Batten roofs [RE-wrenches]

[Max Balchowsky]

The caddy clamps we used were coated and the battens were filled with wood,
but you need to do the homework to see what you're working with. Caddy was
very helpful.... 


Max Balchowsky
SEE Systems
100 S. Sunrise wy # 285
Palm Springs, Ca. 92262
760-403-6810
 
"Creating a Better Future For The Next Generation"

-----Original Message-----
From: Steve Fain [mailto:sfain at unirac.com] 
Sent: Wednesday, February 28, 2007 8:01 AM
To: RE-wrenches at topica.com
Subject: RE: Batten roofs [RE-wrenches]


Hi Andrew,
	If those battens have any open space inside, crimping something
(like an S-5! clamp) onto them would cause distortion, probably pulling the
copper roof strips on either side of the batten together.  To my knowledge
the S-5! folks don't make a clamp that can accommodate 2" standing seams,
and I haven't heard of anything that will.  At any rate, you'd need to use
brass  between the copper and the racks or module frames----aluminum in
direct contact with copper would melt away in no time from galvanic
corrosion.  Custom brass clamps for 2" standing seams might end up costing
around $60 to $80 each if UniRac made them.  You'd use at least 25 or 30
clamps---more if you're in a higher wind area.  I'll bet those welded
flashings are looking better to you now!

Steve Fain
Customer Service/ Tech Support
UniRac, Inc.
1411 Broadway Blvd. NE
Albuquerque, NM   87102-1545
Ph:  505-242-6411 ext. 21
Fx:  505-242-6412
Email:  sfain at unirac.com
Web:   http://www.unirac.com
 
 
-----Original Message-----
From: Andrew Truitt [mailto:atruitt at gmail.com]
Sent: Tuesday, February 27, 2007 8:14 PM
To: RE-wrenches at topica.com
Subject: Batten roofs [RE-wrenches]

Does anyone know of a non-invasive method for mounting L-feet to a copper
batten roof?  The battens are 2" x 2", 22" o.c. and sit on 3/4"
ply with 2" x 4", 24" o.c. framing.  Our roofer will only warranty roof
penetrations if he can use 6" welded flashings which would cost a lot (10 kW
system) and would raise the profile more than we would like.  We are
basically looking for the equivalent of S-5! clips for 2" wide standing
seams.

Thanks in advance for any help because I am stumped!

--
Andrew Truitt
System Designer/Lead Installer
Standard Solar Inc.
15200 Shady Grove Rd. Ste. 202
Rockville, MD 20850
Office: (301) 296 - 4373
Cell: (415) 290 - 8240
Fax: (301) 296 - 4548
andrewtruitt at standardsolar.com


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