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Old 09-10-2013, 07:14 AM   #1
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Location: Central Florida
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Roof & Floor Wax

Having read quite a few of the comments on using Zep or Johnson's floor wax on the fiberglass roof, I still have a few questions to those that have done it. Also I have read the preparation part of what to do prior to the first application.

Which product did you use & why?
How long does the first application last?
How often do you re-apply?
Do you apply it to the A/C covers, sky-lite, etc?
Prior to re-applying, other than washing the roof is there any additional prep. needed?
Over time (keeping in mind that we are in the Florida sun) have you had any cracking or pealing of the wax?
How long has it been on your roof in years or months?
Have you had any yellowing?

Thank you in advance for all your answers.

R & E
No RV at the moment
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Old 09-10-2013, 08:39 AM   #2
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OPS... I am not keen on using products that have the potential to damage your coach. ZEP as a company makes some serious cleaners. I could not find any decent items in all their products that i would recommend on fiberglass. If you have a mold and deep dirt issue.... I think a non scratching compound like Ajax might help. The GEL coat on the roof is important and if it is damaged you will start getting spider cracks in the fiberglass as the sun and weather beats on the surface. Indoor floor coatings like floor polish....I do not feel good about using that either. I was looking recently at the coatings for my RV body I selected NuFinish.... it is a once per year coating. I do say... I about got roasted putting it on the sides of the RV (sun was hot)....but it went on as advertised and stated that it can be applied in the sun. I took the advert for its word. The rig looks good and beads up water. Can you place this on the roof and on the AC cover YES....even the skylight. Will it be an easy project.... not in my wildest day can I say that. Hands and knees.... wax on wax off.... but I cleaned rig with el cheapo dishwash detergent and just a little tad of bleach in the water to make the mold easier to deal with....I used a car wash soft scrub brush and the results were nice. Then the OUCH came....NuFinsh on.....NuFinish Off.....but it looks good.....and is functional.

Craig Gosselin
1994 Fleetwood 33H
1995 Fleetwood 30H (parts vehicle)
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Old 09-10-2013, 08:58 AM   #3
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I am with you both. I am gun shy about applying a floor wax for inside with no uv ratings on my rig for fear that it will eventually turn into a disaster. I want to see someone's rig that has months of use on it in the sun. I worry about peeling and yellowing. I used spray wax on the roof last time and just let it dry. Just because I was wore out.
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Old 09-10-2013, 10:14 AM   #4
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I would think that a major concern with wax on the roof would be the slippery surface. Please use caution.
.2012 Fleetwood Bounder 33C | 2012 Jeep Wrangler

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Old 09-10-2013, 10:37 AM   #5
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I wouldn't use ZEP or other high gloss product on the roof - just too slippery. I DO get on the roof occasionally and want to minimize the risk.

My 9 year old fiberglass roof is painted and for the past year or so it has begun to shed oxidized paint (chalk) in the form of white streaks down the sides after rain or dew. I plan to re-paint it, but in the interim have been applying an inexpensive floor wax (Mop n Glo or equivalent) to reduce the chalk streak problem. A coat of Mop n Glo lasts a couple months and leaves no residue. No worries about waxy build-up, cause it's just plain gone!

Prep work is simply to wash the roof, but I wash with a strong solution of detergent and bleach and use a medium bristle brush to get crud out of the pores and crevices. The chalking comes back in a few weeks without any floor wax, but the wax extends the time by 5-6 weeks.

I plan to wash and paint the roof this fall, weather permitting.
Gary Brinck
Former owner of 2004 American Tradition
Home is in the Ocala Nat'l Forest near Ocala, FL
Summers in Black Mountain, NC
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