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Daryl,<br>
<br>
AEE has a <a
href="http://www.alt-energy.com/PDFs/SnapNrack-Tech-Bulletin-CRB_7-23-09.pdf">corrugated
roof block</a> that works pretty well. Penetrations are through the
ridges, where leaks are less likely, and they can be sealed with Butyl
tape. One draw back, same with the EJOT, is that the metal ridges will
rarely line up with support structure below. You'll need to install
extra bracing underneath for almost every bracket. If working over an
insulated attic, you won't be able to install very far down from the
ridge.<br>
<br>
Kent Osterberg<br>
Blue Mountain Solar<br>
<br>
<br>
<a class="moz-txt-link-abbreviated" href="mailto:penobscotsolar@midmaine.com">penobscotsolar@midmaine.com</a> wrote:
<blockquote
cite="mid:11890.66.231.218.46.1302211697.squirrel@webmail.midmaine.com"
type="cite">
<pre wrap="">Does anyone have experience mounting arrays on barns with 24" wide
galvanized roofing (not standing seam)? It is flat, not corrugated, but
has an overlapping edge on either side. It's pretty much a standard on
barn roofs around here, but I hesitate to penetrate any metal roof. How
have others dealt with this type of material?
Thanks for any information,
Daryl
Daryl DeJoy
NABCEP Certified PV installer
Penobscot Solar Design
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