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.

Roof joist connection detail.

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. Depending on loads and spans c joists are typically spaced at 12 16 19 2 or 24 on center spacing. Metal framing connectors make the best connections.

The tables below contain downloadable standard design detail drawings for typical unistrut ceiling grid applications. Connection for roof rafters framed at angles. Joist hangers can hang rafters from a ledger but for sloping rafters notch them or use special rafter hangers. Individual connections and connections within full scale roof systems were tested to quantify potential system effects.

However other materials may be used in conjunction with the concrete masonry. 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. Maximum 6 inches 152 mm between brace ceiling. Hand driven and pneumatic fasteners were included in the test program.

Performance of conventional roof systems and components including ceiling joist to rafter connections and roof framing to wall connections. Structural track usually in the same gauge as the. R1 roof framing r2 joist and rafter detail r3 roof framing isometric view r4 heel joint connection detail r5 ridge member connection detail r6 ridge member with coped rafters r7 roof eave and soffit detail r8 rafter and joist bridging. Nl8 non load bearing wall parallel to joist roofs rafters joists.

A few currently available roof systems use concrete masonry while some rely on precast concrete joists or steel bar joists. Pocket connection a pocket connection consists of framing the floor or roof system into a void in the masonry wall. Drawings below are generic details to show design intent only. American forest paper association wood construction data 1.

The first approach to achieving a strong durable struc. If rafters will sit on top of a ledger attach them with seismic anchors as you would attach rafters to a beam. Steel bar joist roof ledger connection. 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.

The ceiling joists restrain the exterior walls from being.