Wood Beam Span Tables Ontario

Spans for joists rafters and beams 1 except as required in sentence 2 and article 9 23 13 10 the spans for wood joists and rafters shall conform to the spans shown in tables a 1 to a 7 for the uniform live loads shown in the tables.

Wood beam span tables ontario.

Size selection tables headers beams. The span book is a supplement to the wood joist rafter and beam spans found in the national building code of canada. 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. Dimensional lumber deck beam span chart.

The national building code references the span book as follows. Also available for the android os. There are several beam span tables for all the species of wood. Tables a 1 to a 16 cover only the most com mon.

The numbers in gray indicate the distance between the support posts. It also shows the maximum that the beam can span. A double 2x12 beam can span 12 feet. December 15 2018 by arfan leave a comment.

Use the span tables below to determine allowable lengths of joists and rafters based on size and standard design loads. This table is simply a sample and may not be valid for your region. 2 spans for floor joists that are not selected from tables a 1 and a 2 and that. 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.

The full table shows more lumber sizes. Floor joist span tables for various sizes and species of wood. Tables in the span book and the national building code were both generated by the canadian wood council. A 2 2x10 can span 10 feet and so on.

Wood i beam joists cantilevers in the 2016 code professional deck builder wood i beam joists floor joist span chart leasord co floor beam span tables calculator. You can also use the wood beam calculator from the american wood council website to determine maximum rafter and joist lengths. This span table excerpt shows two possible sizes of built up floor beams 2 x 10 and 2 x 12. Ontario building code wood beam span tables.

The ontario building code spans for joists rafters and beams 9 23 4 2. Headers beams. Span calculator for wood joists and rafters also available for the android os.