Australian Timber Deck Span Tables

3 where rafters are equal to or exceed four times their breath blocking should be used to reduce distortion. Technical diagram on page 35. Table 2 timber posts 1 supporting roof and or floor loads.

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Tq recommends a maximum mc of 15 for residential decking.

Australian timber deck span tables.

Stress grades and timber sizes combine to determine the spanning ability of load carrying members. 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. Deck bearer and joist span tables australia masuzi june 20 2018 uncategorized leave a comment 38 views how to build a timber deck page 2 how to build a timber deck page 2 low level deck bunnings work residential timber decks.

1 refer to general notes for information that is relevant for all span tables. Decking shall comply with as 4785 timber softwood sawn milled products. Decking boards shall be seasoned to the requirements of the applicable australian standard i e. These span tables are only for use in conjunction with taranakipinetm timber products.

With the relevant australian standard for structural exterior products listed below. 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. Timber finger joints in structural. Wind classification 1 n2.

Deck joists f7 42mm 31 deck bearers f7 32 deck bearers gl8 32. Hardwood 10 to 18 softwood 10 to 15. Span tables allow users to choose an appropriate size and stress grade to achieve spanning needs. 2 for design parameters refer to figure 7 26.