Wood Beam Load Tables

Beam span maximums are based on a maximum anticipated live load.

Wood beam load tables.

Simplified span tables for southern pine lumber and glued laminated timber glulam headers beams and girders. Span tables use the span tables below to determine allowable lengths of joists and rafters based on size and standard design loads. These easy to use tables were compiled by the southern forest products association sfpa as a service to design build professionals and other. Beams of more than one ply must be fastened together with either nails or bolts.

Window door garage door headers supporting roof loads only window door garage door headers supporting roof wall floor loads. 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. Anything 5 and above we always at least double cripple. The species of lumber size of lumber and the load it carries.

According to the 2012 irc codes any beam joist or header shall never have a bearing of less than 1 1 2. Joist and rafter span tables. These tables are provided as a guideline. View allowable 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. 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. Table specifications are provided with each table indicating conditions and assumptions used to calculate the loads. View size selection tables.