Roof Joist Detail

These joists easily handle spans that wood systems cannot handle while their lightweight construction makes them much less costly than steel beams.

Roof joist detail.

End bearing in hanger supported by i joist s 44kb. The roof deck material is usually chipboard or plywood. 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. End bearing with rim joist.

End bearing with rim board. These joists are typically used in roof structures. Intermediate bearing with blocking panels. Because i joists are straight and true it s easier for builders to avoid crowning and maintain a level framing surface.

Depending on the roof build up a roof deck is then fixed to the joists over firring strips to provide the fall of the roof. Trus joist floor framing made simple. They are ideal for long spans including continuous spans over intermediate supports. End bearing in hanger on a top plate.

Lh and dlh series joists are for longer span conditions and are capable of supporting larger loads. 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. Follow new articles new articles and comments. I joists are used extensively in residential floor and roof framing.

Tji joists floor framing details components.