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Old 02-25-2014, 07:58 AM   #1
Birdie Momma
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1957 26' Overlander
1956 22' Flying Cloud
Vintage Kin Owner
Rutherford Co. , North Carolina
Join Date: Dec 2009
Posts: 901
No Reflectix. No Fiberglass, either.

For our full monty, we are departing from standard here. We ordered an automotive insulation product called EZ Cool.

A student did a senior project and it required him to test a number of insulations and his very scientific looking results are here:

Additionally, As i further investigated Reflectix I found that it isn't actually an insulation, but a radiant barrier. reflectix on its own only provides an R value of 1. the insulating properties come from the air space between layers; with a manufacturer recommended minimum of 3/4". This is a really great article that probably warrants its own thread:

I am going to use one layer of this ezcool which reports R values of:

Down = 13
Horizontal = 9.6
Up = 8.1

Which ends up being cheaper than 2 layers of reflectix. I AM still going to put spacers behind it. also EZ cool offers a discount for rolls of 3+ and will do better on shipping if the actual cost is lower.

I couldn't find any thread of other AIRSTREAMers using ezcool, but it does seeom that other vintage moho folks use it. Anyone with experience with this insulation? Thoughts on product or install?

'57 Overlander | '56 Flying Cloud | '51 Spartanette
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Old 02-25-2014, 08:52 AM   #2
Figment of My Imagination
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2012 Interstate Coach
Metairie , Louisiana
Join Date: Dec 2011
Posts: 9,085
It's just polyethylene foam sandwiched between two layers of heavy aluminum foil, nothing special.

It's just a low-budget version of Prodex, using a single layer of low-density polyethylene foam for the core instead of Prodex's three-layer laminate of high- and low-density polyethylene foam.

I say "low-budget version" but I don't really have pricing data for comparison purposes. It may not be all that much cheaper, for all I know.

WBCCI #1105

Engineering: Finding complex solutions to simple problems you didn't even know you had.
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Old 02-25-2014, 11:37 AM   #3
Rivet Master
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1960 33' Custom
Saskatoon , Saskatchewan
Join Date: Jun 2005
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I got a quote and it's not low budget, gulp! I've asked for a sample to take a look at.
1960 Sovereign 33' Pacific Railroad Custom
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