flex tape actually work?


The As Seen on TV product "Flex Tape" is supposed to work on all kinds of surfaces, wet and dry. "Flex tape grips on tight," said Phil Swift in the Flex Tape commercial. It's supposed to patch, bond, seal and repair almost any product. Other TV stations have tested it on leaky pipes and it held up.

Can You Use Flex Seal on metal?

Flex Seal can be used on almost every surface: wood, metal, tile, concrete, masonry, fabric, glass, plastic, aluminum, porcelain, drywall, rubber, cement, and vinyl. Plus, it won't sag or drip in the summer heat, and it won't crack or peel in the winter cold. It even prevents corrosion.

Is Flex Seal silicone?

Does Flex Seal work? Of course, Flex Seal is a popular drip-drying silicone caulk sealant that can be used almost on any surfaces. Its composition provides reliable coating, UV protection and anti-corrosion coating.

Can You Use Flex Seal on a bathtub?

Flex Shot works on wet surfaces, but it works optimally on dry ones. Once you've completely sealed your tub or shower, use your finger or a dry paper towel to wipe any excess. Flex Shot only takes 20 minutes to dry to touch, but give it 48 to 72 hours to completely cure.

Can I paint over Flex Seal?

Flex Seal Spray can then be painted over with almost all commercially available paints and urethanes. Flex Seal Liquid cannot be top coated with anything other than Flex Seal Liquid, however, you can add as many coats as you like. Just allow Flex Seal Liquid to fully dry between coats.

Will Flex Seal fix a cracked bathtub?


Flex Seal is promoted as being waterproof, and might be able to stop a leak in the bathtub, but I don't think it would resist water pressure when you fill the tub, and it wouldn't be easy to keep it clean since it's not an abrasive resistant product.

What color is Flex Seal?

Q: What colors does Flex Seal® come in? A: Flex Seal® comes in Black, Clear, White, Brite (bright white), Gray, Red, Yellow, Terra-Cotta, Blue, Green, Almond and Brown. Once dry, Flex Seal® can be easily painted any color.

Can Flex Seal fix an air mattress?

Can I use Flex Seal to fix a hole in an air mattress? Yes. Spray the hole with the Flex Seal, cut a square out of a thin shirt or cloth, and place on the puddle of Flex Seal. Then, let the cloth soak up Flex Seal, smooth it out with your finger, let dry, and spray again with the Flex Seal.