Treated Pine Floor Joist Span Tables

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Treated pine floor joist span tables. Of visually graded southern pine dimension lumber maximum spans in feet inches. For example in the joist span table below the highlighted cell shows that 2 x 8 southern yellow pine joists that have a grade of 2 and are spaced 24 apart can have a maximum span of 10 feet 3 inches 10 3 if designing for a live load of 40 lbs ft 2. 2 for design parameters refer to figure 7 26. For southern pine.

Pergola rafter spans for 600 mm and 900 mm spacing. Span tables allow users to choose an appropriate size and stress grade to achieve spanning needs. Simplified maximum span tables for selected visual and mechanical grades of southern pine lumber in sizes 2 4 thru 2 12. Effective june 1 2013.

View joist rafter tables. Wind classification n1 n2. Light rafters no ceiling light verandah beams. But you ll notice when you look at the portion of the span table for joists with cantilevers that the joist span for decks with a cantilever is often less than the span for the same sized joist without cantilevers.

Joist sizes can be found in the span tables 50 in as1684. Structural treated pine for outdoor above ground use. Span calculator for wood joists and rafters also available for the android os. For simple construction such as domestic construction this can be determined from span table supplements in as1684 2 and as1684 3.

Span tables f7 rafters a maximum roof pitch of 25 degrees is assumed. Table 1 floor joists 30 psf live load 10 psf dead load 360 deflection. Technical diagram on page 35 30mm m aximum allow able sp ans mm sheet roof spacing mm rafter size 600 760 900 1000 1200 66 x 30 850 750 700 700 600 90 x 30 1200 1050 1000 900 850 138 x 30 1700 1550 1400 1300 1200 185 x 30 2000 1750 1600 1550 1400 230 x 30 2000 1800. These tables can also be used to determine deck joist span.

Also available for the android os. 1 refer to general notes for information that is relevant for all span tables. Joists of 35 mm or 38 mm width are only suitable where proprietary deck fi xings are used which a fi xed to the side of joists. Treated pine span tables.

Placing a layer of 110 mm malthoid dampcourse or proprietary protecti on system on top of the joists will increase the service life of the joist refer figure 2. Stress grades and timber sizes combine to determine the spanning ability of load carrying members.