We have used Marutek molybdenum self tapping screws successfully for the
past fifteen years in the Bahamas on metal truss roofs. On the East Coat,
Manasquan Fasteners is our go-to fastener company.
Daryl DeJoy
On Mon, Oct 30, 2023, 10:46 AM Jason Szumlanski via RE-wrenches <
re-wrenches@lists.re-
I agree that you can get impressive pull-out resistance from fasteners in
plywood decking only. Two brands that publish pull-out values are
OMG/Drill-Tec and Blazer. The #15 OMG screws are what we lean toward.
John Mansville also has a "High Load Fastener," but I think it's just a
rebranded OMG. I
Hi James,
I haven't had an application exactly as you describe with a tile roof /
plywood deck over metal trusses. However, we have installed systems with
metal roof support structures many times. Metal self-drilling screws have
impressive pullouts, so you might be able to use them with any sort o
Mahalo for your response Sam. That makes me feel a little better.
James B. Rudolph
Independent Energy
C-39784 ES #10816
NABCEP Certified PV Installer since 2009 #091209-155
C. 808.313.9701
On Thu, Oct 26, 2023 at 6:08 AM Sam Haraldson
wrote:
> James,
>
> I can think of one in
James,
I can think of one install I performed in 2017 that was a metal roof over
metal purlins and we opted to through-bolt the entire array using one
installer on a ladder inside and another on the roof. We employed butyl
mastic and large fender washers to attach a strut frame to the roof, and
t
Aloha Wrenches,
I have a good for the group. Does anyone know a lag/fastener other than
EJOT that could be used to install PV to a home with metal trusses? To
complicate things the roof is tile and the decking is 1/2" ply.
We do have access to the attic, but in only half the house because of the
c
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