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Liquid Rubber RV Roof Sealant - 1 Gallon

Curated from 67 real Reddit conversations

Refreshed on: March 10, 2025

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Liquid Rubber RV Roof Sealant - 1 Gallon

Brand: Liquid Rubber
Price: $79
Snoop Score:
8.3
Sentiment
7.9
Popularity
6.4
Technical
9.3
Buy on Amazon for $79See All Roof Coating Reviews
As an Amazon Associate, I earn from qualifying purchases.

Snoop's Take

The Liquid Rubber RV Roof Sealant is a professional-grade, solar reflective, flexible waterproof membrane designed for various types of RV roofs including EPDM, TPO, fiberglass, and aluminum. This sealant not only provides a robust barrier against leaks and water damage but also enhances the longevity of your roof by reducing heat absorption, thereby saving on energy costs. Consumer feedback highlights that many users find the product easy to apply, stating, "the simplicity of application" makes it appealing for DIY enthusiasts. A recurring sentiment is that when applied correctly, it offers excellent preventative maintenance; one user mentioned, "it has been the best roof product I’ve used in the last 10 years." However, there are warnings regarding its inability to adhere to silicone surfaces, with one comment noting that "nothing will bond to silicone." Overall, despite some adhesion issues with silicone, the product is recommended for those seeking an effective and user-friendly RV roof sealing solution. Its flexibility, ease of application, and reflective properties make it a strong contender in the market for RV maintenance products.

Not for you? Check out our other rated Roof Coating

Tldr yes you can do the liquid rubber roof paste stuff yourself and they use membranes for reinforcement of joints.

Positive Feedback

the liquid rubber will not adhere…not sure what to do with thing.

Negative Feedback
Product
8.3
Liquid Rubber RV Roof Sealant - 1 Gallon
Buy on Amazon for $79
RV Roof Maintenance
9 / 10
Metal Roofing
6 / 10
Low-Slope Roofs
8 / 10
Commercial & Residential Applications
8 / 10
See how this compares to all Roof Coating

What it does well!

Key strengths users can’t stop talking about.
Easy to use for DIY roof sealing
“Tldr yes you can do the liquid rubber roof paste stuff yourself and they use membranes for reinforcement of joints.”➕
“seems to be a lot of controversy on doing this so I'm wondering if anyone has done this and how it held up?”➕
“You need to first determine the type of roof you have as that’ll dictate the type of sealant you can use.”➕
“Most professional roofers I've mentioned liquid products to have talked them down, but I mean, why wouldn't they?”➕
Excellent preventative maintenance with Eternabond tape
“I can't say enough good things about it. If properly applied, it looks great and will last forever.”➕
“It has been the best roof product I’ve used in the last 10 years.”➕
Flexible waterproof seal prevents leaks
“Is FlexSeal a comparable option for re sealing your rv roof?”➕
“It has worked out quite well and has held up well in very high winds since the beginning of June.”➕
Effective as a roof coating solution
“This product when done right is just about as good as a new roof.”➕
Easy to use with proper prep work
“Just make sure you follow the steps for the prep work.”➕
Provides a protective seal when applied correctly
“Then 2 coats minimum of the liquid rubber rv roof stuff.”➕
Reflective formula reduces heat load
“If you primarily trailer in the summer and use your AC it’s probably worth the added cost.”➕
Effective for EPDM roof maintenance
“Nothing better complements an EPDM roof than a coat of EPDM Liquid Rubber.”➕
Easy to apply with proper preparation
“Prep is everything here, scrub the best possible to clean the roof.”➕

Where it needs some work!

Areas to watch—feedback on possible improvements.
Liquid rubber won't adhere to silicone
“the liquid rubber will not adhere…not sure what to do with thing.”➕
“Nothing will bond to silicone.”➕
“the vast majority of people applying these, are absolute con artists scamming you.”➕

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Core Power Plays

The specs and strengths that make it shine.
Suggestions for bonding primer over silicone
“Xim bonding primer will coat over wet grease, Silicone, oil, etc...”➕
“would I be able to coat over the primer with the liquid rubber afterwards?”➕
Discussion about alternative sealants
“Also wear sunglasses as it's scientific white.”➕

Hidden Hero Hacks

Unexpected tricks and side‑door uses you’ll love.
Do-it-yourself roof sealing is preferred over professional services.
“It is simple process.”➕
“I could see that I was doing a way better job than he did.”➕
“Best decision I ever made.”➕
“I’d like to be prepared.”➕
Discussion on alternative roof tape options
“I had an RV inspector tell me not to use Durabond tape, as the edges start to lift after a year or so.”➕
Discussion on alternative roof products
“Liquid PU coatings are very hit and miss for every time i've seen a good one there's been about 4 bad ones.”➕
“Do not use liquid roofing. It will blister, crack, then peel within 5 years.”➕
Preference for DIY over professional roof replacement
“What would you do? No leaks, rubber roof, it's not just dirty.”➕
“The cost of replacing the roof was what the trailer cost.”➕
“The roof isn't leaking yet but there is a small tear from a tree that's sealed with tape.”➕
Discussion on alternative roof coating solutions
“flexible like edpm but solid membrane and more durable”➕

Buyer’s Cheat Sheet

What to check before you click ‘Add to Cart.’
Uncertainty about the type of sealant being sold.
“Generally, my recommendation would not to purchase something like this from the dealer but find a specialty company that focuses on roof coatings.”➕
Preparation is key for effective sealing
“Preparation is key.”➕
“if you just patch it the edges that are exposed to the elements could lift up.”➕
Discussion about the costs of RV roof replacement
“I plan to resurface the roof with liquid rubber soon anyway.”➕
“you are looking at 10k for a replacement or you can have it done with a fiberglass roof that will never have to be done again for 10-15k.”➕
“Just had a new rubber roof put on our 21ft tt. $7,000.”➕
“No point in bandaid bullshit that’s going to fail spectacularly.”➕
Discussion on alternative roof coating options
“Worked amazing on the last EPDM roof we did, much better than acrylic or silicone.”➕

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