You can also use the wood beam calculator from the american wood council website to determine maximum rafter and joist lengths.
Wood beam spans calculator.
Another simple column calculator.
On longer spans the beam may require much more bearing space as indicated by this table.
Window door garage door headers supporting roof loads only.
The numbers in gray indicate the distance between the support posts.
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.
Selects the lightest laterally supported w shape steel floor beam after entering values for span spacing yield.
Dimensional lumber deck beam span chart.
These tables are provided as a guideline.
Aitc capacity tables provide the uniformly distributed load that a glued laminated timber beam can support based on beam size span and material properties.
Span calculator for wood joists and rafters also available for the android os.
Use the span tables below to determine allowable lengths of joists and rafters based on size and standard design loads.
Two point loads at one third points on a simple beam.
Aitc beam capacity tables.
Table specifications are provided with each table indicating conditions and assumptions used to calculate the loads.
Simple beam point load at midspan.
Wood framing tables can contain a lot of information in one table.
Combined axial and bending load calculator.
Simple beam point load at any location.
Learning how to design with them becomes straight forward with a few pointers.
Uniformly loaded beam overhanging post calculator.
Also available for the android os.
A double 2x12 beam can span 12 feet.
Window door garage door headers supporting roof wall floor loads.
A 2 2x10 can span 10 feet and so on.
Learn how with this residential structural design tutorial.
Beams of more than one ply must be fastened together with either nails or bolts.
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.
Steel i beam.
How to read floor beam span tables page includes a span calculator.
According to the 2012 irc codes any beam joist or header shall never have a bearing of less than 1 1 2.
Beam span calculator for help simply click on the beside the section you need help with watch this tutorial video.
