Liquid Rubber Waterproof Sealant – DIY Leak Repair Coating for Flat, Metal & Low Slope Roofs, Foundations, Gutters & More – Flexible Protective Membrane - Black - 1 Gallon
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Liquid Rubber Waterproof Sealant – DIY Leak Repair Coating for Flat, Metal & Low Slope Roofs, Foundations, Gutters & More – Flexible Protective Membrane - Black - 1 Gallon

4.4/5
Product ID: 14871374
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Details

  • Material
    Polymer
  • Brand
    Liquid Rubber
  • Item Weight
    9 Pounds
  • Item dimensions L x W x H
    12 x 12 x 16
  • Compatible Material
    Multiple
🎯15 sq ft coverage per gallon
💧100% waterproof barrier
🛠️950% stretch & flexibility

Description

💧 Seal the deal with Liquid Rubber – where leaks meet their match!

  • TRUSTED BY PROS DI YERS ALIKE - Millions of gallons sold, delivering reliable waterproofing for commercial and residential projects.
  • ECO FRIENDLY WATER BASED FORMULA - No VOCs or harsh odors—safe for indoor/outdoor use and won’t harm sensitive materials like foam insulation.
  • SEAMLESS INDUSTRIAL GRADE PROTECTION - Create a durable, watertight membrane that outperforms traditional tar and patch products.
  • VERSATILE APPLICATION PROFESSIONAL RESULTS - Brush, roll, or spray on flat roofs, gutters, foundations, and more with ease and precision.
  • UNMATCHED FLEXIBILITY FOR LASTING DURABILITY - With 950% elongation, it moves with your building—no cracking, peeling, or UV damage.

Liquid Rubber Waterproof Sealant is a premium, water-based polymer coating designed for flat, metal, and low slope roofs, foundations, gutters, and more. Offering superior adhesion and 950% flexibility, it forms a seamless, durable waterproof membrane that resists cracking, peeling, and UV damage. Covering up to 15 sq ft per gallon on horizontal surfaces, it’s ideal for both professional contractors and DIYers seeking long-lasting leak repair and preventative maintenance without harmful odors or VOCs.

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Specifications

MaterialPolymer
BrandLiquid Rubber
Item Weight9 Pounds
Item dimensions L x W x H12 x 12 x 16 inches
Compatible MaterialMultiple
Water Resistance LevelWaterproof
Item FormLiquid
UPC628421126026
Unit Count128 Fl Oz
StyleWaterproof Sealant
Number of Items1
ColorOriginal Black
Surface RecommendationRoof, Vent
ManufacturerLiquid Rubber USA
Part Number12602
Item Weight9 pounds
Product Dimensions12 x 12 x 16 inches
Country of OriginCanada
Item model number12602
Is Discontinued By ManufacturerNo
Size1 Gallon
Horsepower1.00
Item Package Quantity1
Special FeaturesWaterproof
UsageCommercial/Residential
Included Components1 Gallon
Batteries Included?No
Batteries Required?No

Have a Question? See What Others Asked

How long does new concrete need to cure before applying liquid rubber? We are sealing our new concrete pond with this product = will not have fish in
I have a black plastic pond i got from home depot. will it adhere to that material?
Does this project leave much of an odor after it has set?
what color is it when it dries?

Reviews

4.4

All from verified purchases

S**N

Amazing product that actually works!!

We have tried nearly every type of roof caulking out there. The Texas summers on a metal roof are brutal. This and the paint are the only thing that have held up. They flex and still seal where 2 pieces of metal contact where we have had a roof leak for years... no more leak. It set solid in 48 hours. Application was really easy and forgiving. We put on 3 layers of the paint on the tape just to be safe which surprisingly didn't take very much to do. No running or bubbling found. Even after 120 degree Texas days making the roof well over 150... and it still held. No cracking, running.. nothing. It is our go to now. Well worth the money and the only roof sealant that still seems to work. Mineral oil to clean the brush, easy to apply - just like a thick paint. Dries in 24-48 hours. 3 layers with the tape was enough to handle 7 inches of rain in 3 hours no leaks this spring. Thank you for making this and please keep selling it!

J**E

#1 Top Best Highest Quality Roof Sealer

The best ever roof sealer. Our commercial roof has leaked for 18 years.We tried 1 can and were very impressed with the thickness and adhesion.We have now ordered many cans of this and have 85 % finished patching our roof. Even so, after 3-4" of rain in the last 3 days, we are 100% bone dry with zero leaks.This stuff really works.

W**C

Worth the money!

Had never used this type of product but have to say it worked wonders!Was used on a metal roof that had been battered by repeated recent storms and was the fastestway I could think of to stop the leaks without replacing the roof on the building.Only had about 36 hours between storms and it stopped all leaks.5 Stars!!

N**H

Right on time friendly

I use this product for about every day usage sanitize disinfect and on the go nice and easy cheesy breezy

R**T

This Stuff Works

My boat is permanently stored in a very old boat house that has a sagging metal roof where water pools in a few low points. The roof was leaking though seams and screw holes on the metal roof and dripping water all over everything. After applying this sealant to all the screws and seams I have not had any leaks for 9 months. I live the NW US where we get a lot of wet snow and rain, this stuff really works.

C**S

Waterproofer that works

Excellent product for sealing seams on your roof or waterproofing wonder board or Sheetrock seams for ceilings. Goes on black and smooth and a gallon goes a long way. Flex Seal is trash compared to this. Awesome product. Sealed all my leak seams.

C**J

Does not adhere to wood very well

Bought twice, second one arrived with broken lid and leakage inside shipping box. Used on pressure treated fence posts but product doesn’t adhere, tends to peel if you are not real careful how you handle it

A**R

just paint it on

works very wellthe sealant is black

Common Questions

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Sneha T.

Received my product in pristine condition. Great service overall.

1 month ago

Suresh K.

Very impressed with the quality and fast delivery. Will shop here again.

4 days ago

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Trustpilot

TrustScore 4.5 | 7,300+ reviews

Farhan Q.

The delivery time was excellent, and the packaging was secure.

2 months ago

Yusuf A.

Fantastic experience overall. Will recommend to friends and family.

1 month ago

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