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05-25-2022, 05:16 PM
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#1
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Senior Member
Join Date: Feb 2019
Location: Wickenburg
Posts: 3,314
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Need to clean TPO for patch with something at hand
About 12 hours before hitting the road, I discovered a tree scrape on the roof that went through the membrane. It's small, and I have some Eternabond, but I'd need to clean the membrane before adhesion. I don't have time to go out and find a specialty cleaner. I saw a YouTube video that suggested denatured alcohol, but others say no alcohol on TPO. Is there something I can use for this job that I'm likely to have on hand?
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2019 Cougar 26RBSWE
2019 Ford F-250
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05-25-2022, 05:19 PM
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#2
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Site Team
Join Date: Jul 2014
Location: Modesto
Posts: 20,347
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Simple green, Fantastik come to mind. Eternabond will adhere to a clean surface. Any good cleaner and then make sure it’s dry.
__________________
2012 Copper Canyon 273FWRET being towed by a 1994 Ford F350 CC,LB,Dually diesel.
Airlift 5000 bags, Prodigy brake control, 5 gauges on the pillar.Used to tow a '97 Jayco 323RKS.
Now an RVIA registered tech. Retired from Law enforcement in 2008 after 25+ yrs.
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05-25-2022, 09:34 PM
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#3
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Senior Member
Join Date: Feb 2019
Location: Wickenburg
Posts: 3,314
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Thanks. I found some Mr. Clean spray that seems to have done the trick. Wasn't sure whether to use leveling or non-leveling caulk around the patch, so I went with non-leveling so it wouldn't ooze away from the joint.
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2019 Cougar 26RBSWE
2019 Ford F-250
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05-26-2022, 03:30 AM
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#4
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Senior Member
Join Date: Mar 2014
Location: Mountain Home, Idaho
Posts: 3,013
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Repair should be permanent for you.. I would have used self leveling on th flat surface but non sag will do just fine..
Hope you remembered to use a roller and put some pressure on the tape while rolling to activate the adhesive on the tape..
Also never use mineral oil on the TPO.. last tape I applied I used some dawn dish soap and water and a bucket .. I was resealing the slide out out four inch area .. about a 12 foot long piece of new Eternabond tape over the old after fixing some screw heads that backed out on the slide roof
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2007 GMC Classic club cab 4x4 Duramax LBZ
2014 Alpine 3010 RE. 34 foot fifth wheel
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05-26-2022, 10:18 AM
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#5
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Senior Member
Join Date: Feb 2019
Location: Wickenburg
Posts: 3,314
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I didn't use a roller, because the guy on the KOA video didn't say anything about that – he just used his hands and kneaded it for a long time.
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05-26-2022, 11:25 AM
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#6
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Site Team
Join Date: Jul 2014
Location: Modesto
Posts: 20,347
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Quote:
Originally Posted by LHaven
I didn't use a roller, because the guy on the KOA video didn't say anything about that – he just used his hands and kneaded it for a long time.
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Your probably ok.
__________________
2012 Copper Canyon 273FWRET being towed by a 1994 Ford F350 CC,LB,Dually diesel.
Airlift 5000 bags, Prodigy brake control, 5 gauges on the pillar.Used to tow a '97 Jayco 323RKS.
Now an RVIA registered tech. Retired from Law enforcement in 2008 after 25+ yrs.
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05-26-2022, 12:28 PM
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#7
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Site Team
Join Date: Oct 2011
Location: Joppa, MD
Posts: 11,752
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I know I'm a "overkill" sort of person but I keep a roll of eternabong tape, a hand roller, and an aerosol can of Eternabong cleaner in a box. You never know when one of those evil trees may reach out and claw the roof. 
__________________
Marshall
2012 Laredo 303 TG
2010 F250 LT Super Cab, long bed, 4X4, 6.4 Turbo Diesel
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05-26-2022, 01:14 PM
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#8
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Junior Member
Join Date: Apr 2021
Location: Madison
Posts: 29
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Quote:
Originally Posted by flybouy
I know I'm a "overkill" sort of person but I keep a roll of eternabong tape, a hand roller, and an aerosol can of Eternabong cleaner in a box. You never know when one of those evil trees may reach out and claw the roof. |
Great advice, I do the same.
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