Roof Joist Connection Detail

Los angeles residential code 8 roof ceiling construction r804 cold formed steel roof framing r804 3 roof construction r804 3 2 roof rafters r804 3 2 2 roof rafter support brace.

Roof joist connection detail.

Provide a lightweight low cost rigid floor assembly c joist components provide an economical lightweight alternative to open web trusses bar joists engineered lumber cast in place or hollow core floor assemblies. Minimum connection of brace to a roof rafter and ceiling joist with four no 10 screws at each end. If rafters will sit on top of a ledger attach them with seismic anchors as you would attach rafters to a beam. Hand driven and pneumatic fasteners were included in the test program.

The tables below contain downloadable standard design detail drawings for typical unistrut ceiling grid applications. The ceiling joists restrain the exterior walls from being. The first approach to achieving a strong durable struc. Pocket connection a pocket connection consists of framing the floor or roof system into a void in the masonry wall.

Maximum 6 inches 152 mm between brace ceiling. Structural track usually in the same gauge as the. However since there is some load transfer with these members the code requires a nominal 2 thickness and bracing to a load bearing partition at the upper end or to be designed as a beam with proper supports. A few currently available roof systems use concrete masonry while some rely on precast concrete joists or steel bar joists.

American forest paper association wood construction data 1. Individual connections and connections within full scale roof systems were tested to quantify potential system effects. The drawings will help you gain a better understanding of engineered ceiling grid design but they are not intended for construction purposes because. However other materials may be used in conjunction with the concrete masonry.

Nl8 non load bearing wall parallel to joist roofs rafters joists. Steel bar joist roof ledger connection. Details for conventional wood frame construction. Performance of conventional roof systems and components including ceiling joist to rafter connections and roof framing to wall connections.

This detail is used when masonry continues above either as part of the wall or as a parapet the connection location and eccentricity is to be minimized. Steel bar joist roof direct bearing connection. Metal framing connectors make the best connections. Drawings below are generic details to show design intent only.

Connection for roof rafters framed at angles.