I Joist Span Tables Roof

Span calculator for wood joists and rafters also available for the android os.

I joist span tables roof. Roof span and load tables 12 13 framing connectors 14 15 section 2. Roof span table 16 17 roof span notes and cut length calculation 17 roof framing 18 roof details 19 20 roof load tables 21 framing connectors 22 23 table of contents welcome to ilevel ilevel is an exciting new brand and business within weyerhaeuser. Notches are not to exceed 0 125 of the depth of the joist and are to be located between 0 07 and 0 25 of the span from the support. 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.

High pitch 6 12 to 12 12 16 17 load bearing cantilever tables 18 21. Rafter spans can be extended slightly beyond what the rafter tables suggest when there is a cantelever extending beyond the supporting wall. Timber to be covered these span tables do not apply to timber which is fully exposed to the elements. For the bird s mouth roof joist bearing detail.

Our floor joist span tables are based on loadings given in the newer amended version of bs 6399 1. These span tables apply only to flat roof and roof with a slope of up to 10 degrees. Ceiling joist span use this table to determine the maximum lengths of ceiling joists based on species of lumber joist spacing and joist size. Flat roof joists rafters purlin span tables for domestic floor joists to bs 5268 7 1 note.

This means that some values are slightly more conservative than span tables from other sources if those do not include the amended guidance. Design properties 16 floor span and load tables 17 allowable holes 18 roof span and load tables 19 cantilevers 20 21 framing connectors 22 23 section 3. Also available for the android os. Engineered wood products ewp span and size charts for bci joists.

Ilevel brings the most innovative and trusted products for residential construction together. Apa performance rated i joists pris are manufactured in accordance with pri 400 performance standard for apa ews i joists form x720 this performance standard provides an easy to use table of allowable spans for applications in residential floor construction allowing designers and builders to select and use i joists from various member manufacturers using just one set of span.