14 oz. Flex Seal Black Aerosol Liquid Rubber Sealant Coating

Item # 105186799

Spend $49.99 to unlock free delivery!

Get everything you need

4.6(674)

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

$18

.99

4.8(20)

Gardner-Gibson 3.6 qt. Leak Stopper Rubberized Roof Patch

$22

.99

4.5(48)

Liquid Nails 10 oz. Heavy-Duty Construction Adhesive

.49

4.0(4)

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

$25

.99

Neighbor’s Club Members earn points with purchases.

14 oz. Flex Seal Black Aerosol Liquid Rubber Sealant Coating

Item # 105186799

Subscription options

Smart Supply

Auto order & save every day

$18^.04

$18.99

Save $0.95 (5%)

Save 5% today and on all future orders

Pickup or delivery when it works for you, plus free delivery on orders over $49.99.

Skip, modify, or cancel anytime.

One time purchase

$18^.99

Spend $49.99 to unlock free delivery!

Shopping at

Grassland (franklin) TN

Delivery to

Free standard delivery on online footwear & Clothing purchases of $49 and over.

Get everything you need

4.6(674)

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

$18

.99

4.8(20)

Gardner-Gibson 3.6 qt. Leak Stopper Rubberized Roof Patch

$22

.99

4.5(48)

Liquid Nails 10 oz. Heavy-Duty Construction Adhesive

.49

4.0(4)

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

$25

.99

Neighbor’s Club Members earn points with purchases.

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

Brand	Unbranded
Country of Origin	Made in USA
Container Size	14 oz.
Coverage Area	30 sq. ft.
Cure Time	24 hr.
Dry to Touch	2-3
Features	Moisture Resistant, Mold/Mildew Resistant, Paintable/Stainable, Permanently Flexible
Indoor/Outdoor	Indoor and Outdoor
Longevity	12 months
Package Quantity	1
Primary Color	Black
Product Height	9.5 in.
Product Length	2.5 in.
Product Weight	20 oz.
Product Width	2.5 in.
Sealant Form	Spray
Sealant Type	Synthetic rubber
Manufacturer Part Number	FSR-20

Q&As

1 - 7 of 7 Questions

Q: Can this be used on asphalt

26 days ago

1 Answer

A: Hi Kimm! Yes, Flex Seal Aerosol can be used on asphalt. It sprays as a liquid to seep into cracks and dries into a waterproof, flexible, rubberized barrier.
25 days ago
Helpful?

Q: Will this work to paint rubber floor mats for my vehicle?

7 months ago

1 Answer

A: Hi Neighbor! Yes, you can use this on rubber floor mats for your vehicle, as it works on rubber.
7 months ago
Helpful?

Q: how long does it take to cure?

11 months ago

1 Answer

A: Hello Neighbor, Flex Seal will usually dry to the touch within 2 to 3 hours and fully cure in about 24-48 hours depending on environmental factors.
11 months ago
Helpful?

Q: will it work on a cement foundation with metal at the bottom to prevent anything from getting inside

4 years ago

1 Answer

A: Yes, it should work.
4 years ago
Helpful?

Q: Does this work on a Leakey water pipe

4 years ago

1 Answer

A: This product should work for that application.
4 years ago
Helpful?

Q: Will it with stand gas ?

5 years ago

1 Answer

A: Surface Compatibility: Universal
5 years ago
Helpful?

Q: is this product toxic after its cured? I have some leaks I can't stop in a water line that will be used to water horses and goats.

6 years ago

1 Answer

A: No, it is not.
5 years ago
Helpful?

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

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

2 years 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

2 years 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:

2 years 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 humans@flexsealproducts.com 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 humans@flexsealproducts.com. 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 humans@flexsealproducts.com. Flex On!