2x10 Floor Joist Span Ontario

The ontario building code spans for joists rafters and beams.

2x10 floor joist span ontario. Floor joist span tables for various sizes and species of wood. Span calculator for wood joists and rafters also available for the android os. 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. Size your deck beams and headers with our easy to use span table which allows you to cross reference the post spacing and joist length to determine the right deck beam size.

2 grade of douglas fir are indicated below. Maximum floor joist span no. 2 grade of douglas fir and maximum span floor joists imperial units. 1 2 2x8 2x10 2x12.

In typical deck construction with a ledger on one side of the joist and beam on the other the size of the joists is driven by the size of the deck and based on the general maximum spans mentioned above. Joist length 3 2x8 4 2x8 3 2x10 4 2x10 3 2x12 4 2x12 8 9 8 11 2 11 10 13 8 13 8 15 10 10 8 8 10 0 10 7 12 2 12 3 14 2 douglas fir 1 2 12 7 11 9 1 9 8 11 2 11 2 12 11 14 7 4 8 5 8 11 10 4 10 4 11 11. Douglas fir 2 by 10 joists graded as structural select allows joist spans up to 21 feet for a live load of 30 pounds per square foot when spaced 12 inches apart 19 feet 1 inch for 16 inch spacing and 16 feet 8 inches for 24 inch spacing. For example where head room is an issue they can choose smaller joists and space them closer together with a shorter span.

Dead load weight of structure and fixed loads 10 lbs ft 2. The illustrations one for cantilever joists and one for flush rim beam hung joists point out where joist span measurements are taken from the saddle of the ledger mounted joist hanger to the center of a dropped beam or saddle of the hanger on a flush beam. Floor joists living quarters span tables hem fir no. 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.