It also shows the maximum that the beam can span.
Wood beam span tables canada.
Although all possible efforts have been made to ensure that the information from this tool is accurate the cwc cannot guarantee the completeness accuracy or exactness of the information.
Tables a 1 to a 16 cover only the most com mon.
This table is simply a sample and may not be valid for your region.
Joist span table use these tables to determine floor joist spans based on grade of lumber size of joist floor joist spacing and a live load of 30 lbs ft 2 or 40 lbs ft 2 these tables can also be used to determine deck joist span.
Span calculator for wood joists and rafters also available for the android os.
Also available for the android os.
Size selection tables headers beams.
A 2 2x10 can span 10 feet and so on.
The full table shows more lumber sizes.
A double 2x12 beam can span 12 feet.
Sample floor beam span table.
Floor joist span tables for various sizes and species of wood.
The canadian wood council s beam calculator has been developed for the purpose of information only.
According to the 2012 irc codes any beam joist or header shall never have a bearing of less than 1 1 2.
This span table excerpt shows two possible sizes of built up floor beams 2 x 10 and 2 x 12.
The numbers in gray indicate the distance between the support posts.
Anything 5 and above we always at least double cripple.
There are several beam span tables for all the species of wood.
You can also use the wood beam calculator from the american wood council website to determine maximum rafter and joist lengths.
Dimensional lumber deck beam span chart.
Headers beams.
The national building code references the span book as follows.
When supporting joists that span 12 feet with no overhang beyond the beam a double ply beam can span in feet a value equal to its depth in inches.
On longer spans the beam may require much more bearing space as indicated by this table.
Tables in the span book and the national building code were both generated by the canadian wood council.
Beams of more than one ply must be fastened together with either nails or bolts.
Allowable load tables 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.