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Old 02-06-2004, 01:23 PM   #29
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1979 31' Sovereign
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Things look pretty much the same in Montana
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Old 02-06-2004, 02:48 PM   #30
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Looks like igloos abound! We only have about 2-3 inches right now...and melting!

Shari
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Old 02-06-2004, 04:23 PM   #31
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Re: Eelpout

Quote:
Originally posted by markdoane
I think I will paint the top of my Tradewind with white paint.

IF I EVER SEE IT AGAIN!
Your cheating. I know the frame of your coach is just out of the picture to the left! LOL.

No albino brain chiggers here.
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Old 02-06-2004, 04:31 PM   #32
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Ok after all ove thee cold miserable pictures what does folks think of spray in foam? I was hoping to avoid pulling the rest of the inner skin but it's starting to look like the best thing to do to replace the rest of the wiring.

That foam is closed cell so not only would I get some added R value It would form a seal AND ad a little rgitity to the structure.


What negetives am I missing?
Most that I can come up with would be 20 years away inless I am wrong about it preventing any leaks.
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Old 02-06-2004, 05:13 PM   #33
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Re: Re: Eelpout

Quote:
Originally posted by 59toaster


Your cheating. I know the frame of your coach is just out of the picture to the left! LOL.

No albino brain chiggers here.
59Toaster:

Look again. Can't you see the tongue jack sticking up through the snow on the right?
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Old 02-06-2004, 05:21 PM   #34
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59,
Sprayed in foam; Now there is an interesting idea. I use to formulate various urethane adhesives and coatings, and if I had an opportunity, I would make the standard commercial insulating foam a bit more flexible, wash off forming oil (cocoanut oil) off the aluminum, give it a quick prime with isocyanate, (to make the foam stick like grim death) spray the 2 component foam, and after cure would shave off the excess then install the interior skin.
It can be done.
Dick
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Old 02-07-2004, 08:21 AM   #35
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Spray foam insulation

Go for it, it works great. Even with the temps we have been having (0-mid teens) it warms up very quickly. Airstream construction is great for longevity, but 2 aluminum skins connected by aluminum ribs are not thermally efficient. The foam expands and fills all the voids, that helps a lot. I put foam tape on the ribs before installing the inner skins for a thermal break.

I didn't use anything to prime the skin and probably wouldn't. It sticks pretty well as it is, but can be removed. I got some cheap serrarated knives at the dollar store, cut the openings for electric boxes, etc. The 'plug' pops out fairly easily, then I filled around it with the spray can foam to seal behind and gaps. You don't have to be very accurate on the initial hole location and size. Actually oversize is better as it expands so much.

Small body openings (tail lights, antenna, etc.) I covered with masking tape from the inside, sprayed and cut the opening from the outside when I did the trimming. It makes nice clean holes and is real easy.

John
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Old 02-07-2004, 11:08 AM   #36
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Talking Markdoane Cheating?

Toaster,

This is another view a few miles west. Markdoane may not have his shell on the frame but I doubt it would have made much difference.
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Old 02-07-2004, 11:20 AM   #37
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Airstream's experience with the sprayed foam on the interior of the shell was not good.

Because of the movement of the shell, the foam slowly ground itself to powder.

It also did not work very well in the entrance door.

They also used it on the bottom of some floors, within the underbelly. Performance was not too bad, but it also gave some problems.

Apparently, at least the material they used, was not designed to flex. When it did, over time, it failed.

Andy
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Old 02-07-2004, 04:40 PM   #38
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A few years ago over in western Montana, Memorial weekend, the usual late snow dumped 18" on us. Didn't get on the roof to measure what stayed, but it was plenty wet and deep. Had to turn up the heat slightly to stay comfy!!
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Old 02-07-2004, 06:01 PM   #39
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Polyurethane insulating foam can be made so flexible that it is used to make pillows.
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Old 02-08-2004, 03:31 PM   #40
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1993 21' Sovereign
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snow blower from...

You could always use one of these to clear the snow off the top of your unit, if you really, really wanted to... The infamous jet-powered snow blower...
Terry
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Old 07-24-2004, 12:48 PM   #41
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"There have never been any reports of any "snow pile up" damage to any Airstream trailer.

Keep in mind the the trailer is semi-monocouqe construction.

It by leaps and bounds will take more snow weight than any SOB."

Andy is right. I live in Lake Tahoe; and there is an AS that has been sitting for several years here and has seen many heavy and deep snows (2-4') with no apparant damage. My '86 Limited 34'er has had up to a foot on it with no damage. We often camp in temps below 0 (outside) and the insulation keeps the inside in the upper thirties to low 40's with a small catalytic heater on low. This is far better than our other trailer (fiberglass package). Ernie
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Old 07-24-2004, 04:39 PM   #42
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If 4" is 1000 lbs, then 3 feet would be about 9000 lbs! I have often seen 3+ feet of snow on the roof of my summer home in northern Wisconsin. I can't imagine that an extra 9000 lbs would be good for axles. Yet another reason to store the Airstream indoors.
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