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Old 08-11-2013, 05:10 PM   #1
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PVC or EPDM rubber roof

I searched but found very little about pvc roof or membrane versus rubber membrane. If you can tell me which to use and why, it would be helpful. Here are some things that could be truth or myths.

PVC does not leave streaks from rain but rubber does. PVC has been around longer than rubber. 3 out of 4 new rvs have epdm rubber roofs. PVC costs a little more than rubber but last twice as long. PVC takes heat guns and special tools to seam together but can be patched using pvc pipe glue and piece of left over marerial. New 20 year roof costs 2500 dollars and up with bed liner stuff on roof. I want to do it myself and 800 to 850 us dollars for kit that includes glue, taoe and tubes of sealant with 8x30 ft rubber or pvc, my choice.
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Old 08-12-2013, 12:08 PM   #2
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I searched but found very little about pvc roof or membrane versus rubber membrane. If you can tell me which to use and why, it would be helpful. Here are some things that could be truth or myths.

PVC does not leave streaks from rain but rubber does. PVC has been around longer than rubber. 3 out of 4 new rvs have epdm rubber roofs. PVC costs a little more than rubber but last twice as long. PVC takes heat guns and special tools to seam together but can be patched using pvc pipe glue and piece of left over marerial. New 20 year roof costs 2500 dollars and up with bed liner stuff on roof. I want to do it myself and 800 to 850 us dollars for kit that includes glue, taoe and tubes of sealant with 8x30 ft rubber or pvc, my choice.
EPDM(rubber) roofs do not leave streaks, airborne dirt (air pollution) leaves streaks as the dirt is washed off the roof by rain and dew, then dries to a stubborn black film.
Yes PVC costs more and last longer, some brands have a 20-30 year warranty. Most EPDM coverings have a 10-12 year warranty. Choice of material is your choice. The installation instructions for both were found online. PVC sounded like more work is involved.
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Old 08-12-2013, 05:11 PM   #3
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Thanks for the reply Ray.
I talked to a person who sells metal aluminum on the roll for enclosed trailer. Just wondering if this would be a good solution for an rv roof 8ft x 24ft?
Cost for a 25ft roll is about 250 dollars.
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Old 08-12-2013, 07:08 PM   #4
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the pvc roof you are talking of is call TPO if you look that up you well find more

tpo well last longer then EPDM and well not chock / wight stuff all over the side of your RV latter down the road

TPO has to be installed right or its hard to get any thing to stick to it

you do not need heat guns and special tools to install it on a RV

i fond a 40x9 foot piece for 80$ and used the glue for the EPDM at 80$ to glue it down
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Old 08-12-2013, 07:14 PM   #5
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this is my roof did it my self like you want too all new roof with fans under 400$
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Old 08-12-2013, 07:21 PM   #6
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the pvc roof you are talking of is call TPO if you look that up you well find more

tpo well last longer then EPDM and well not chock / wight stuff all over the side of your RV latter down the road

TPO has to be installed right or its hard to get any thing to stick to it

you do not need heat guns and special tools to install it on a RV

i fond a 40x9 foot piece for 80$ and used the glue for the EPDM at 80$ to glue it down
The Johns Manville websites for TPO material and for PVC material say differently. Which is what I based my reply on.
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Old 08-12-2013, 07:29 PM   #7
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We've always installed EPDM, and been fine.
Did a PVC kit once, and didn't like all the extra parts to it and sealer's you had to use with their kit.
I'm going to install an Alpha Systems (Alpha Systems, LLC - Products for the RV, Cargo Trailer, Marine and Modular & Manufactured Housing Industries) roof, TPO NON fleece backed roof, with their glue, and Dicor sealer to see how it works out.
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