[Greenbuilding] apples, oranges, and u values

[John Straube]

Why not get fiberglass triples? $35 to 40 per sf for residential size and quantity?  PVC is not that stiff or durable and moves a lot. Not horrible but FG is better. Thermotech Inline Accurate Dorwin etc. 
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-----Original Message-----
From: Alan Abrams <alan at abramsdesignbuild.com>
Sender: greenbuilding-bounces at lists.bioenergylists.org
Date: Thu, 12 Apr 2012 13:06:40 
To: Green Building<greenbuilding at lists.bioenergylists.org>
Reply-To: Green Building <greenbuilding at lists.bioenergylists.org>
Subject: Re: [Greenbuilding] apples, oranges, and u values

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