Wood Beam Span Table Canada

Dimensional lumber deck beam span chart.

Wood beam span table canada.

The national building code references the span book as follows. 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. You can also use the wood beam calculator from the american wood council website to determine maximum rafter and joist lengths. There are several beam span tables for all the species of wood.

The numbers in gray indicate the distance between the support posts. This table is simply a sample and may not be valid for your region. The span book is a supplement to the wood joist rafter and beam spans found in the national building code of canada. Use the span tables below to determine allowable lengths of joists and rafters based on size and standard design loads.

Floor joist span tables for various sizes and species of wood. A 2 2x10 can span 10 feet and so on. Tables a 1 to a 16 cover only the most com mon. 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 span table excerpt shows two possible sizes of built up floor beams 2 x 10 and 2 x 12. The full table shows more lumber sizes. Sample floor beam span table.

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.