Engineered wood products ewp span and size charts for bci joists.
Timber floor joist span tables.
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.
The calculated spans assume fully supported members properly sheathed and nailed on the top edge of the joist or rafter.
These tables can also be used to determine deck joist span.
You can also use the wood beam calculator from the american wood council website to determine maximum rafter and joist lengths.
Simplified maximum span tables for selected visual and mechanical grades of southern pine lumber in sizes 2 4 thru 2 12.
Span tables use the span tables below to determine allowable lengths of joists and rafters based on size and standard design loads.
Listed are 46 tables based on common loading conditions for floor joists ceiling joists and rafters.
View joist rafter tables.
Joist and rafter span tables.