----- Original Message -----
From: "nrk" <alucinante@web.de>
To: "Whitney Burgess & Tristan Kelley" <raven@tetontel.com>
Cc: <strawbale@crest.org>
Sent: Tuesday, May 14, 2002 1:43 PM
Subject: Re: SB: Venting cathedral ceiling/roof insulated with cellulose?
(snip)
> And as metal roofing is absolutely vapor impermeable, you DEFINITELY
> need to vent the space underneath it.
(snip)
Metal roofing does not fit airtight to a roof deck because it has ridges
which give it strength and allow air to flow underneath it.
Tim Chamberlain
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