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Old 11-11-2015, 02:19 PM   #11
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You might be surprised how easy it might be to get the putty [or what ever the factory uses] off. I have a 2016 that was produced in April 2015. Anyway, I changed out the fantastic fan this past weekend to a remote control model [wife is only 5' 2"] so the wife can reach the controls.

In taking the old fan out, the outer skin of the putty was dried, but once that top layer was taken off, I was able to just peel the remaining putty off. As such, the putty pulled off real clean from the roofing with little to no residue left to clean up. A lot easier than I thought it would be, and not as bad as the other ones I've replaced, that were several years old.
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Old 11-11-2015, 02:57 PM   #12
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Don't think acetone and rubber would be a good mix. Might try experiment put a piece of rubber in a bowl and put some acetone on it to see what happens. I have used acetone as a.paint remover.
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Old 11-11-2015, 06:46 PM   #13
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Dicor makes a rubber roof cleaner that is a liquid concentrate. You can buy a pint bottle, mix a small amount in a scrub bucket with water, scrub roof area with a soft brush and solution, rinse with water, and the roof will be clean as new. This is how I prepped my epdm roof for caulking. I was too nervous to try the petroleum products.
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Old 11-11-2015, 07:57 PM   #14
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I installed a Fantastic fan on my old 2010 Cougar in 2011. In the instruction at that time Actone was recommend to soften and scrap the sealant from the rubber roof. What I did was soak a rag and then wipe the seal with it. I than used a plastic scraper to scrap the sealant from the roof. When I traded in the camper this spring I checked the roof and this area was still in good shape.
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Old 11-11-2015, 08:06 PM   #15
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[QUOTE=rsdata;1032967]the roof is either EPDM or TPO


I used mineral spirits on a rag, then wiped thoroughly with IPA to get rid of the mineral spirits.

" IPA " Indian Pale Ale?? was that the spilled beer you used to wipe the roof with
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Old 11-11-2015, 09:48 PM   #16
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Quote:
Originally Posted by wana65stang View Post
Quote:
Originally Posted by rsdata View Post
the roof is either EPDM or TPO


I used mineral spirits on a rag, then wiped thoroughly with IPA to get rid of the mineral spirits.
" IPA " Indian Pale Ale?? was that the spilled beer you used to wipe the roof with
Haha, that made me chuckle. Not an IPA fan myself, so I'd rather spill that than a good stout or porter or a dark ale.
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Old 11-11-2015, 09:50 PM   #17
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Quote:
Originally Posted by zeelarry View Post
You might be surprised how easy it might be to get the putty [or what ever the factory uses] off. I have a 2016 that was produced in April 2015. Anyway, I changed out the fantastic fan this past weekend to a remote control model [wife is only 5' 2"] so the wife can reach the controls.

In taking the old fan out, the outer skin of the putty was dried, but once that top layer was taken off, I was able to just peel the remaining putty off. As such, the putty pulled off real clean from the roofing with little to no residue left to clean up. A lot easier than I thought it would be, and not as bad as the other ones I've replaced, that were several years old.
Thanks for the info. My wife is even shorter, but I'm not bothering to change the existing bathroom fantastic fans (not yet anyway), she just asks me to turn the fan on.

Even my wife will be able to reach the fan over the bed, from on the bed

If this goes well, and I think it'll help with heat, I might get a remote model for the ceiling vent near the kitchen (near main AC). Even I can't reach that, and I'm very tall.
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Old 11-11-2015, 09:54 PM   #18
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Quote:
Originally Posted by rsdata View Post
the roof is either EPDM or TPO

find out how to tell here:
http://www.dicorproducts.com/ultrase...very_Guide.pdf

I used mineral spirits on a rag, then wiped thoroughly with IPA to get rid of the mineral spirits.

I left a MS (not) soaked rag on my roof for an hour while I took a cell phone call, and was surprised to see the roof material buckled under the rag. I did nothing but remove the rag and by the next morning it had gone back into shape about 98%... so the word is... wipe off the mineral spirits quickly.
I believe the Rockwood ultra-lite's like mine are EDPM roof (I'm using the term "rubber" loosely), but I will double-check.
Thanks for the link to that guide.

I think I'll try with some Isopropyl alcohol first, and only resort to the Acetone if really necessary.
I use Isopropyl to remove sticky labels etc (inc. those obnoxious sun visor safety stickers), and for cleaning flux off solder joints on circuit boards, and for getting stains out of carpet and ... well you get the idea, it's very useful stuff
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Old 11-11-2015, 09:59 PM   #19
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Unfortunately it doesn't look like the tan color Eternabond I ordered will be here 'til Monday, according to UPS, so the install will probably have to wait until the following weekend (unless UPS deliver early, which has happened on occasion)
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Old 11-12-2015, 06:01 PM   #20
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Use a heat gun or hair dryer to soften the old Dicor type material. Don't overheat the area, use trial and error until the old material will come loose with a plastic putty knife.
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