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Old 06-14-2017, 10:04 AM   #1
Join Date: Jun 2017
Posts: 48
What roof material?

Hi all, new member that has just purchased a 2004 Georgetown XL 370TS motorhome. I am doing some maintenance and am trying to determine what type of roof material we have. Our roof is white and has a textured pattern to it. I can't find any definitive answer. I googled the specs and it says fiberglass. I printed off a generic manual for the year and it states rubber. I didn't get any manuals with the coach. Any help is greatly appreciated.

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Old 06-14-2017, 10:46 AM   #2
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Posts: 4,250
Fiberglass. EPDM/TPO material is smooth and somewhat rubbery feeling and not shiny. Tap it with the edge of a coin; if it's a tap/tap it's fiberglass if it's a dull thump/thump it's rubber.

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Old 06-14-2017, 11:14 AM   #3
Join Date: Jun 2017
Posts: 48
Thanks for the reply. The thing I was unsure about is the textured part. My research showed fiberglass to be smooth. This has a texture to it almost like a wood grain. Could it be metal?
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Old 06-14-2017, 12:31 PM   #4
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Location: Wilderness CG, WI
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EPDM is smooth and is a rubber membrane, TPO is a thermoplastic and has an orange peel texture. Fiberglass could be smooth or textured. Try to press your thumb nail into it, EPDM and TPO will feel flexible and you will leave a mark. Fiberglass will be hard and not leave a mark.
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roo, roof

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