Australian Hardwood Timber Span Tables

Methods for the determination of basic working loads for metal fasteners for timber.

Australian hardwood timber span tables.

Span for the purpose of using these tables span may be interpreted as the clear distance between supports measured along the beam. Seasoned hardwood f17 table 1a bearers supporting single storey loadbearing walls maximum floor load width 1800mm. Mouldings milled from australian rainforest timber. Yspan offers an alternative to f17 hardwood beams in h.

With the relevant australian standard for structural exterior products listed below. You can also use the wood beam calculator from the american wood council website to determine maximum rafter and joist lengths. Member tables for seasoned timber stress grade f17 seasoned hardwood f17 129. Intended use boral f27 seasoned hardwood is suitable for use in buildings in internal applications and for some species in external above ground weather exposed applications.

Fwpa timber service life design guide. Decking shall comply with as 4785 timber softwood sawn milled products. 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 tables technical guide.

Decking boards shall be seasoned to the requirements of the applicable australian standard i e. Span tables allow users to choose an appropriate size and stress grade to achieve spanning needs. 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. Table 1 timber posts supporting pergola or carport roof max.

Use the span tables below to determine allowable lengths of joists and rafters based on size and standard design loads. For simple construction such as domestic construction this can be determined from span table supplements in as1684 2 and as1684 3. Stress grades and timber sizes combine to determine the spanning ability of load carrying members. 1684 3 residential timber framed construction.

See design and installation requirements for sizes and span tables. Joists crippled over supports shall be considered as single span joists. Technical diagram on page 35. Weatherboards nilled from australian rainforest timber.

Single span beams are. 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. Tq recommends a maximum mc of 15 for residential decking. Timber finger joints in structural.

Table assumes a maximum flooring mass of 40kg m2. Hardwood 10 to 18 softwood 10 to 15. Span tables f7 rafters a maximum roof pitch of 25 degrees is assumed.