Wood Beam Spans Calculator

Simple beam point load at midspan.

Wood beam spans calculator.

Learn how with this residential structural design tutorial. Window door garage door headers supporting roof wall floor loads. 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.

Lumber species southern pine douglas fir douglas fir larch hemlock fir spruce pine fir redwood western cedar ponderosa pine red pine. Beam span calculator for help simply click on the beside the section you need help with watch this tutorial video. A double 2x12 beam can span 12 feet. On longer spans the beam may require much more bearing space as indicated by this table.

Numbers in blue are joist spans beam to beam or house to beam. You can also use the wood beam calculator from the american wood council website to determine maximum rafter and joist lengths. Steel i beam. A 2 2x10 can span 10 feet and so on.

Simple beam point load at any location. 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. How to read floor beam span tables page includes a span calculator. Learning how to design with them becomes straight forward with a few pointers.

Selects the lightest laterally supported w shape steel floor beam after entering values for span spacing yield. Dimensional lumber deck beam span chart. The numbers in gray indicate the distance between the support posts. Anything 5 and above we always at least double cripple.

Use the span tables below to determine allowable lengths of joists and rafters based on size and standard design loads. 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. Beams of more than one ply must be fastened together with either nails or bolts. These tables are provided as a guideline.

Table specifications are provided with each table indicating conditions and assumptions used to calculate the loads. Aitc beam capacity tables. Uniformly loaded beam overhanging post calculator. Window door garage door headers supporting roof loads only.

Also available for the android os. According to the 2012 irc codes any beam joist or header shall never have a bearing of less than 1 1 2. Span calculator for wood joists and rafters also available for the android os. Combined axial and bending load calculator.