Roof Framing With Wood I Joists

Combines laminated veneer lumber lvl or finger jointed sawn wood flanges with a web of oriented strand board osb to produce an i shaped structural member.

Roof framing with wood i joists.

9030 floor framing standards guide. I joists in floor and roof applications. Instead a wood i joist roof system is framed with either a central bearing wall or a structural ridge a beam that carries the roof load to posts. I joists are used extensively in residential floor and roof framing.

The load from the top half of the roof is carried by the bear. Bci joists are specially constructed i joists with flanges made from strong versa lam laminated veneer lumber with oriented stranded board webs and approved waterproof structural adhesives providing outstanding strength and durability. In addition to floor and roof framing details this guide includes recommendations for cantilevers and placement of web holes. A framer s guide to the installation process.

Lp solidstart i joists feature an advanced design and tough build for superior performance. Engineered wood products ewp span and size charts for bci joists. The load from the top half of the roof is carried by the bearing wall or structural ridge. Instead a wood i joist roof system is framed with either a central bearing wall or a structural ridge a beam that carries the roof load to posts.

Floor joist span use this table to determine the maximum lengths of floor joists based on species of lumber joist spacing and joist size. Because i joists are straight and true it s easier for builders to avoid crowning and maintain a level framing surface. Usp994 131 usp connector guide for trus joist. Roof rafter span use this table to determine the maximum lengths of roof rafters based on species and grade of lumber spacing dimensions load and slope.

They are ideal for long spans including continuous spans over intermediate supports. Both materials work together to resist deflection bending stresses and shear. Also available for the android os. Good installation begins with specification of the correct joist for the application.

Span calculator for wood joists and rafters also available for the android os. Tj 9001 installation guide for floor and roof framing with tji 110 210 230 360 and 560 joists. Many performance rated i joists include in their trademarks allowable. Tj 9510 installation guide for floor and roof framing with tji s31 s33 and s47 joists east canada.