

💧 Seal leaks like a pro—flexible, fearless, and future-proof your surfaces!
Liquid Rubber Waterproof Sealant is a premium, water-based bitumen formula designed for professional and DIY waterproofing on flat, metal, and low slope roofs, foundations, and gutters. Offering superior flexibility with 950% elongation and seamless adhesion, it creates a durable, UV-resistant membrane that resists cracking and peeling. Its eco-friendly, VOC-free composition ensures safe indoor and outdoor use, making it the go-to solution for long-lasting leak repair and protective coating.







| Brand | Liquid Rubber |
| Item Weight | 44 Pounds |
| Item dimensions L x W x H | 12 x 12 x 16 inches |
| Material | Polymer |
| Style | 5 Gallon |
| Water Resistance Level | Waterproof |
W**R
Worked for Me but one minor complaint
I did give it a 5 despite one issue- The positive first - Had a leaky flat roof (slightly racked) over my garage - Was going to have it done professionally for over $5000 ish. To replace the existing membrane. Well Liquid Rubber has a help line email so I asked them if this product would work well - and gave them details of my roof etc. - I got an immediate response and then ordered 10 gallons, based on the surface area etc. This was my bad - but to do I believe the recommended 5 coats it took about 6 gallons - since this stuff is bit pricey I could have ordered 5 gallons and 1 gallon and saved $. Good news is the roof did not leak anymore, and looked good. Here was the complaint- I had left a black rubber garden hose on top of the garage months after applying the sealant- maybe it was up there in the middle of August for 3 weeks- Well when I went to remove the hose it was stuck to the roof - It was not that hard to pry it away but it actually left kind of a stain on the roof. So my bad for leaving the hose there but I did not expect that. I have to check but I will have to do this again at some point-
R**E
High quality and price point.
The odor is low, it applies easily with a brush, and builds up well making a nice waterproofing on wood, synthetic decking, and metal roof. Dries quickly. It's expensive but it works.
J**I
Very impressed
Great stuff very impressed . I sealed my steal trailer . Spread easy , went a long way , dried fast and saved me a lot of money taking it somewhere to be done .
A**E
Looks brown when it is wet but dries black
Goes on and looks brown but dries black. Easy to apply - like a thick paint. Seems like it will work great - dried well. Will give a better update on how well it works after it has been on for a period of time. Only had it on for 1 day.
A**B
Great product
The best product I have ever used for concrete sealing. Also excellent for repair on my EDPM rubber on roof. Works on about everything. Will buy again
C**.
Arrived quickly and easy to apply
I used this to seal around my chimney flashing when I installed a new metal roof and it worked well. It is easy to apply with a paint brush and adheres really well. I have not had any issues with this product and no leaks. I would recommend this product.
J**D
Seems iffy to me even after a few months it's still sticky
A little nervous about this product I haven't got a heavy rain yet since I've used it but it doesn't seem to dry being sticky it's very stretchy which maybe that's a good thing I don't know 😕 I've put four coats of it down hope it works.. Also I've used Aims block and wall about 4 years ago and it when it dries it's pretty hard I did four coats of that and it's been holding the water back so I know that works. I got a picture of both on stir sticks in my review here..
B**L
Protect the wooden tiles
I forgot to include this fantastic sealant with my review of the wooden tiles. Because I put the wooden tiles in my kitchen, enclosed front and back porches. I used this Waterproof Sealant to prepare the surfaces before laying down the woodtiles.
Trustpilot
2 days ago
3 days ago