"I am with Brad Cook here on all points. But will concentrate on the rubber grommeted screws on the roof. Deterioration is on an exponential curve, and, as the rubber grommets go, the roofing metal is less damped, and more vibration allows the holes…"
"Well, @David Butler, you have seen the property more accurately than I have, but my impression of elevations for flashing material under the windows of the copula makes a 4" lift to the existing roof deck problematical without structural issues…"
"So this building has a few issues with air leaks and air leaks have so much to do with discomfort in a home, and adding electrical power?
Is there any way to hack a separate secure space which you could seal and insulate and secure, and then…"
"John Hatfield has the right idea here for a new roof deck. Polyiso boards always need a good stout nailer on all roof edges. Whatever the final roof height here you have clobbered the elevations on the upraised roofline.
And any work on the…"
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