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Old 08-23-2013, 10:59 AM   #1
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Liquid RV Roof over TPO

Has anyone ever put Liquid RV Roof over an existing TPO roof?

Thanks!
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Old 08-23-2013, 12:05 PM   #2
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Why would you want to? If you have a bad TPO then it can be repaired. there is a new outfit in FL that overcoats any roof. Here is their address.
Permanent coatings, INC.
3236 Hi3236 Highway 17 Suite 1
Green Cove Springs, FL 32043


sales@RVRoof.com
904-814-2104
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Old 08-24-2013, 11:04 PM   #3
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Does anyone know anyone who has done this?
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Old 08-26-2013, 08:11 AM   #4
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Many owners (including us) have recovered their rubber roofs with Liquid Rubber / Liquid Roof from Pro Guard Coatings | Pro Guard Coatings.

They say it's for EPDM rubber roofs and I don't know what the difference with TPO or how you tell them apart.

I put it on last year, it wasn't an easy job but I did it in two days (I think it's A LOT easier if you have scaffolding and a partner - if you do decide that works for you and want to apply it yourself, search forums for posts and I'm sure you'll find a lot of tips on what to do and not to do). Ours didn't leak yet so I'm not sure if it actually helps but it certainly looks a lot better and more resistant. I think it was about $500 of material so I think it was money well spent. I believe having the rubber roof replaced is around $100/ft so it's certainly much cheaper than getting the roof replaced.
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Old 08-26-2013, 08:33 AM   #5
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TPO is a totally different material than EPDM. If you press your thumbnail into EPDM, it will react like rubber and allow your thumbnail to penetrate slightly. TPO, on the other hand, isn't resilient. I wouldn't go haphazardly throwing a coating for EPDM over TPO without checking with someone like Dicor who provides both membrane materials to the RV OEMs.

I'm baffled why you would want to coat TPO? The TPO roof on our 9 year old 5th wheel looks like new.

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Old 02-19-2014, 04:25 PM   #6
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I accidentally tore my TPO roof on a recently purchased 38' Fleetwood Expedition with a low lying limb. I was shocked to hear my RV repair shop suggest that the whole roof skin must be replaced. I found in my manufacturer manual where dealers might have a repair kit, but the dealer is refusing to use the kit as they are not willing to guarantee their work for me. Anyone ever used the kit to repair a TPO roof, or is replacement the only/best option?
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Old 02-19-2014, 04:31 PM   #7
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Quote:
Originally Posted by CurrentBoy View Post
I accidentally tore my TPO roof on a recently purchased 38' Fleetwood Expedition with a low lying limb. I was shocked to hear my RV repair shop suggest that the whole roof skin must be replaced. I found in my manufacturer manual where dealers might have a repair kit, but the dealer is refusing to use the kit as they are not willing to guarantee their work for me. Anyone ever used the kit to repair a TPO roof, or is replacement the only/best option?
How big is the tear ? I would think some eternabond tape might be a permanent fix if the tear is small enough.

http://www.eternabond.com
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Old 02-19-2014, 04:37 PM   #8
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Two small triangular tears, one about about 6 inches long and the other about 12 inches long. It's on the edge of the coach's roof.
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Old 02-19-2014, 09:35 PM   #9
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Hey Loyd, great question, great minds think alike! Check out my thread on the MH General discussions forum, near the top.

And I also like the Eternabond tape for small repairs. I wonder if anyone has done an entire roof with Eternabond tape?!
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Old 02-20-2014, 06:50 AM   #10
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Definately don't have to replace the whole roof (thousands of dollars). Eternabond patch kits typically only cover small areas but from dealers (or on eBay), you can get a much larger patch (e.g. Eternabond Roof Leak Repair Mobile Home RV White 24" x 24" Fix EPDM Rubber | eBay).

I suspect that you could do the entire roof with Eternabond although at some point, it's not going to work that well since you're just sticking the Eternabond to the existing material below - if the material below is too badly damaged, you've got nothing to hold on to ...
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