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Old 09-08-2014, 12:03 PM   #1
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1965 26' Overlander
Edmonds , Washington
Join Date: Aug 2014
Posts: 25
Internal sealant/heat barrier

My wife and I are finishing up the demo side of what will be a complete overhaul on a 1965 Overlander. We're down to just the skin and the frame, which means it's time to start ordering everything we're going to need for putting this together. I know there are several sealants that can be used along the seams and any external access, but has anyone tried using something like Dicor's CoolCoat product or any other sealant/thermal barrier? https://dicorproducts.com/catalog/ro...ucts/coolcoat/

If there's a product out there that's more than just a sealant, I'd love to hear about it. Otherwise, we'll just go with one of the standard sealants and rely on the insulation alone.

Thanks!

We're also looking for replacement axles, if anyone has any suggestions on best places to look, I'd appreciate it. We're hoping to stay with the original torsion design, but use disc brakes, rather than drum.
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Old 09-08-2014, 12:53 PM   #2
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1981 31' Excella II
New Market , Alabama
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Yes you would use that on the outside to reflect heat. White is better at reflecting heat than aluminum.

Perry
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Old 09-08-2014, 01:47 PM   #3
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1965 26' Overlander
Edmonds , Washington
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If it's only going to work on the outside, we'll pass, then. I'd rather keep the aluminum exterior. Thanks!
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Old 09-08-2014, 04:47 PM   #4
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1994 30' Excella
Mississauga , Ontario
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check out the supertherm site. They have numerous products. I used supertherm on the exterior roof of my trailer and it made a big difference in heat loading. My roof was already white yet this made a big difference.
Al
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Old 09-08-2014, 04:49 PM   #5
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1994 30' Excella
Mississauga , Ontario
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if I had mine stripped the way you do I would use a sealer for all seams etc. and something for heat. I am sure that there is a ceramic type paint that will do what you want.
Al
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Old 09-08-2014, 05:07 PM   #6
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1951 21' Flying Cloud
1960 24' Tradewind
Folsom , California
Join Date: Dec 2003
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Not exactly answering your question here, but it's sort of related.

I searched for and found some "high tech" heat sink kind of tape that I wanted to put on the inside face of the ribs to impede heat transfer from the outside skin thru the ribs and onto the interior skin. It was very expensive - don't remember how much - but you could buy it by the the foot and it was going to be a lot of money.

Anyway, I ended up just tearing heavy duty duct tape length wise in 3 equal strips and then sticking it on the ribs - very "low tech" I know . . . and maybe not real effective. I will say that in direct sun you can't, or I couldn't touch the inside face of the bare aluminum ribs - it was like touching a red hot stove element . . . so I felt like I had to try something.

Good luck w/ your project.
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Old 09-08-2014, 06:21 PM   #7
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1971 25' Tradewind
1965 26' Overlander
Ferndale , Washington
Join Date: Mar 2011
Posts: 345
Hi Fullstop:
I'm just beginning removing the ply floor on my
65 Overlander and am interested in this thread.
Question: did you consider replacing the wheel
wells to the later plastic ones? If so was there
a reason you could or could not.
Question: Are you re-using the interior or going
custom?
Question: Are you putting in larger tanks?
Thanks
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Old 09-09-2014, 12:26 AM   #8
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1965 26' Overlander
Edmonds , Washington
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Thanks, BigAl. I'll check into the ceramic paints.
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