I’m looking for a simple detail(s) on the best way to drop a floor. I’ve got 2×10 floor joists running perpendicular to the beam, and wish to drop the floor in the great room 6″. Herein lies the particulars: the beam will be a W8x21, which rounds off to be about 8 1/2″ deep. With a 2x plate on the beam and 2×10’s, 3/4″ pwd and 1″ hardwood I end up with 12 1/2″ sitting on top of the beam. My great room floor will drop 6″ which leaves me with 6 1/2″ to contend with. I don’t want to drop steel below my floor drop due to height ( the basement walls will be 7′-10″H.). I was thinking of a 1/4″ welded plate on the beam, but that still leaves me with the same problem. Has anyone used hangers on a situation like this? or is there a better way to construct?
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