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Old 03-18-2012, 10:11 PM   #15
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1966 26' Overlander
1978 31' Sovereign
Glenburnie , Ontario
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And this is my left side, was a separate piece on the bottom I managed to get out on it's own
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Old 03-19-2012, 12:35 PM   #16
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1981 31' Excella II
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It does not look that bad. You might get by with removing just the rotten section on that one and treat with bleach to kill the fungus on the remaining area. It is kinda hard to tell what the overall damage is from the photos but what I can see is no that bad. The area where it connects to the rear of the shell is the most critical structural area.


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Old 03-19-2012, 03:09 PM   #17
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1969 25' Tradewind
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replacing the subfloor in the rear of your trailer

the shell is connected to the plywood subfloor on the outter edges or perimeter of the wood floor which is attached to the frame. it is quite a job and requires jack stands to do it correctly. the only way to replace the subfloor correctly is to do a partial frame off of the back end of the trailer.
in my case i am going back in with all new rear steel framing, walls bathroom etc...
you can do this without removing the walls and lighting as i did and make sure to use the old floor as a template of course for those tricky arches. the important thing is to find the source of your leaks which damaged the floor. the #1 culprit is the back end of the trailer where the subfloor meets the outter shell, i will be installing an aluminum roof flashing that goes between the wood and the outer shell, again i will send pics once thisis done. #2 check your plumbing vent as this may have a bad seal at the roof and water trickles down the the floor when it rains.
#3 the wheel well may splash water up underneath the trailer thus wetting the subfloor so make sure the wheel well area is seal correctly also.
i will send more pics as i continue with my restoration. i will be putting my floor back in this coming weekend. good luck with yours
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Old 03-20-2012, 03:25 AM   #18
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1966 26' Overlander
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I noticed the belly pan in the center stretches right back to under the bumper compartment, should it be sealed off, there was no sealant, and I don't think the bumper compartment is water tight, thus allowing water into the belly pan rotting the floor from the bottom? The bottom of the wood is definatly worse than the top
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Old 03-20-2012, 07:14 AM   #19
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I noticed the belly pan in the center stretches right back to under the bumper compartment, should it be sealed off, there was no sealant, and I don't think the bumper compartment is water tight, thus allowing water into the belly pan rotting the floor from the bottom? The bottom of the wood is definatly worse than the top
John yes the belly should be sealed to the last crossmember. It was originally but probably has long since disappeared. I would also drill some drain holes in the belly inside that storage area to allow the water to escape. You are seeing excatly what the water does once it gets into the belly, rotting the floor from below and rusting out the frame. Use a good rustproofing paint like POR-15 on the frame, seal the plywood with a water proofing material and use a different material for the insulation. The fiberglass only acts as a wick and storage membrane for any water that can get into the belly.
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Old 03-21-2012, 02:20 AM   #20
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1966 26' Overlander
1978 31' Sovereign
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That's what I was thinking, thanks, anyone ever use spray foam on the floor? Iv seen it on the bottom of tractor trailer cabs exposed to the elements and it seems to work good there
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Old 06-11-2012, 01:00 AM   #21
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1966 26' Overlander
1978 31' Sovereign
Glenburnie , Ontario
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The floor project is slowly coming along got the frame cleaned and painted and the new plywood cut tonight
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Old 06-11-2012, 09:46 AM   #22
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1981 31' Excella II
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Your looking good so far.

The problem with spray foam is that is won't allow water to get out. It seals any water against the wood. Many of us have used some sort of rigid foam product and made sure water has a path to exit if it gets trapped in there. Drains of some sort in the belly skins is not a bad idea. I got rid of the bumper plate at the back and the storage box that tends to funnel water under the skins.

Here is something about the bumper plate ectomy.

http://www.airforums.com/forums/f476...fun-91686.html

Here are some photos of my rear end center bath rebuild and some of the front as well. I am sorry for the disorganized mess. I have not have time to edit everything down.

http://www.motorcycleproducts.org/AS...Floor-Repairs/

Perry

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Old 06-13-2012, 12:58 AM   #23
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1966 26' Overlander
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Thanks! There was definitely some good thoughts and ideas there, so for drains in the belly pan, where would you put them and just a hole or is there a better way?
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Old 06-13-2012, 05:41 AM   #24
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A hole with some sort of screen over it to keep rats and larger bugs out. I am pondering this myself.

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