Australian Timber Deck Span Tables

These span tables are only for use in conjunction with taranakipinetm timber products.

Australian timber deck span tables.

Decking boards shall be seasoned to the requirements of the applicable australian standard i e. 3 where rafters are equal to or exceed four times their breath blocking should be used to reduce distortion. Decking shall comply with as 4785 timber softwood sawn milled products. Tq recommends a maximum mc of 15 for residential decking.

Deck joists f7 42mm 31 deck bearers f7 32 deck bearers gl8 32. Timber finger joints in structural. 1 refer to general notes for information that is relevant for all span tables. Table 2 timber posts 1 supporting roof and or floor loads.

Span tables f7 rafters a maximum roof pitch of 25 degrees is assumed. These span tables have been developed in good faith with the assistance of mr peter falvey b e m i e aust c p eng r p e q 579 in accordance with the relevant australian standards however please check for state and local government variations. Wind classification 1 n2. For simple construction such as domestic construction this can be determined from span table supplements in as1684 2 and as1684 3.

With the relevant australian standard for structural exterior products listed below. Technical diagram on page 35. Stress grades and timber sizes combine to determine the spanning ability of load carrying members. Hardwood 10 to 18 softwood 10 to 15.