Wood Beam Spans Calculator

A 2 2x10 can span 10 feet and so on.

Wood beam spans calculator.

Use the span tables below to determine allowable lengths of joists and rafters based on size and standard design loads. Beams of more than one ply must be fastened together with either nails or bolts. Learning how to design with them becomes straight forward with a few pointers. Anything 5 and above we always at least double cripple.

Aitc capacity tables provide the uniformly distributed load that a glued laminated timber beam can support based on beam size span and material properties. Rafter and ceiling joist forces. Simple beam point load at midspan. A double 2x12 beam can span 12 feet.

Another simple column calculator. Combined axial and bending load calculator. Selects the lightest sawn lumber beams after entering values for span spacing species grade deflection criteria and design criteria i e design for bending shear deflection lateral support or any combination thereof. Dimensional lumber deck beam span chart.

On longer spans the beam may require much more bearing space as indicated by this table. Steel i beam. Aitc beam capacity tables. Numbers in blue are joist spans beam to beam or house to beam.

How to read floor beam span tables page includes a span calculator. Window door garage door headers supporting roof loads only. These tables are provided as a guideline. Beam span calculator for help simply click on the beside the section you need help with watch this tutorial video.

The numbers in gray indicate the distance between the support posts. Also available for the android os. Lumber species southern pine douglas fir douglas fir larch hemlock fir spruce pine fir redwood western cedar ponderosa pine red pine. Window door garage door headers supporting roof wall floor loads.

You can also use the wood beam calculator from the american wood council website to determine maximum rafter and joist lengths. Learn how with this residential structural design tutorial. Simple beam point load at any location. Two point loads at one third points on a simple beam.

According to the 2012 irc codes any beam joist or header shall never have a bearing of less than 1 1 2. Selects the lightest laterally supported w shape steel floor beam after entering values for span spacing yield. Span calculator for wood joists and rafters also available for the android os. 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.