Canvas skinned teardrop roof?

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Canvas skinned teardrop roof?

Postby doris s. » Wed Sep 06, 2017 7:27 pm

Has anyone skinned a plywood teardrop with canvas including the roof? I was wondering how waterproof wood is skinned in canvas for a roof. I'm guessing using an oil based exterior paint would make it more durable? Not sure. Any advice would be great thanks.

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Re: Canvas skinned teardrop roof?

Postby me&z » Wed Sep 06, 2017 8:26 pm

Try this link: viewtopic.php?f=21&t=41337

Might get you started with some information.
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Re: Canvas skinned teardrop roof?

Postby GPW » Thu Sep 07, 2017 5:15 am

Doris , from our experience ( JMHO) , skinning over plywood is a Good Thing and really helps prevent the bent plywood outer surface from developing tension cracks over time ( cracks that let water in and Rot the ply ) The canvas absorbs the Tension loads and creates a durable surface once well painted … Latex and Oil paint have both been used with great success .

Note : had we skinned the plywood roof of our First TD trailer , we’d probably still have it … :duh:
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Re: Canvas skinned teardrop roof?

Postby daveesl77 » Thu Sep 07, 2017 7:39 am

The front and rear sections of our camper are PMF. I did the top in EPDM rubber. Had I really known how good the PMF is, I would have never used EPDM. My canvas/paint sections are smooth, flat, waterproof and look great. My EPDM section, while 100% waterproof, is bubbly in some spots. I spent about $100 more doing the EPDM that I would have if I had only used PMF. EPDM is also a LOT heavier than canvas. Next time, no EPDM, only PMF.

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Re: Canvas skinned teardrop roof?

Postby doris s. » Thu Sep 14, 2017 3:46 pm

Thanks Teardroppers,

My teardrop will be parked outside. Sounds like canvas works well in keeping the wood protected.
Thanks for the links and in put.

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Re: Canvas skinned teardrop roof?

Postby JamesDixonLR » Thu Sep 28, 2017 10:14 am

pardon my ignorance but what is PMF and EPDM?
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Re: Canvas skinned teardrop roof?

Postby Roly Nelson » Thu Sep 28, 2017 10:49 am

PMF, equals: premature malfunctioning fabric. EPDM equals: early puncturing damned material. Naw, just kidding. I have absolutely no idea either. I'll stay tuned, and we will both learn about this together.
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Re: Canvas skinned teardrop roof?

Postby pchast » Thu Sep 28, 2017 9:17 pm

PMF Poor Mans fiberglass. composite of canvas or similar material and tight bond II or paint as a skin
EDPM is a sheet rubber roofing material commonly used in commercial applications.
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Re: Canvas skinned teardrop roof?

Postby QueticoBill » Thu Sep 28, 2017 11:59 pm

Pmf is also know as ghetto fibreglass.

And for fun, epdm is ethylene propylene diene monomer, rubber roofing but also gaskets and vibration isolation pad.

Im torn between pmf and real fibreglass, which lets the wood show. Im convinced either is a pretty good skin, both needing coatings.
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