finding those rafters... [RE-wrenches]

[Todd Cory, Mt. Shasta Energy Services]

Yes... hitting rafters ON CENTER is the predominate thing when mounting PV's on a
roof. Does anyone have any special tricks in locating them other than meticulously
measuring from the end of the roof? Stud finders are pretty useless on roofs.

Todd


Joel Davidson wrote:

> Hi Bill,
> I had nothing to do with any systems at PVUSA. SMUD probably decided to use the
> screws-into-plywood method because they liked it. Now that UniRac offers slotted
> rails so you can hit the rafters with sliding feet, lag bolts are a lot easier
> and stronger when they hit a nice solid rafter on center.
> Best regards,
> Joel Davidson

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