Wood Beam Span Table Canada

There are several beam span tables for all the species of wood.

Wood beam span table canada.

The full table shows more lumber sizes. 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. Floor joist span tables for various sizes and species of wood. A double 2x12 beam can span 12 feet.

The national building code references the span book as follows. The span book is a supplement to the wood joist rafter and beam spans found in the national building code of canada. 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.

You can also use the wood beam calculator from the american wood council website to determine maximum rafter and joist lengths. This table is simply a sample and may not be valid for your region. Tables in the span book and the national building code were both generated by the canadian wood council. Sample floor beam span table.

It also shows the maximum that the beam can span. Use the span tables below to determine allowable lengths of joists and rafters based on size and standard design loads. Dimensional lumber deck beam span chart. The canadian wood council s beam calculator has been developed for the purpose of information only.

This span table excerpt shows two possible sizes of built up floor beams 2 x 10 and 2 x 12.