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Old 03-08-2015, 03:19 PM   #1
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RV roof

Hi there everyone,
I'm in the process of selling my 1992 27ft Gulfstream ultra limited. Now it's going to need a complete new roof and I explained that the new soon to be owner. He told me that he saw on the internet someone had redone a RV roof and used OSB instead of Luan as the substrait, Has anyone ever heard of this???? One would have the think that the OSB although cheaper than the luan it's a lot heavier.
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Old 03-08-2015, 03:27 PM   #2
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Waferboard or OSB is cheaper than luan (plywood). If it was equally suitable and less expensive than luan, then Rv manufactures would be using it.

While OSB (Oriented Strand Board) is generally cheaper than plywood, it is heavier in weight and not as stiff as plywood. Stiffness is desired on a roof since you walk on it. (more) http://www.diffen.com/difference/OSB_vs_Plywood

After doing structural roof repairs, An easy DIY project is to use EPDM Coatings - Liquid EPDM Rubber Roof Coatings For Roof Leaks
It also comes with a 10 year Warranty.
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Old 03-08-2015, 03:39 PM   #3
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re: roof

Hi Doggy daddy,
the roof on the RV that I'm selling had to be removed and the new owner is going to replace the wood and install a new rubber membrane on it. He said he saw on the net someone had replace the wood with OSB instead of luan since it was cheaper.
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Old 03-08-2015, 03:43 PM   #4
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Here's a link to some previous posts on this.

https://www.google.com/search?q=Osb+...com&gws_rd=ssl
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Old 03-08-2015, 04:08 PM   #5
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Quote:
Originally Posted by CNYRVer View Post
Hi Doggy daddy,
the roof on the RV that I'm selling had to be removed and the new owner is going to replace the wood and install a new rubber membrane on it. He said he saw on the net someone had replace the wood with OSB instead of luan since it was cheaper.
YouTube videos of applying the rubber membrane shows the wood must be smooth requiring sanding. Nothing smoother than luan except a babies bottom.
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Old 03-08-2015, 05:08 PM   #6
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RV roof

Yes, I know that's what I tried explaining to the guy but Im not sure if he understood it.
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