This table is simply a sample and may not be valid for your region.
Wood beam span table canada.
There are several beam span tables for all the species of wood.
Dimensional lumber deck beam span chart.
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.
Floor joist span tables for various sizes and species of wood.
The national building code references the span book as follows.
Tables a 1 to a 16 cover only the most com mon.
A double 2x12 beam can span 12 feet.
The canadian wood council s beam calculator has been developed for the purpose of information only.
Use the span tables below to determine allowable lengths of joists and rafters based on size and standard design loads.
Sample floor beam span table.
A 2 2x10 can span 10 feet and so on.
The span book is a supplement to the wood joist rafter and beam spans found in the national building code of canada.
The numbers in gray indicate the distance between the support posts.
The full table shows more lumber sizes.
You can also use the wood beam calculator from the american wood council website to determine maximum rafter and joist lengths.
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 in the span book and the national building code were both generated by the canadian wood council.