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Old 05-16-2017, 03:51 PM   #1
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Roof coating for fiberglass roof

Looking for suggestions for a coating for my roof. Not having any problems with leakage now, but its a new to me 12 yr old coach. I know i could clean & wax, but would like to use a good reflective coating to reduce heat load inside. Thanks for your suggestions.
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Old 05-16-2017, 07:19 PM   #2
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Here is a product to investigate. I have never use it but have a neighbor that used it on the glass of his green house and it seems to stay put. I read through the instructions and be sure to take a look at the very last part.
http://www.synavax.com/technical/app...structions.pdf
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Old 05-16-2017, 09:43 PM   #3
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That looks like a possibility, although i had a white coating in mind because i wanted to cover the sky light over the shower.
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Old 05-16-2017, 10:48 PM   #4
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Quote:
Originally Posted by bamarider View Post
That looks like a possibility, although i had a white coating in mind because i wanted to cover the sky light over the shower.
in reading the whole thing I understand that the coating can be painted any color using the proper paint. If your referring to white over the skylight to let in some light I am not sure. Like I said I have never used the product just know about my neighbor's use. It looks as if they have a tech department, maybe you could give them a call and discuss what you are after. Good luck and let us know what you come up with. Richard
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Old 05-17-2017, 10:07 PM   #5
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This is the best there is. Insulating roof paint for buses, recreational vehicles
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Old 05-18-2017, 12:08 AM   #6
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Well Gang,
If I was worried about thermal insulation from the roof of the coach, about the one and only "coating" I'd have installed is a form of Rhino Lining. A company in San Diego (actually El Cajon, San Diego County) called San Diego RV Center has coated hundreds and hundreds of RV roofs of all types, fiberglass, Aluminum, Rubber, TPO and more. Now, on the Rubber ones, they remove all that crap and get down to substrate. They make sure there's no rot or issues. Then, all is taped off and, the spraying begins.

When done, it's usually thicker than 3/16". You'd have to put about 50 coats of any other paint to achieve that. And, their primary color is Silver due to thermal reflectance and, insulation against the suns rays. When it's all said and done, you have a one piece roof, that's radiused over the edge. Not even a chance of a leak. You have a quieter coach, more insulated, and a life time guarantee.

When I was down there getting some body work done, I saw many coaches in prep for the roof coating and, many that were already done. And some, were fairly high-end coaches.
Scott
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Old 05-18-2017, 12:43 AM   #7
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Hey Scott how's it going!
About the Rhino coating.....is the application smooth? I've used Line-X many times and it has a rough texture as you know. Like Rhino, it's tough as hell, you can't hurt it. I look at both as about the same product, don't know if chemically they are or not.

I've thought about doing the roof with Line-X before....I did the bumpers on my van, they matched the paint code I supplied, and put the paint IN the Line-X material prior to spraying. It worked great, but it was the rough texture. Also saw a guy that did his entire truck with it.....wild stuff. Another guy I saw did his whole motorcycle flat black!

I just never pursued it not knowing whether they could spray it smooth or not. It would be hard to clean with it rough like a bed lining.

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Old 05-18-2017, 11:07 AM   #8
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Quote:
Originally Posted by Electra 225 View Post
Hey Scott how's it going!
About the Rhino coating.....is the application smooth? I've used Line-X many times and it has a rough texture as you know. Like Rhino, it's tough as hell, you can't hurt it. I look at both as about the same product, don't know if chemically they are or not.

I've thought about doing the roof with Line-X before....I did the bumpers on my van, they matched the paint code I supplied, and put the paint IN the Line-X material prior to spraying. It worked great, but it was the rough texture. Also saw a guy that did his entire truck with it.....wild stuff. Another guy I saw did his whole motorcycle flat black!

I just never pursued it not knowing whether they could spray it smooth or not. It would be hard to clean with it rough like a bed lining.

Regards,
W.D.
Good morning W.D.
We're all doing fine in the Arizona des right now, perfect weather. Anyway, the "Rhino Liner" texture that's sprayed on the roof is, from what I can tell, a bit like an orange peel only maybe a tad rougher. I have searched relentlessly for the pictures I took when I was gettig body work done on my coach and someday, I'll find them and post them here. I didn't get up on the roof of any of the coaches I saw but, the body shop foreman showed me roof radius's of many.
I tell ya, If I was even close to thinking about any form of roof coating for our coach, I'd fork out the money in a heart beat for that one. Talk about bullet proof. They claim a 30% or more reduction in both heat and noise due to that coating. Now, in all reality, my fiberglass roof is in top shape and I keep it waxed so, I really don't have a need to coat it with anything. But, talk about a guaranty of "no leak", man, it don't get any better than that coating.

And, you can get up there and dance around all day long without fear of any damage. Not that I'd want to dance on my roof. But, as for cleaning that surface, not a problem. Not many clean their roofs anyway but, if and when you'd want to, just use a nice brush and soap and water, DONE. It's not nearly as slippery as my waxed roof.

And, it can be color tinted for those with full body paint. Again, I'll look for the pics of the radius's that I have.
Scott
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Old 05-18-2017, 11:27 AM   #9
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Thanks Scott, appreciate the information.

W.D.
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Old 05-19-2017, 04:38 PM   #10
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Dicor makes a good white paint for fiberglass roofs. Strangeley enough, they call it Fiberglass Roof Coat!
https://dicorproducts.com/product/fi...-roof-coating/

I used it on my coach when the fiberglass surface began to chalk a bit and it did a fine job.
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Old 05-20-2017, 06:12 AM   #11
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Thanks everyone for all the suggestions, this is a lot of info. Don't think I'll use any of the rhino liner type coatings, but leaning toward the epdm or elastomeric coatings.
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