A horizontal structural member in a building, used to support the floor or ceiling.
From the old french word "giste" meaning "a beam".
- The joists were spaced 16 inches apart in the floor framing.
- He had to crawl through the crawl space to access the joists.
- The joists were made of wood, but some newer construction uses steel joists.
- The joists were notched to fit around the plumbing pipes.
- The joist hangers were used to secure the joists to the ledger board.