Wood Beam Spans Calculator

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.

Wood beam spans calculator.

Selects the lightest laterally supported w shape steel floor beam after entering values for span spacing yield. Rafter and ceiling joist forces. According to the 2012 irc codes any beam joist or header shall never have a bearing of less than 1 1 2. Simple beam point load at any location.

Window door garage door headers supporting roof wall floor loads. Simple beam point load at midspan. On longer spans the beam may require much more bearing space as indicated by this table. Steel i beam.

Table specifications are provided with each table indicating conditions and assumptions used to calculate the loads. Uniformly loaded beam overhanging post calculator. Aitc beam capacity tables. The numbers in gray indicate the distance between the support posts.

Aitc capacity tables provide the uniformly distributed load that a glued laminated timber beam can support based on beam size span and material properties. Dimensional lumber deck beam span chart. Also available for the android os. Two point loads at one third points on a simple beam.

A double 2x12 beam can span 12 feet. 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. You can also use the wood beam calculator from the american wood council website to determine maximum rafter and joist lengths. Another simple column calculator.

Combined axial and bending load 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. Beam span calculator for help simply click on the beside the section you need help with watch this tutorial video.

Wood framing tables can contain a lot of information in one table. Window door garage door headers supporting roof loads only. Lumber species southern pine douglas fir douglas fir larch hemlock fir spruce pine fir redwood western cedar ponderosa pine red pine. A 2 2x10 can span 10 feet and so on.

Anything 5 and above we always at least double cripple. Learn how with this residential structural design tutorial. Learning how to design with them becomes straight forward with a few pointers. Numbers in blue are joist spans beam to beam or house to beam.