Hi Wrenches,
There was a strategy mentioned for slate roofs recently. Removing
the slate under the array area and replacing with decking and
shingles would certainly work. That might be the best solution.
There are two potential problems however.
* It would cost a fair amount to replace that portion of the roof
* My slate roof guy estimates that the existing rock is good for
another hundred years with a little maintenance. The slate is an
incredible roofing material, and it would be a shame to scrap it.
One strategy that might work would be to take a diamond hole saw and
cut circles of slate out, over the rafters, to screw standoffs
directly to the rafters. Then an Oatey flashing could go over the standoff.
Any feedback as to the viability of this method would be appreciated.
Thanks,
Drake Chamberlin
Athens Electric
OH License 44810
CO License 3773
NABCEP TM Certified PV Installer
Office - 740-448-7328
Mobile - 740-856-9648
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