What is the best way to insulate the exterior of a post and beam timber frame HOME with rigid insulation?
...Shiplap pine sheathing over the Girts. Looking at emplacing 4" R20 Rigid XPS Panels seam taped. Those would be strapped to the wall with 7 1/2" screws into the Girts. Board and Batten siding would be placed on top (min 1" to 2" air gap behind the Board and Batten). Barn will be heated by radiant floor heat. Will this...