Treated Pine Floor Joist Span Tables Australia

Wind classification n1 n2.

Treated pine floor joist span tables australia. Table 4 floor joists 450 mm spacing maximum floor joist span mm member size single span continuous mm unseasoned 100 x 50 1400 1700 cypress f5 125 x 50 2200 2200 150 x 50 2600 2600 175 x 50 3000 3000 200 x 50 3500 3500 seasonedseasoned 90 x 45 1300 1700 treated pine 120 x 45 2200 2200 f7f7 140 x 45 2600 2600 190 x 45 3600 3600 240 x 45. Listed are 46 tables based on common loading conditions for floor joists ceiling joists and rafters. Stress grades and timber sizes combine to determine the spanning ability of load carrying members. Internal floor joist spans for 450 mm and 600 mm joist spacing single span joist spacing 450 mm joist spacing 600 mm.

2 for design parameters refer to figure 7 26. Treated pine span tables. Table 6 floor joists continued 140 joist spacing mm 450 600 maximum joist span and cantilever mm span cantilever span cantilever continuous spans continued 85 x 40 1900 400 1700 375 90 x 35 1900 400 1700 375 90 x 45 2100 450 1900 400 120 x 35 2600 550 2400 500 120 x 45 2900 600 2600 550 joist size depth x breadth mm note. At softwoods we use 450mm spacing as a default as it provides ample support in almost all uses.

The joist span table below is for joists with a continuous span on a deck below 1metre in height. Span tables f7 rafters 30mm 11 f7 rafters 42mm 14 verandah beams f7 42mm sheet roof 17 verandah beams f7 42mm tile roof 20 verandah beams gl8 sheet roof 21 verandah beams gl8 tile roof 24 ridge beams f7 42mm sheet roof 25 ridge beams f7 42mm tile roof 28 internal floor joists f7 42mm 30. Tables such as those for rafters. The following table provides an easy comparison of popular seasoned softwood grades and sizes for joists in residential domestic internal floor applications.

1 refer to general notes for information that is relevant for all span tables. For guidance on treatment requirements please consult carter holt harvey s brochure use. Floor joists 6 lintels 8 rafters 12 ceiling joists 15 hanging beams member16 underpurlins 17. For simple construction such as domestic construction this can be determined from span table supplements in as1684 2 and as1684 3.

Pergola rafter spans for 600 mm and 900 mm spacing. Simplified maximum span tables for selected visual and mechanical grades of southern pine lumber in sizes 2 4 thru 2 12. To determine the correct joist required we need to establish the spacing of our joists. Readily available preservative treated against borers and termites.