Span Table For 2x12 Floor Joist

You can also use the wood beam calculator from.
Span table for 2x12 floor joist. As an amazon associate i earn from qualifying purchases. Maximum floor joist span for no. Use the span tables below to determine allowable lengths of joists and rafters based on size and standard design loads. Beam and joist span tables built up wood floor beams supporting one floor in a house maximum spans for uniformly distributed loads species and grade supported built up beam size 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.
Span ft 1 5 2 0 2 5 3 0 3 5 2 30 22 18 15 13 4 59 44 36 30 25 6 89 67 53 44 38 8 119 89 71 59 51 10 148 111. While most residential construction uses 2x8 joists with 16 inch spacing there. View joist rafter tables. Live load is weight of furniture wind snow and more.
True floor joist span calculations can only be made by a structural engineer or contractor. Article may contain affiliate links. Thu sep 13 2018. Those tables are intended for interior floors not decks.
Span calculator for wood joists and rafters also available for the android os. Floor joist size span and spacing table. He goes to the 40 lb. When building a house or even a deck it is important to confirm you have the correct joist sizes spans and spacing before you get started.
And that s just what many deck builders designers and inspectors have probably done for years. Decks get wet and may be framed with incised treated lumber so. 1 ft 0 3048 m. 1 psf lb f ft 2 47 88 n m 2.
2 grade of douglas fir are indicated below. Live load floor joist span tables in chapter 7 of the state residential code based on the 2012 international residential code. This sample table gives minimum floor joist sizes for joists spaced at 16 inches and 24 inches on center o c for 2 grade lumber with 10 pounds per square foot of dead load and 40 pounds of live load which is typical of normal residential construction. 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.
Simplified span tables for southern pine lumber and glued laminated timber glulam headers beams and girders. Simplified maximum span tables for selected visual and mechanical grades of southern pine lumber in sizes 2 4 thru 2 12. Floor joist span tables for various sizes and species of wood. Span tables use these tables to determine rafter span ceiling joist span and floor joist span.
Listed are 46 tables based on common loading conditions for floor joists ceiling joists and rafters.