Australian Hardwood Timber Span Tables

You can also use the wood beam calculator from the american wood council website to determine maximum rafter and joist lengths.

Australian hardwood timber span tables. Hardwood 10 to 18 softwood 10 to 15. Table 2 timber posts 1 supporting roof and or floor loads. Table 1 timber posts supporting pergola or carport roof max. Timber finger joints in structural.

See table below to. 10 kg m 2 roof area supported m2 5 10 20 member size mm maximum post height mm unseasoned cypress f5 75 x 75 100 x 100. Technical diagram on page 35. Decking shall comply with as 4785 timber softwood sawn milled products.

Span tables f7 rafters a maximum roof pitch of 25 degrees is assumed. See design and installation requirements for sizes and span tables. Fwpa timber service life design guide. 1684 3 residential timber framed construction.

For simple construction such as domestic construction this can be determined from span table supplements in as1684 2 and as1684 3. Decking boards shall be seasoned to the requirements of the applicable australian standard i e. Weatherboards nilled from australian rainforest timber. Member tables for seasoned timber stress grade f17 seasoned hardwood f17 129.

Timber methods of test for mechanical fasteners and connectors basic working loads and characteristic. Thora timbers dressed hardwood span tables we hereby certify that the span tables prepared for thora wholesale timbers p l for dressed hardwood stress grades f14 and f17 have been prepared generally in accordance with the design criteria contained in as 1684 1 1999 residential timber framed. Methods for the determination of basic working loads for metal fasteners for timber. With the relevant australian standard for structural exterior products listed below.

Mouldings milled from australian rainforest timber. Span tables allow users to choose an appropriate size and stress grade to achieve spanning needs. Timber queensland limited technical data sheet 19 pergolas and carports revised march 2014 page 2 timber posts table 1 lists the sizes for timber posts. Span for the purpose of using these tables span may be interpreted as the clear distance between supports measured along the beam.

Tq recommends a maximum mc of 15 for residential decking. Table assumes a maximum flooring mass of 40kg m2. Stress grades and timber sizes combine to determine the spanning ability of load carrying members. Use the span tables below to determine allowable lengths of joists and rafters based on size and standard design loads.

Span tables technical guide. Single span beams are. Yspan offers an alternative to f17 hardwood beams in h.