Wood Beam Spans Calculator

Numbers in blue are joist spans beam to beam or house to beam.

Wood beam spans calculator.

The numbers in gray indicate the distance between the support posts. Learn how with this residential structural design tutorial. These tables are provided as a guideline. A 2 2x10 can span 10 feet and so on.

Simple beam point load at midspan. Window door garage door headers supporting roof loads only. Window door garage door headers supporting roof wall floor loads. Steel i beam.

A double 2x12 beam can span 12 feet. According to the 2012 irc codes any beam joist or header shall never have a bearing of less than 1 1 2. Anything 5 and above we always at least double cripple. Another simple column calculator.

Aitc capacity tables provide the uniformly distributed load that a glued laminated timber beam can support based on beam size span and material properties. You can also use the wood beam calculator from the american wood council website to determine maximum rafter and joist lengths. Beams of more than one ply must be fastened together with either nails or bolts. How to read floor beam span tables page includes a span calculator.

Simple beam point load at any location. Combined axial and bending load calculator. Two point loads at one third points on a simple beam. Also available for the android os.

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. Use the span tables below to determine allowable lengths of joists and rafters based on size and standard design loads. Span calculator for wood joists and rafters also available for the android os. Learning how to design with them becomes straight forward with a few pointers.

Table specifications are provided with each table indicating conditions and assumptions used to calculate the loads. Beam span calculator for help simply click on the beside the section you need help with watch this tutorial video. Lumber species southern pine douglas fir douglas fir larch hemlock fir spruce pine fir redwood western cedar ponderosa pine red pine. 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.

Aitc beam capacity tables. On longer spans the beam may require much more bearing space as indicated by this table. Selects the lightest laterally supported w shape steel floor beam after entering values for span spacing yield. Dimensional lumber deck beam span chart.