Anyone have experience mounting a tilt up array over a tar and gravel roof? Weatherproofing, best practices for finding rafters, type of standoffs etc. The residential roof in question has over 3" of tar (!) so im thinking 6" stanchion to tilt legs. Any ideas or lessons learned would be helpful.
Thanks, Eric Thomas Solar Epiphany Seattle NABCEP Certified PV WA Electrical Contractor SOLAREL911NR
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