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08-22-2016, 04:04 AM
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#1
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Senior Member
Winnebago Owners Club Freightliner Owners Club
Join Date: Aug 2009
Location: Saddlebrooke, AZ
Posts: 480
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Best way to clean black mold off a roof
New to us 09 Tour....took a look at the fiberglass roof and lots of little black mold dots on it...so looking for best way to clean the roof and keep it that way.
Thanks for your advice...
__________________
2009 WGO Tour 40TD
2012 Honda Fit Sport 5sp
Saddlebrooke, AZ
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08-22-2016, 04:30 AM
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#2
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Senior Member
Vintage RV Owners Club Fleetwood Owners Club
Join Date: Mar 2013
Location: c above
Posts: 5,525
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Depends on what your roof material is I have aluminum roof with fiberglass siding.
I used, http://d2ul0w83gls0j4.cloudfront.net...600/965375.jpg
goes on the end of garden hose spray on wait a few minutes then rinse and it works great.
Tim
__________________
1982 Pace Arrow P30 454
KarKaddy SS, Toad: 2009 Genesis
Tim, Joe and Lilly too. Mpls Minn.
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08-22-2016, 08:41 AM
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#3
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Senior Member
Join Date: Dec 2014
Location: Georgia
Posts: 1,723
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I do not want to put anything on my roof that I would not put on my paint, because you will get some run off, even if you have gutters. I don't know what some people use on thier roofs, but I've seen some awful run off staining, and it's more than just from roof oxidation.
I hate heights and really don't like being on the roof of the coach one bit...... The first time I thought I would use my automotive car wash and a pad on my extension handle, but it was just way too slick for my comfort..... I ended that session very quickly.........
New method is using several foam rubber pads I move around on, sit or kneel on one, then move the other 2 as needed to get around. When I did my first heavy scrub down of the roof on our coach about 8 months after we got it, I played Cinderella, took a bucket up on the roof with clean water, and a bottle that my wife makes up that contains baking soda and peroxide. I simply scrubbed down a small area at a time, then wiped it clean with a damp "rinse" cloth. Just work roughly a 2'x2' section at a time. Took about 3 or 4 hours, but came out very nice. (Required quite a few bucket rinse outs and fresh water refills).
Since then, I have just rinsed it off with water a couple times (standing at the back near the ladder on my pads, and just spraying it with a hose), and then recently did a hands and knees wipe down with a very diluted all natural cleaner, and it looks fine. I do need to clean up the dicor a bit when I decide to get serious on the roof again.
Another safety idea is to work with your slides and awing out........
Regards
__________________
D&S
2024 inTech Sol Dusk
2015 Tiffin Allegro 31SA, 24k (2015-2020)
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08-22-2016, 09:22 AM
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#4
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Senior Member
Holiday Rambler Owners Club
Join Date: Jul 2016
Posts: 113
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For good footing I wear those vibram 5 finger shoes. As for washing the tops I used a car wash and added just a capful of bleach to the 5 gallon bucket when full of soap water solution.
Those shoes really gripped that fiberglass roof. I felt more like I could tumble over being top heavy than slipping.
__________________
Helicopter pilots don't fly, they beat the wind into submission........
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08-22-2016, 08:00 PM
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#5
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Senior Member
Join Date: Jun 2015
Location: Alaska
Posts: 904
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Here is what I found that worked very well: http://www.irv2.com/forums/f104/roof-black-mold-and-algae-250830.html
And yes, you will have to wash the entire coach when finished with the roof.
__________________
Tim & Ruth
Alpine Coach 1999 40FDS, Cummins ISC 350
Project Restoration
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08-22-2016, 09:04 PM
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#6
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Senior Member
Join Date: Aug 2001
Location: North America somewhere
Posts: 30,971
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Whatever RV we owned, I always added a few oz bleach to the 5G bucket of water+car wash soap. It always removed/killed all mold and mildew on the coach, its roof, and awnings. I usually wash the entire RV 4-5 X a year.
I always rinsed thoroughly after washing every 1--15' of roof or sides to prevent streaking or-well, bleaching of the paint or awnings.
DW never has noticed I'm using out of her laundry bleach bottle_.
__________________
2000 Winnebago Ultimate Freedom USQ40JD , ISC 8.3 Cummins 350, Spartan MM Chassis. USA IN 1SG 11B5MX,Infantry retired;Good Sam Life member,FMCA. " My fellow Americans, ask not what your country can do for you, ask what you can do for your country. John F. Kennedy
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08-23-2016, 12:22 AM
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#7
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Senior Member
Join Date: Nov 2013
Location: Burien ,WA
Posts: 1,030
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On mine I used scrubing bubbles cleaner with the wifes Velcro type mop head. Cleaned and rinsed and got the black spots off along with a lot of white powder.
I let dry and put 5 very thin coats of zep commercial floor wax. As I added layers it seemed to soak in. First coat looked blotchy but was all shinny by the 5th coat. Im on year 2 and the roof looks like the day I did it and I get no white steaks down the side when it rains.
The cleaning head was like a fine scotch brite and I used a cloth head for the wax.
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