The full table shows more lumber sizes.
Wood beam span table canada.
It also shows the maximum that the beam can span.
The canadian wood council s beam calculator has been developed for the purpose of information only.
This table is simply a sample and may not be valid for your region.
The numbers in gray indicate the distance between the support posts.
The span book is a supplement to the wood joist rafter and beam spans found in the national building code of canada.
Tables a 1 to a 16 cover only the most com mon.
Tables in the span book and the national building code were both generated by the canadian wood council.
Use the span tables below to determine allowable lengths of joists and rafters based on size and standard design loads.
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.
There are several beam span tables for all the species of wood.
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.
A 2 2x10 can span 10 feet and so on.
Floor joist span tables for various sizes and species of wood.
Dimensional lumber deck beam span chart.
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.
The national building code references the span book as follows.
This span table excerpt shows two possible sizes of built up floor beams 2 x 10 and 2 x 12.