ribbon

A horizontal board let into the face of studding, to support on its upper edge the floor joists, in balloon-frame construction; also called a ledger board. Photo from Greensboro, North Carolina, 2018. (Saylor, 1952)

A horizontal board let into the face of studding, to support on its upper edge the floor joists, in balloon-frame construction; also called a ledger board. Photo from Greensboro, North Carolina, 2018. (Saylor, 1952)