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Old 03-16-2019, 03:20 PM   #1
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rubber roof cleaner and protectant

Is there a majority on what cleaner to use on the roof on my 243 coachmen Catalina one piece "vinyl" roof?
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Old 03-16-2019, 04:03 PM   #2
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Your roof is not vinyl. It is either EPDM rubber (Ethylene Propylene Diene Monomer) or TPO (ThermoPlastic Olefin). Each has their own maintenance guidelines. Also each manufacturer has their own recomendations. Alpha Systems TPO does not recommend any treatment, just washing with Spic'n'Span or Top Job. I use regular Dawn dish soap on my TPO roof and it works fine. See the attached pdf.
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File Type: pdf EPDM-TPO_Discovery_Guide.pdf (636.4 KB, 216 views)
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Old 03-16-2019, 04:06 PM   #3
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Should be roof maintenance info sheet, in your owners manual packet.
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Old 03-16-2019, 04:26 PM   #4
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Brand new trailer,, no owners manual. I knew it wasn't ""VINYL"" I just didn't know what to call it at the time. Now I still don't. I'll read your attachment. I know I can just about clean it with common soap and water but I want a good protectant afterwards. The FR dealer had a habit of robbing peter to pay paul, so my manuals are missing. When I saw the trailer It had two bar stools. When I picked it up, they were missing,, so they went and took them out of another trailer.
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Old 03-16-2019, 04:38 PM   #5
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Lee, have you checked the Coachmen website, for downloadable manuals?
I just went there and found all kinds of manuals to download there.
Even for Catalina models.
Also found roof care and maintenance information.
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Old 03-16-2019, 04:39 PM   #6
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You probably have this TPO roof from Alpha Systems...
no protectant necessary claimed by Alpha Systems

watch this maintenance video...

https://youtu.be/it2ZIKs821k
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Old 03-16-2019, 05:01 PM   #7
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I'll do that!! Thanks!
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Old 03-16-2019, 05:08 PM   #8
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A way to tell the difference between EPDM and TPO is to push lightly with your thumbnail. EPDM will dent with minimum pressure, TPO will not. If you do it with the right amount of pressure the dent will disappear in a few minutes.
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Old 03-16-2019, 05:34 PM   #9
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Found the site,,,was going to print it out,,its like 80 pages! It did say the roof was Carlise but just said don't use silicone based items'
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Old 03-17-2019, 12:17 PM   #10
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If you really want to be sure...

Quote:
Originally Posted by Scrapper View Post
A way to tell the difference between EPDM and TPO is to push lightly with your thumbnail. EPDM will dent with minimum pressure, TPO will not. If you do it with the right amount of pressure the dent will disappear in a few minutes.
If you really want to be sure, take down the inside trim ring for one of the skylights or fans. The roof membrane will be visible where it is tucked into the opening. EPDM is white on the exterior surface, black on the other surface.

Larry
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