On the past I've had plan reviewers object to any hole or lag into rafters,
especially trusses, claiming  it voided warranty...any thoughts?
Ken Schaal


On Tue, Aug 4, 2020, 5:45 PM Jeremy Coxon <[email protected]>
wrote:

> We have tried all manner of gadgets over the years and haven’t found
> anything more accurate than a hammer and a tuned (experienced) ear.  Gentle
> taps (so as to not damage roof) are all that’s needed.  We also have a 12”
> piece of solid #10 copper in each tool belt for those tricky roofs where
> rafter spacing isn’t consistent or there are sistered rafters for long
> spans.  Insert the wire thru a test hole, bend into a U shape, then rotate
> to find exact location of rafter, mark with chalk, then go to town.
>
> Jeremy Coxon NABCEP
> Certified MWBE
>
> Sent from my iPhone
>
> > On Aug 4, 2020, at 5:34 PM, [email protected]
> wrote:
> >
> > Re: Flir One for Smart Phones (Jason Szumlanski)
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