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Old 07-01-2014, 06:31 AM   #61
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1973 27' Overlander
Portsmouth , Virginia
Join Date: Jun 2012
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Originally Posted by caspery View Post
I just opened the front banana wrap on my 73 and it looks identical to yours. I'm hammering out rock dents in the wrappers and wondering if I want to remove the entire belly. Were you just slithering around on your back to do all the work? What insulation are you using for new?
If you haven't pulled the belly pan yet to take a good look at the frame, then I would suggest you do. You just don't know what is down there in terms of rust and rot and its also a good idea to get rid of the old pink fiberglass that holds moisture up against the frame.

I used a mechanics creeper to roll on, the trailer sits on a concrete apron besides the garage. You could also put some cardboard or plywood down, especially if the trailer is sitting on grass or gravel.

For insulation I used some closed cell foam board that I got at HD. I used 3/4" and doubled it up to 1.5" for an R value of about 8. It is held up with 2" decking screws and fender washers that go into the subfloor. I think it does a pretty good job and it wont hold any moisture against the frame. It may help make the trailer a bit quieter too, but thats subjective.

One bit of advice though, be careful if you are wirebrushing the rust on the frame while you are on your back. I was wearing wrap around safety glasses and still managed to get a small speck of rust in my left eye. It was not a fun experience and not cheap either with what they charge for specialist copays.
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Old 07-01-2014, 01:47 PM   #62
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1974 31' Sovereign
Columbus , Ohio
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Originally Posted by aquinob View Post

For insulation I used some closed cell foam board that I got at HD. I used 3/4" and doubled it up to 1.5" for an R value of about 8. It is held up with 2" decking screws and fender washers that go into the subfloor.
As a penny-pinching add-on comment, I recommend using small scrap aluminum squares with 1/8 holes drilled in the center, in place of fender washers, if available. They worked great for me.

mike
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Old 01-01-2015, 05:51 PM   #63
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1976 31' Sovereign
Portage , Indiana
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Great pictures. Great information. Can't start that kind of project till spring,snow & cold in Indiana. This forum and people are great. Jim & Teach.
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Old 02-04-2015, 05:26 AM   #64
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1982 31' Excella
Rochester , New York
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Bob, can you tell me where I can purchase ceramiflex coating?

Thanks Jeff
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Old 02-04-2015, 05:57 AM   #65
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Jeff
I ordered it through a roofing supplies distributor in Norfolk. Comes in a 5 gallon bucket and is not cheap, but worth it in my book. I think you can call the company that makes it and they can tell you who sells it in your area.
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Old 02-04-2015, 07:03 AM   #66
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1971 25' Tradewind
1993 34' Excella
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Bob, can you tell me where I can purchase ceramiflex coating?

Thanks Jeff
Yeah, It only comes in 5 gal. This is enough for 3 or 4 Airstreams. You also have to use their acid etching primer. This comes in one gallon buckets. The system also has an optional finish coat.
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Old 02-04-2015, 03:11 PM   #67
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Yeah, It only comes in 5 gal. This is enough for 3 or 4 Airstreams. You also have to use their acid etching primer. This comes in one gallon buckets. The system also has an optional finish coat.
Yes, it can do 2-3 Airstreams. Unless they have changed things up since I bought it about 2 years ago, there is no primer necessary. And there was no finish coat. It's been on the roof for 2 years now and no real problems with chalking or breakdown, though it does darken up with dirt over time and can either be recoated or at least scrubbed down with a soft bristle brush.

Here is a link to the product pdf from their website: http://sealoflex.com/pdf/Ceramiflex.pdf

This is a commercial roofing product that just happens to work very well on an aluminum trailer roof. There are others that they and other manufacturers make.

Side note: When I googled "Ceramiflex", the first return was my original posting on airforums. Whoda thunk it. http://www.google.com/url?sa=t&rct=j...85142067,d.cWc
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Old 02-05-2015, 03:34 AM   #68
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1982 31' Excella
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Thanks Bob I will give them a call.
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Old 05-15-2020, 11:50 AM   #69
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1973 25' Tradewind
Benicia , California
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Vent lines, Overflow?

Bob, can you tell me if the vent lines that are T'ed from the 2 vent ports on the tank also have an overflow tube that goes out through the bottom? Or do they just go up to a vent port? I am rebuilding a gutted 1973 Land Yacht which has 2 X 3/4" holes drilled through the lower plywood. One is for the tank drain. Is the other one for an overflow tube? Or just a drain line from the water heater or something else?

Thanks! Chris
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