Flex Seal will last for up to 30 years and will not fade, dry, crack, yellow, or deteriorate.

Does 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.

Is Flex Seal completely waterproof?

A: YES, it is an excellent waterproof sealant. Flex Paste can be used on windows, doors, vents, thresholds and so much more. It will create a watertight barrier that seals out air and moisture.

Is Flex Seal long lasting?

A: 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.

What will Flex Seal not stick to?

The Flex Seal Liquid adheres to most surfaces, including metal, but not silicone.

How thick can you apply Flex Seal?

Flex Seal Liquid can be poured as thick as you need it, but the dry time will increase with thickness. We timed dry time for something that was a half inch thick and it took about 8-9 days to dry. Temperature and humidity play a factor as well. We recommend pouring in layers to avoid such a long dry time.

Which 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.

Will Flex Seal fix a cracked bathtub?

Though Flex Seal is a great product that can seal a cracked bathtub, it should only be used as a temporary solution. Flex Seal can adhere just fine to fiberglass, but if you have a porcelain or ceramic tub, Flex Seal products do not adhere well to these surfaces and may only seal your crack for a few days.

What can you use Flex Seal on?

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.

Can I use Flex Seal over caulk?

People have asked, “Can You Put Flex Seal Over Caulk?” Flex Seal spray will work on some caulks and not on others. We recommend using Flex Shot for any projects that require caulking because it is long lasting and durable. Flex Shot will last up to 30 years and will not fade, dry, crack, yellow or deteriorate.

What colors do Flex Seal come in?

FLEX SEAL LIQUID® is available in pints, quarts, gallons and new MAX 2.5 gallon container. Color options include black, white, clear and gray.

Can you peel off Flex Seal?

Cloth requires a little more care when it comes to removing Flex Seal. Unlike metal, you shouldn’t use acetone on something like a soft-material couch. Instead, use mineral spirits* to remove the Flex Seal. This time, don’t scrub.

How long does it take for Flex Seal to dry?

Flex Seal will usually dry to the touch within 2 to 3 hours and fully cure in 24 hours.

Can I use painters tape with Flex Seal?

A: Yes you can use Flex Seal, or if you’d prefer we also have a product called Flex Shot which is a rubber caulking material. It may work better to replace your old caulk. If you choose to use Flex Seal then we recommend using painters tape to section off the area you want to spray.