Jerry,
The only thing I feel compelled to add with your decision
would be dang sure to pre-drill AND I sure wouldn't be putting a 3/8"
lag into a TJI flange, maybe 1/4" Simpson lags? or tech screws?
Bill
Feather River Solar Electric
On 3/6/2018 3:57 PM, Jerry Caldwell wrote:
Bill,
Mineral bitumen roll roofing. 2:12 slope.
Everyone who gave input below, thanks for the suggestions.
I've decided to go with the Quick Mount Q-Base product. It allows you
to get 2 lag bolts into the top chord on either side of the OSB web.
Cheers,
Jerry Caldwell
On Sunday, March 4, 2018, 1:19:51 PM PST, Chris Worcester
<[email protected]> wrote:
We've done roof mount pv on tji's. Our engineer required 4x blocking
installed between the tji rafters that we lag bolted into. You're not
allowed to cut or drill/bolt into the top and bottom cords of the
tji's. We also packed out both sides of the tji plywood webbing prior
to installing the blocking. Our snow loads oftentimes are too high and
won't allow me to screw into the plywood roof deck only.
Chris Worcester
[email protected]
530-448-9692
on my Samsung Galaxy S7.
-------- Original message --------
From: Aaron Mandelkorn <[email protected]>
Date: 3/4/18 6:44 AM (GMT-08:00)
To: RE-wrenches <[email protected]>
Subject: Re: [RE-wrenches] TJI rafters
I have also used the sunmoto mounts with the multiple holes. They are
called the AL shoe I believe. It makes a great alternative to the DPW
ez foot which are very expensive and take forever to receive. We but
butal mastic tape on the back. Just like the ez foot.
Aaron Mandelkorn
President / Founder
Renewable Energy Outfitters
www.reosolar.com <http://www.reosolar.com>
Off Grid Depot
www.offgridnow.com <http://www.offgridnow.com>
970-596-3744
On Mar 3, 2018 5:54 PM, "August Goers" <[email protected]
<mailto:[email protected]>> wrote:
Hi All - We tie into TJIs commonly, if you Google "TJI solar"
you'll find manufacturer docs on how to properly lag in.
August
On Mar 2, 2018 1:24 PM, "Jerry Caldwell" <[email protected]
<mailto:[email protected]>> wrote:
Dear Wrenches,
I have a customer with a low slope roof supported by TJI
beams. Does anyone have experience permitting and installing
on TJIs? I'm curious if jurisdictions are requiring Structural
Engineer stamps.
Since the top chord of the beams is only 1 3/8" thick should
we be using shorter lag bolts for these installations? It also
seems that it would be undesirable to penetrate into the web
of the beam.
Any advice would be appreciated here.
Thank you,
Jerry Caldwell
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--
Feather River Solar Electric
Bill Battagin, Owner
4291 Nelson St.
Taylorsville, CA 95983
530.284.7849
CA Lic 874049
www.frenergy.net
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