This 14 oz. Flex Seal Black Aerosol Liquid Rubber Sealant Coating is actually 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. Flex Seal coats, seals, protects and will Stop Leaks Fast! Flex Seal's great for roof leaks, gutters, skylights, hoses, window sills, PVC pipes, flashings, duct work, foundations, awnings, chimneys, downspouts, vent pipes, A/C drip fans, RVS and campers, trailers and so much more! Comes with 14 oz. of product.

Easy-to-use rubber sealant
Seeps into cracks and holes
Seals out water to keep your items dry
Works on wet or dry surfaces
Liquid coating stays flexible over time
Use Flex Seal to coat, seal & protect to stop leaks fast

Items You May Like

Reviews

Rating Snapshot

Select a row below to filter reviews.

468 reviews with 5 stars.

150 reviews with 4 stars.

34 reviews with 3 stars.

6 reviews with 2 stars.

16 reviews with 1 star.

Overall Rating

4.6

559 out of 580 (96%) reviewers recommend this product

Review this Product

Select to rate the item with 1 star. This action will open submission form.

Select to rate the item with 2 stars. This action will open submission form.

Select to rate the item with 3 stars. This action will open submission form.

Select to rate the item with 4 stars. This action will open submission form.

Select to rate the item with 5 stars. This action will open submission form.

Adding a review will require a valid email for verification

Summary of Reviews

AI-generated from customer reviews, which may include incentivized reviews.

The product is an effective rubberized sealant spray that can be used to quickly and easily fix a wide variety of leaks and cracks on various household items. It is praised for its ability to seal eff...

Helpful?

Thank you for your feedback

Your insights help us improve!

Which aspects of this summary did you find most helpful? *

Clear and concise Accurate and relevant Easy to understand Helped with purchase decision Comprehensive overview Highlighted key features/benefits Other (please specify)

Additional comments?

0/250 maximum

Customer Images and Videos

satisfaction
purchase
color
price
ease of use
functional
instructions
protection

1 to 4 of 674 Reviews .

1 – 4 of 674 Reviews

Indiana

Review 1

5 out of 5 stars.

Lawn Roller Repair

a year ago

I used it to seal up leaks on a metal lawn roller and so far everything has held up well.

SweepstakesYes

Yes, I recommend this product.

OMIL

Review 1

1 out of 5 stars.

Silicon Will not hold to any surface

a year ago

Not working, the spray will become a silicon but will not attract to any surface, don’t spend your money on it.

Originally posted on flexsealproducts.com

Response from flexsealproducts.com:

a year ago

Flex Seal Family of Products Customer Care

Hi there, thank you for taking the time to share your feedback with us. We're sorry to hear that Flex Seal did not live up to your expectations. When you have a moment, please send us an email at [email protected] so we can turn your experience around. We look forward to hearing from you, have a great day.

Lill

Phila, PA

Review 1

GenderFemale

Age65 or over

5 out of 5 stars.

Great Product

2 years ago

Great product fixed leak Would buy it again My friend used it too.

Yes, I recommend this product.

Originally posted on flexsealproducts.com

Response from flexsealproducts.com:

2 years ago

Flex Seal Family of Products Customer Care

Hi there! Thank you so much for your 5 star rating. If you'd like some helpful tips and tricks for future DIY's, feel free to message us at [email protected]. Flex On!

The Jokester

Californication

Review 1

GenderMale

Age45 to 54

5 out of 5 stars.

wood siding

2 years ago

It seemed to work great to temporarily seal some rotten wood siding.

Yes, I recommend this product.

Originally posted on flexsealproducts.com

Response from flexsealproducts.com:

2 years ago

Flex Seal Family of Products Customer Care

Hi there! Thank you so much for your 5 star rating. If you'd like some helpful tips and tricks for future DIY's, feel free to message us at [email protected]. Flex On!

Unbranded 14 oz. Flex Seal Black Aerosol Liquid Rubber Sealant Coating

14 oz. Flex Seal Black Aerosol Liquid Rubber Sealant Coating

Neighbor’s Club Members earn points with purchases.

14 oz. Flex Seal Black Aerosol Liquid Rubber Sealant Coating

Neighbor’s Club Members earn points with purchases.

Similar Items

Flex Seal 14 oz. Clear Aerosol Liquid Rubber Sealant Coating

Flex Seal 14 oz. Green Aerosol Liquid Rubber Sealant Coating, 6-Pack

Flex Seal 14 oz. Red Aerosol Liquid Rubber Sealant Coating, 6-Pack

Flex Seal 14 oz. Brown Aerosol Liquid Rubber Sealant Coating, 6-Pack

Flex Seal 14 oz. Blue Aerosol Liquid Rubber Sealant Coating, 6-Pack

Flex Seal 14 oz. Almond Aerosol Liquid Rubber Sealant Coating, 6-Pack

Flex Seal 17 oz. MAX White Aerosol Liquid Rubber Sealant Coating, 4-Pack

Flex Seal Liquid Gray Liquid Rubber Sealant Coating, 6-Pack

Flex Seal 1 gal. Liquid Black Liquid Rubber Sealant Coating, 2-Pack

Flex Seal 1 gal. Liquid White Liquid Rubber Sealant Coating, 2-Pack

Flex Seal 16 oz. Liquid Black Liquid Rubber Sealant Coating, 6-Pack

Flex Seal 1 gal. Liquid Gray Liquid Rubber Sealant Coating, 2-Pack

Items You May Like

Leak Stopper 18 oz. Rubber Flexx Sealant Spray, Black

Flex Seal 14 oz. Clear Aerosol Liquid Rubber Sealant Coating

Flex Seal 2 oz. Black Liquid Rubber Sealant Spray, Mini Can

Leak Stopper 4 in. x 10 ft. Rubber Flexx Waterproof Tape

Gardner-Gibson 3.6 qt. Leak Stopper Rubberized Roof Patch

Gorilla Glue 14 oz. Spray Adhesive

Loctite 13.5 oz. High Performance Clear Spray Adhesive

Flex Seal 14 oz. Blue Aerosol Liquid Rubber Sealant Coating, 6-Pack

Flex Seal 14 oz. Green Aerosol Liquid Rubber Sealant Coating, 6-Pack

Rust-Oleum 1 qt. Miracle Sealants 511 Stone & Tile Impregnator Sealer

XTRweld Leak Detector, 8 oz.

Liquid Nails 46 cu. in. Subfloor Adhesive

Customers Also Bought

Flex Seal 14 oz. Clear Aerosol Liquid Rubber Sealant Coating

Flex Seal 14 oz. Green Aerosol Liquid Rubber Sealant Coating, 6-Pack

Flex Seal 14 oz. Red Aerosol Liquid Rubber Sealant Coating, 6-Pack

Flex Seal 14 oz. Brown Aerosol Liquid Rubber Sealant Coating, 6-Pack

Flex Seal 14 oz. Blue Aerosol Liquid Rubber Sealant Coating, 6-Pack

Flex Seal 14 oz. Almond Aerosol Liquid Rubber Sealant Coating, 6-Pack

Flex Seal 17 oz. MAX White Aerosol Liquid Rubber Sealant Coating, 4-Pack

Flex Seal Liquid Gray Liquid Rubber Sealant Coating, 6-Pack

Flex Seal 1 gal. Liquid Black Liquid Rubber Sealant Coating, 2-Pack

Flex Seal 1 gal. Liquid White Liquid Rubber Sealant Coating, 2-Pack

Flex Seal 16 oz. Liquid Black Liquid Rubber Sealant Coating, 6-Pack

Flex Seal 1 gal. Liquid Gray Liquid Rubber Sealant Coating, 2-Pack

Reviews

Rating Snapshot

Overall Rating

Review this Product

Thank you for your feedback

Customer Images and Videos

Lawn Roller Repair

Silicon Will not hold to any surface

Great Product

wood siding