Wood Beam Load Tables

Table specifications are provided with each table indicating conditions and assumptions used to calculate the loads.

Wood beam load tables.

Fewer posts on upper level decks are typically more desirable to the occupants and this drives the use of larger framing materials for longer spans. Beam span maximums are based on a maximum anticipated live load. Beams of more than one ply must be fastened together with either nails or bolts. These easy to use tables were compiled by the southern forest products association sfpa as a service to design build professionals and other.

These tables are provided as a guideline. View size selection tables. Aitc beam capacity tables aitc capacity tables provide the uniformly distributed load that a glued laminated timber beam can support based on beam size span and material properties. Anything 5 and above we always at least double cripple.

The span of a beam is dependent on a few variables. On longer spans the beam may require much more bearing space as indicated by this table. The species of lumber size of lumber and the load it carries. Tables providing size selections for various beam spans and loading combinations for southern pine dimension lumber and southern pine glued laminated timber are available for the following applications.

Joist and rafter span tables. View allowable load tables. You can also use the wood beam calculator from the american wood council website to determine maximum rafter and joist lengths. Window door garage door headers supporting roof loads only window door garage door headers supporting roof wall floor loads.