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11-05-2015, 05:47 PM
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#1
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Winnebago Owner
Join Date: Mar 2012
Location: Fulltime RVer
Posts: 212
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Chalky Fiberglass roof?
The color of my motor home handles the white chalky stan that runs down the side of the rig. My question is should I stop the chalky roof with wax or is it OK to leave it be chalky?
I guess to elaborate will yellowing wax make my roof last longer or is just as well to leave it be chalky?
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11-05-2015, 06:09 PM
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#2
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Winnebago Owner
Join Date: Apr 2015
Posts: 80
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Same thing is happening to me. I look forward to any suggestions.
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2011 Itasca Meridian 34Y
2014 Honda CR-V
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11-05-2015, 08:29 PM
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#3
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Winnebago Master
Join Date: Dec 2009
Location: Out there, somewhere
Posts: 1,748
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Quote:
Originally Posted by homeless
The color of my motor home handles the white chalky stan that runs down the side of the rig. My question is should I stop the chalky roof with wax or is it OK to leave it be chalky?
I guess to elaborate will yellowing wax make my roof last longer or is just as well to leave it be chalky?
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Well Sir,
Chalking is a sign of excessive oxidation to the fiberglass. It's just like any surface on an automobile. If one never washes or waxes a paint job on the average car, you'll eventually see chalking on it too only, it will take a bit longer 'cause automobile surfaces have more UV resistance engineered into them.
Anyway, to answer your question, you could leave it like that and, most likely you'll get away with it for a number of years since, in all the years I've beer RVing, I've never heard of anyone's fiberglass roof, ROTTING OFF.
Or, you could get up there and, give it a good scrub with some soap and water and, even some cleanser to be a bit more aggressive to get off the excess oxidation. Then, a good wax job will take care of it for quite a while. Some will advocate the use of floor wax like ZEP or, other products to use up there and, many have had I guess, good results.
Scott
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2004 ITASCA HORIZON 36GD, 2011 GMC Sierra 1500 4x4 Toad '08 GL 1800 Gold Wing 
Retired-29.5 yrs, SDFD, Ham - KI6OND
Me, Karla and the Sophie character, (mini Schnauzer)
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11-06-2015, 08:00 AM
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#4
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Winnebago Camper
Join Date: Jul 2010
Location: Daphne,Al
Posts: 37
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a couple of coats of mop and glow will work great.
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2006 Itasca Suncruiser 38T
Traveling with Westies, Max, Ellie and new addition Sophie.
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11-06-2015, 08:54 AM
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#5
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Winnie-Wise
Join Date: Aug 2002
Location: WHITING,NJ,USA
Posts: 470
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Short and simple,,, wash it frequently
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07 Itasca Ellipse 40fd, 2014 Honda CRV, greyhound lab mix, pit pointer mix(RIP bessie) , shar pei mix, stupid cat, wife
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11-06-2015, 11:56 AM
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#6
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Winnebago Master
Join Date: Nov 2005
Posts: 1,520
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I use a coating designed for boats and that works quite well. It makes cleaning the roof easier (actually almost self cleaning) and a clean roof lessens the load on the AC.
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Neil V
2001 Winnebago Adventurer WFG35U
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11-06-2015, 06:35 PM
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#7
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Winnie-Wise
Join Date: Apr 2000
Location: Waynesboro,PA USA
Posts: 307
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We always have used NU Finish on our rigs. The Winnie adventurer that we owned from 2000 to 2005 was not painted and never turned yellow. We are using it on the little rig I just bought. It is not painted and I expect it will never turn yellow either.
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Downsized  Winnebago C, 24 V /08 Saturn Vue/2014 Town and Country Van/03 Goldwing (Big Red)Recently triked Roadsmith kit
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11-09-2015, 11:45 AM
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#8
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Winnebago Watcher
Join Date: Mar 2015
Posts: 1
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I have an 1999 Itasca Spirit, with a 7.3 powerstroke diesel which I had chipped for economy 11 MPG. For the roof I 1st cleaned it very good. Then I put down a heavy coat of McQuires paste wax when I was almost done it started raining and didn't stop for 3 days. Very hard to get off.called McQuires & they told me to put another coat of the same wax. Still hard to get off. So I sprayed the roof with a wax called ICE, then used a buffer with foam head. Shined like a new penny. That was 3 yrs. ago. After just washing with a water fed hose brush the shine comes back with just cold water. Exception is where leaves have been allowed to sit.The overhang for me was the hardest part.I hope this post helps any of us that own fiberglass RV's. Happy Trails = Jim:aka-trikerguy
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11-09-2015, 11:59 AM
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#9
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Winnebago Camper
Join Date: Aug 2010
Posts: 14
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Be extremely careful when walking on the Turtle Wax ICE! It makes things very, very slippery. I use it all over our coach: Outside walls & roof, windows (inside & out), mirrors, countertops, rubber gaskets on the outside, sinks, the face of the fridge and microwave. I even ICE the walls in the shower. Just not the shower floor as it gets way too slippery.
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11-13-2015, 06:50 PM
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#10
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Winnebago Owner
Join Date: Nov 2015
Location: Anchorage, Alaska
Posts: 69
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I found this article on the web - FIBERGLASS CARE AND MAINTENANCE
Fiberglass Care and Maintenance Article - Protect All
Choose a wax suitable for fiberglass, like Protect All, Polish, Wax and Treatment with UV Protectant.
Max UV protection is one of the key features to look for.
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11-14-2015, 10:36 AM
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#11
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Winnebago Owner
Join Date: Mar 2009
Posts: 214
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I finally ended up using ZEP floor wax, 4 coats as recommended on the bottle, using a 10" applicator head. First I pressure washed it using a rotating head.
Ok, I am lazy, but too cheap to get it done by the pros.
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Ole and Anne Anderson, Highland, Michigan
'02 Adventurer 32V, Ford F-53, ours since 4/08,Goodyears, Konis, SeeLevel, CHF
'84 CJ-7 , 5.3 Chevy, 3" lift, 33's, Detroit Locker, Fiberglas tub, winch, hi-lift
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11-14-2015, 10:49 AM
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#12
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Winnebago Owner
Join Date: Oct 2009
Posts: 86
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Washed and cleaned really good, on my hands and knee's.......that is the key to how long it will last and how it will look when you are done. I put 5 coats of Zep commercial floor wax on my fiberglass roof. It looks like new.......did it in the early spring, and it still looks like the photo now in the fall..........
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2000 Newmar MADP 4060, 350ISC, Spartan MM, IFS 2011 Jeep JK, M&G Braking, 2014 MTI 27' Hog Hauler, Wireless brake control, 2006Ultra & 1989 Springer
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11-22-2015, 06:00 PM
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#13
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Winnebago Watcher
Join Date: Aug 2015
Posts: 1
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Please on my new to me 2000 Aerbus I have a chalky roof that runs down onto the sides and glass when it rains or even when moisture in the air. So do I use soap and water to remove it before applying a finish coat. It is pretty heavily oxidized.
Thanks
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Rexhall 2000 Diesel Aerbus
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11-29-2015, 02:54 PM
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#14
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Winnebago Watcher
Join Date: Sep 2015
Posts: 1
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The Zep will not be affected from outside elements?
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11-29-2015, 03:23 PM
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#15
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Winnebago Camper
Join Date: Apr 2010
Posts: 7
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Do you keep the Zep off of all the caulking ?
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2012 Itasca Suncruiser 37F, F53, Safe-T-Plus
Brake buddy
2007 Honda CR-V
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11-29-2015, 03:34 PM
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#16
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Winnebago Owner
Join Date: May 2011
Posts: 52
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We had exactly the same problem as the OP and used Dicor Fiberglass Roof Coating on the roof three years ago and the chalking stopped completely. http://www.amazon.com/Dicor-RPFRC1-F.../dp/B007TQI96K
Yes, it costs a bit more than some other approaches but at least you're using a product that is intended for this purpose rather than trying to adapt some other product to your needs.
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Joel Weiss-- WiFiRanger RV Ambassador
RVParkReviews administrator
2000 40' Beaver Patriot Thunder Princeton CAT C-12
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