What is the best way to mount the panels to a composition shingle roof?
Common sense tells me they can't be fastened directly to the roof, so is
there a minimum amount of clearance that needs to be allowed, or any other considerations I need to address?
Common sense tells me they can't be fastened directly to the roof, so is
there a minimum amount of clearance that needs to be allowed, or any other considerations I need to address?
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