Joist Roof Definition

A large beam in the ceiling of a room carrying joists is a summer beam.

Joist roof definition.

Joist ed joist ing joists to construct with joists. A long thick piece of wood metal or concrete used in buildings to support a floor or ceiling. The term binding joist is sometimes used to describe beams at floor level running perpendicular to the ridge of a gable roof and joined to the intermediate posts. Since the weight of a roof is fairly static it is easy to design for but engineers do need to think about issues like the accumulation of snow in cold climates layers of roofing materials added over the lifetime of the structure and changes in roofing materials when they determine.

Joist definition is any of the small timbers or metal beams ranged parallel from wall to wall in a structure to support a floor or ceiling. Joists which land on a binding joist are called bridging joists. The even distribution of weight across a roof joist network is intended to prevent the roof from collapsing.