A joist which supports a floor and in the case of upper floors, also supports the ceiling to the room below.
A joist used to support flooring placed over it.
A wood or steel beam which directly supports a floor.
joist that supports a floor
One of a series of parallel framing members used to support floor loads and supported in turn by larger beams, girders, bearing walls or foundation.
One of a series of framing members which rests on outer foundation walls and interior girders.
Horizontal boards laid on edge resting on the beams or walls that provide the main support for the floor. The subflooring is nailed directly to the joists.
horizontal support piece for floor.