Wood Framing Beam Spans

How to read floor beam span tables page includes a span calculator.

Wood framing beam spans.

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. Anything 5 and above we always at least double cripple. Size selection tables headers beams.

According to the 2012 irc codes any beam joist or header shall never have a bearing of less than 1 1 2. Beam span maximums are based on a maximum anticipated live load. The span of a beam is dependent on a few variables. Wood framing tables can contain a lot of information in one table.

Beams of more than one ply must be fastened together with either nails or bolts. Wood header beam span calculator posted on april 8 2020 by sandra versa lam lvl beams headers boise single ply beam solution professional 4101 8 6 01 wall construction wood i beam span chart trinity rosboro big beam df high strength. Allowable load tables 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. Learning how to design with them becomes straight forward with a few pointers.

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. Learn how with this residential structural design tutorial.