Now have a good Draftsman & Structural Engineer on board.
Changed from vented roof to unvented, worried about possible fire in nearby trees.
Will have underside of roof sheathing SPF closed cell high density. Going for R50.
Got window bid on Anderson 100 series Fiberex Argon U=.25 & .26 a bit over 7K
Got attic truss bid about 7.5K
Main level walls will all be 8" concrete with 6" of polyiso on inside.
Going with 6" of type 2 EPS under slab.
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