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[GMCnet] The Restoration.Plywood under right seat. Simple to replace [message #289204]

Thu, 22 October 2015 23:21

BobDunahugh

Messages: 2465
Registered: October 2010
Location: Cedar Rapids, IA

Karma: 11

Senior Member

I've seem 3 GMC's with this plywood floor section in poor condition. After I got the front seats out. I found the floor plywood that's next to the outside wall vary soft. There are 7 pop rivets holding that floor section in place. I drilled the rivets out. And that floor section lifted out vary easy. So I'm going to get some marine plywood. And make that panel on my table saw. Then apply some rubberized under coating to the bottom side. Then I'm going to put down some epoxy paint to seal the entire floor. If anyone wants some photo's. Let me know by privet E-mail.Bob Dunahugh78 Royale
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Re: [GMCnet] The Restoration.Plywood under right seat. Simple to replace [message #289211 is a reply to message #289204]

Fri, 23 October 2015 00:45

jimk

Messages: 6734
Registered: July 2006
Location: Belmont, CA

Karma: 9

Senior Member

Bob,
What is important to seal a plywood are the side edges. Double seal the
sides.

On Thu, Oct 22, 2015 at 9:21 PM, Bob Dunahugh wrote:

> I've seem 3 GMC's with this plywood floor section in poor condition. After
> I got the front seats out. I found the floor plywood that's next to the
> outside wall vary soft. There are 7 pop rivets holding that floor section
> in place. I drilled the rivets out. And that floor section lifted out vary
> easy. So I'm going to get some marine plywood. And make that panel on my
> table saw. Then apply some rubberized under coating to the bottom side.
> Then I'm going to put down some epoxy paint to seal the entire floor. If
> anyone wants some photo's. Let me know by privet E-mail.Bob Dunahugh78
> Royale
> _______________________________________________
> GMCnet mailing list
> Unsubscribe or Change List Options:
> http://list.gmcnet.org/mailman/listinfo/gmclist_list.gmcnet.org
>

--
Jim Kanomata
Applied/GMC, Fremont,CA
jimk@appliedairfilters.com
http://www.appliedgmc.com
1-800-752-7502
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Jim Kanomata
Applied/GMC
jimk@appliedairfilters.com
www.appliedgmc.com
1-800-752-7502

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Re: [GMCnet] The Restoration.Plywood under right seat. Simple to replace [message #289213 is a reply to message #289204]

Fri, 23 October 2015 01:04

emerystora

Messages: 4442
Registered: January 2004

Karma: 13

Senior Member

Bob
That is usually caused by leakage of the Windows above that area. It could also be a roof seam where the leak is running down a roof channel and dripping down the wall (or the inside of the wall). It can be a razor thin leak that has leaked over a long period of time.
While you have the wall and ceiling panels off you should check with a water hose by running the water starting low and working up to the center of the roof. One person inside and another working the hose outside.
I found an "invisible" crack between the front roof fiberglass panel and the main aluminum roof this way. It was in the top center of that seam but the water dripped from the side just above the the front of the large passenger side window. The water was running through theft one roof channel to the side about 4' from the actual leak.

Emery Stora

> On Oct 22, 2015, at 10:21 PM, Bob Dunahugh wrote:
>
> I've seem 3 GMC's with this plywood floor section in poor condition. After I got the front seats out. I found the floor plywood that's next to the outside wall vary soft. There are 7 pop rivets holding that floor section in place. I drilled the rivets out. And that floor section lifted out vary easy. So I'm going to get some marine plywood. And make that panel on my table saw. Then apply some rubberized under coating to the bottom side. Then I'm going to put down some epoxy paint to seal the entire floor. If anyone wants some photo's. Let me know by privet E-mail.Bob Dunahugh78 Royale
> _______________________________________________
> GMCnet mailing list
> Unsubscribe or Change List Options:
> http://list.gmcnet.org/mailman/listinfo/gmclist_list.gmcnet.org

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Re: [GMCnet] The Restoration.Plywood under right seat. Simple to replace [message #289215 is a reply to message #289204]

Fri, 23 October 2015 02:03

appie

Messages: 902
Registered: April 2013
Location: denmark

Karma: 2

Senior Member

Bob, I id not think of it when I did the floor.
There is a gap between the floor and the outer wall. This gap allows engineroom smells to enter the cockpit. Sealing this gap will given a cleaner smelling cckpit

Appie eleganza 76 "Olga" now sadly sold 6 wheel discbrake Quadrabags Springfield stage 2 462 olds Manny tranny ( pictures at http://www.gmcmhphotos.com/photos/g6489-olga.html Fulltiming in Europe july 2014 til july 2016 Denmark

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Re: [GMCnet] The Restoration.Plywood under right seat. Simple to replace [message #289219 is a reply to message #289215]

Fri, 23 October 2015 05:51

Mr ERFisher

Messages: 7117
Registered: August 2005

Karma: 2

Senior Member

Read here
http://gmcmotorhome.info/skin.html#COCKPIT

On Friday, October 23, 2015, lenze middelberg wrote:

> Bob, I id not think of it when I did the floor.
> There is a gap between the floor and the outer wall. This gap allows
> engineroom smells to enter the cockpit. Sealing this gap will given a
> cleaner
> smelling cckpit
> --
> Appie
> eleganza 76 "Olga" ( pictures at
> http://www.gmcmhphotos.com/photos/g6489-olga.html
> Fulltiming in Europe since july 1 2014
> Denmark
>
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>

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