Insulation/Double wall construction - Fiberglass RV

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Old 05-01-2008, 09:27 AM   #1
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Ami P's Avatar
Trailer: U-Haul VT16 1985
Posts: 110
Anyone knows which "egg" has double wall construction and the best insulation thus most suitable for winter use. I plan to use my future rig at ski resorts overnight.

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Old 05-01-2008, 09:48 AM   #2
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Check with the folks at Oliver. They use a spray on ceramic insulation between the shells. But if you ask, they will also add Thinsulate plus the spray on ceramic. I don't think you'll find anything better -- of course there will be added cost.

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Old 05-01-2008, 09:53 AM   #3
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Name: Donna D
Trailer: Escape 5.0 TA, 2014
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We talked about this very thing in this topic, click here:
Which eggs have double wall construction?

Donna D.
Ten Forward - 2014 Escape 5.0 TA
Double Yolk - 1988 16' Scamp Deluxe
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Old 05-01-2008, 12:08 PM   #4
Louise B's Avatar
Trailer: 2008 Escape
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Anyone knows which "egg" has double wall construction and the best insulation thus most suitable for winter use. I plan to use my future rig at ski resorts overnight.
The Canadians know double wall insulation better than anyone. We just sold our 2000 Northern Lite with great double wall, virtually no condensation. The other Canadian with double wall is Big Foot. The only problem with Oliver is they are rather overpriced. (my personal opinion)
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Old 05-03-2008, 06:32 PM   #5
Trailer: 2008 Casita 17 ft Spirit Deluxe / 1997 Toyota 4Runner LTD (Draw-Tite WDH
Posts: 64
Hi, Ami,

Our experience --- 3 months winter-camping in a wide variety of ski resorts in British Columbia, California, Utah, Colorado, and New Mexico --- suggests that you may not need a double-walled trailer in order to stay overnight at ski resorts without freezing your pipes or building up too much interior condensation.

This past March, when we spent a week in our Casita (17' SD model) at Whistler in British Columbia, temperatures fell well below freezing each night and stayed that way until noon most days. We prepared for this by:

- wrapping a water pipe heater hose around the 10-foot potable water hose that connected us to city water and insulating it with pipe foam insulation, to prevent the city water from freezing in the hose
- running a 1500 Watt ceramic heater 24 hours a day (if we had not had shore power, we could have run the propane furnace) to keep the interior of the trailer warm
- keeping the center roof vent, covered with a MaxxiVent, open at all times to vent any moisture-laden air
- keeping the bathroom vent and bathroom door open to help interior air-flow and venting
- being meticulous about running the Fantastic Fan and the stove vent fan whenever we were using the propane cooktop or the electric coffeemaker, to vent moisture
- NOT cooking things, like pasta, that involve boiling a lot of water
- keeping all of the upper and lower cabinet doors open during our absence on the ski hill
- NOT using the trailer shower

We were found no condensation buildup on the trailer windows and completely dry walls.

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