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Home » Public Forums » GMCnet » [GMCnet] Sub floor Replacement: Treated vs. Untreated
[GMCnet] Sub floor Replacement: Treated vs. Untreated [message #252314] Mon, 16 June 2014 14:43 Go to next message
Mark Kasiewicz is currently offline  Mark Kasiewicz   United States
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Registered: June 2014
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Junior Member
When replacing the 3/4" plywood flooring that rotted, would the community
recommend treated or untreated exterior grade plywood ?
We have removed the rear two floor panels ( about to the middle of the rear
wheel wells. )
Thanks ~

Mark Kasiewcz & Dawn Koepp
Gus Da Bus '77 Kingsley
Eau Claire, WI
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Re: [GMCnet] Sub floor Replacement: Treated vs. Untreated [message #252317 is a reply to message #252314] Mon, 16 June 2014 15:01 Go to previous messageGo to next message
powerjon is currently offline  powerjon   United States
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Registered: January 2004
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I recommend the treated plywood if the product is exposed to environment. The non treated will rot faster, were as the treated stuff will last as long as you own the coach.

JR Wright
78 Buskirk Stretch
75 Avion
Michigan

On Jun 16, 2014, at 3:43 PM, Mark Kasiewicz wrote:

> When replacing the 3/4" plywood flooring that rotted, would the community
> recommend treated or untreated exterior grade plywood ?
> We have removed the rear two floor panels ( about to the middle of the rear
> wheel wells. )
> Thanks ~
>
> Mark Kasiewcz & Dawn Koepp
> Gus Da Bus '77 Kingsley
> Eau Claire, WI
> _______________________________________________
> GMCnet mailing list
> Unsubscribe or Change List Options:
> http://temp.gmcnet.org/cgi-bin/mailman/listinfo/gmclist

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J.R. Wright
GMC GreatLaker
GMC Eastern States
GMCMI
78 30' Buskirk Stretch
75 Avion Under Reconstruction
Michigan
Re: [GMCnet] Sub floor Replacement: Treated vs. Untreated [message #252323 is a reply to message #252314] Mon, 16 June 2014 15:50 Go to previous messageGo to next message
Jim Rountree is currently offline  Jim Rountree   United States
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Registered: July 2010
Location: San Antonio, TX
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Member
Put in the good stuff. To much trouble to do again. Check your insulation and replace if in question. seal the flooring as it goes in. Use self taping screws with special drive heads.
Fix water leak--we don't want to do again


Jim Rountree San Antonio,TX 76 PB, 76 Royale RB
Re: [GMCnet] Sub floor Replacement: Treated vs. Untreated [message #252368 is a reply to message #252314] Mon, 16 June 2014 22:11 Go to previous messageGo to next message
Jim Galbavy is currently offline  Jim Galbavy   United States
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Registered: August 2007
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Senior Member
I would go with marine plywood.

jim galbavy
'73 x-CL ANNIE
Lake Mary, FL
Re: [GMCnet] Sub floor Replacement: Treated vs. Untreated [message #252372 is a reply to message #252314] Tue, 17 June 2014 06:36 Go to previous messageGo to next message
midlf is currently offline  midlf   United States
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Registered: July 2007
Location: SE Wisc. (Palmyra)
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Senior Member
check on the compatibility of the treated wood with the aluminum frame as to corrosion. Some treated wood can be very aggressive to some metals. I used some treated wood to replace the section under the Onan battery. I isolated the wood from the aluminum using plastic angle strips. It's too soon to know how this worked out.

Steve Southworth
1974 Glacier TZE064V100150 (for workin on)
1975 Transmode TZE365V100394 (parts & spares)
Palmyra WI
Re: [GMCnet] Sub floor Replacement: Treated vs. Untreated [message #253478 is a reply to message #252372] Fri, 27 June 2014 21:34 Go to previous message
Jp Benson is currently offline  Jp Benson   United States
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Registered: October 2011
Location: Fla
Karma: 2
Senior Member
Just bought 6 sheets of Roseburg BoatPly for my floor. Reasonable price, marine grade industrial panel. Was looking at Coosa Board and Thermo-Lite but they were 5-6X more expensive.

JP
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