Roof Joist Detail

End bearing with rim board.

Roof joist detail.

I joists are used extensively in residential floor and roof framing. End bearing in hanger on a top plate. These joists easily handle spans that wood systems cannot handle while their lightweight construction makes them much less costly than steel beams. Description the use of k series joists in the framing of floors and roofs offers huge advantages when compared to wood truss and steel beam systems.

Trus joist floor framing made simple. The roof deck material is usually chipboard or plywood. Follow new articles new articles and comments. These joists are typically used in roof structures.

End bearing in hanger supported by a beam. Because i joists are straight and true it s easier for builders to avoid crowning and maintain a level framing surface. Lh and dlh series joists are for longer span conditions and are capable of supporting larger loads. Intermediate bearing with blocking panels.

They are ideal for long spans including continuous spans over intermediate supports. End bearing with rim joist. Kcs joists are a version of the k series joists but designed for a constant shear and moment which allows for greater flexibility for locating extra loads such as those from rooftop units. The firring strips allow the roof to have the slope required to enable water run off to the rain water outlets.

Tji joists floor framing details components.