I have decided to use oversized doors, 96" x 42" entry door and a 96" x 96" sliding glass door.
They will mounted in the 8" thick concrete walls, still in swing entry door, so it can only open 90* but at 42" wide entrance access will be Easy.
I won't need deep thresholds but will still need the high strength foam to bridge the gap at doors to prevent heat loss from the radiant slab.
Home Depot retails Owens Corning Foamular 150, so I hope that I can special order the 1000
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