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11-14-2011, 07:13 PM
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#1
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Member
Join Date: Feb 2011
Location: SW FL
Posts: 41
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Liquid Roof...stains
9 months since I put liquid roof product on went on easy and still no leaks..but looks horrible...any of you guys use this?? looks like mildew...company says no....
__________________
Neal Trombley
3120 Designer Series ( the love Shack)
2011 F250 King Ranch,6.7 Beast...
Reese, WD, Dual Cam Sway.. 
SW Florida..
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11-14-2011, 07:29 PM
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#2
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Site Team
Join Date: Nov 2010
Location: Virginia`s Eastern Shore
Posts: 17,092
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Looks like maybe mold or the black layer is showing through the EPDM roof material which occurs when the white layer wears off. What was the companies explanation, if any?
__________________
2017 Coachmen Catalina 283RKS
2018 Ford F250 Super Duty 6.2l CCSB
2010 Jayflight 28BHS (sold)
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11-15-2011, 06:44 AM
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#3
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Member
Join Date: Feb 2011
Location: SW FL
Posts: 41
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I just emailed the pics to Liquid Roof...wait and see?? I put on according to their instructions..?? I will keep you posted..
__________________
Neal Trombley
3120 Designer Series ( the love Shack)
2011 F250 King Ranch,6.7 Beast...
Reese, WD, Dual Cam Sway..
SW Florida..
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11-15-2011, 08:46 AM
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#4
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Senior Member
Join Date: Feb 2011
Location: Germantown, TN
Posts: 4,923
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I have some of that on my factory roof, but not quite as bad. I assumed too that is was a light layer of mildew. Most of it comes off with a little scrubbing, but it does take some work and it leaves a little bit of stain. Will be curious what you hear and what cleaning products work best on it.
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11-15-2011, 09:08 AM
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#5
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Senior Member
Join Date: Jun 2010
Location: Saskatoon Sask Canada
Posts: 10,726
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My buddy did that to his roof ... same results....
__________________
Seann
2004 Chev Silverado Duramax optioned past the max. 2009 Jayco Eagle 308 RLS 900watts of solar, Lithium batteries (400amp hour), 2000 watt (4000 surge) whole house inverter.
145days /2023 2022/151 2021[/COLOR]
93/2020,157/2019219/2018 206/2017,215/2016, 211/2015, 196/14, 247/13, 193/12
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11-15-2011, 10:35 AM
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#6
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Senior Member
Join Date: May 2011
Location: Aldergrove British Columbia
Posts: 815
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Thanks for bringing this to our attention. It doesn't look good and I suspect that the it needs an anti fungal product added to the mix or a pre clean step that would avoid this. I know that Dicor only recommends a product called 303 if I remember correctly. Some googling on Dicor should give some results.
__________________
Richard
2011 Jay Feather Select 28U
2007 Silverado Crewcab LT 6.0L
Happily married and father of
two university students.
Cancer survivor
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11-15-2011, 01:17 PM
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#7
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Member
Join Date: Feb 2011
Location: SW FL
Posts: 41
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Thanks for the input guys...I am in conversation with the manufacture right now...they want me to bleach my roof...?? I have new awnings that I am not getting bleach anywhere near them....I will keep you posted...
__________________
Neal Trombley
3120 Designer Series ( the love Shack)
2011 F250 King Ranch,6.7 Beast...
Reese, WD, Dual Cam Sway..
SW Florida..
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11-15-2011, 06:30 PM
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#8
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Moderator Emeritus
Join Date: Apr 2011
Location: Michigan
Posts: 9,424
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Quote:
Originally Posted by nealtrombley
Thanks for the input guys...I am in conversation with the manufacture right now...they want me to bleach my roof...?? I have new awnings that I am not getting bleach anywhere near them....I will keep you posted...
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Neil,
If it were my roof, I would leave well enough alone just short of a good wash job.
What you are experiencing is common, can become more visible as any TT ages, and IMO is really more of a cosmetic issue (not the TPO or EPDM material properties being compromised). The roof attracts a lot of stuff (leaves, pollutants, etc.) that can cause staining when mixed with moisture (rain, dew, snow, etc.) and allowed to dry.., thus building up over time.
A spring and fall roof washing with an application of a good UV protectant (303 Aerospace Protectant) is the best means of minimizing the black spots over time. http://www.303products.com/shop303/i...protectant.cfm
Bob
__________________
2016 GM 2500HD 6.0L/4.10
2018 Jay Flight 24RBS
2002 GM 2500HD 6.0L/4:10 (retired)
2005 Jayco Eagle 278FBS (retired)
1999 Jayco Eagle 246FB (retired)
Reese HP Dual Cam (Strait-Line)
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11-15-2011, 07:00 PM
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#9
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Site Team
Join Date: Nov 2010
Location: Virginia`s Eastern Shore
Posts: 17,092
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It does appear to just be stained or mold. On my last TT though which I bought used the second layer of the roof material which is black was showing through in spots. I think the previous owner may have sprayed something on there that the roof material did not like. It was only 7 yrs old at the time. Your trailer is 10 to 12 yrs old so the white layer of the roof could be getting thin, which is why I included that as a possibility. I have seen some old wore out EPDM roofs that were almost black, not just from stains but from the outer white layer wearing off.
__________________
2017 Coachmen Catalina 283RKS
2018 Ford F250 Super Duty 6.2l CCSB
2010 Jayflight 28BHS (sold)
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11-15-2011, 08:02 PM
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#10
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Moderator Emeritus
Join Date: Apr 2011
Location: Michigan
Posts: 9,424
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Quote:
Originally Posted by Crabman
snip.......I have seen some old wore out EPDM roofs that were almost black, not just from stains but from the outer white layer wearing off.
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Lee,
Alway a possibility.
Bob
__________________
2016 GM 2500HD 6.0L/4.10
2018 Jay Flight 24RBS
2002 GM 2500HD 6.0L/4:10 (retired)
2005 Jayco Eagle 278FBS (retired)
1999 Jayco Eagle 246FB (retired)
Reese HP Dual Cam (Strait-Line)
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11-16-2011, 07:04 AM
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#11
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Member
Join Date: Feb 2011
Location: SW FL
Posts: 41
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it was all black before I coated it in Jan...some say you can leave it black and spray 303 or some rubber additive on it....this is 100% mildew and I will have to live with it..or bleach it...I agree a Mildew additive needs to be put in to the mix next time..??
also agree the roof is tight and dry no leaks...that is the biggest thing..I am just a clean freak and hate seeing a NEW nasty looking roof......
__________________
Neal Trombley
3120 Designer Series ( the love Shack)
2011 F250 King Ranch,6.7 Beast...
Reese, WD, Dual Cam Sway..
SW Florida..
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11-16-2011, 08:15 AM
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#12
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Site Team
Join Date: Nov 2010
Location: Virginia`s Eastern Shore
Posts: 17,092
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Quote:
Originally Posted by nealtrombley
it was all black before I coated it in Jan...some say you can leave it black and spray 303 or some rubber additive on it....this is 100% mildew and I will have to live with it..or bleach it...I agree a Mildew additive needs to be put in to the mix next time..??
also agree the roof is tight and dry no leaks...that is the biggest thing..I am just a clean freak and hate seeing a NEW nasty looking roof......
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OK, so your roof was black before you coated it, recoating made it white again, and now mildew has grown on it in some spots if I understand correctly. You are right, no one will ever see it unless they are on their roof looking down! So It appears no worries 
__________________
2017 Coachmen Catalina 283RKS
2018 Ford F250 Super Duty 6.2l CCSB
2010 Jayflight 28BHS (sold)
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