Timber Roof Batten Span Tables

Span tables f7 rafters a maximum roof pitch of 25 degrees is assumed.

Timber roof batten span tables.

Timber queensland limited technical data sheet 19 pergolas and carports revised march 2014 page 3 pergola or carport beams tables 2l and 2h list the sizes and spans for pergola or carport beams in low wind speed and higher wind speed areas. Spacing should be interpreted as the centre to centre distance between adjacent parallel members. Table 2l pergola or carport beams wind classifications n1 n2 n3 and c1 member size roof load width. Timber battens for tile roofs must meet the requirements of as 1684 2 as 1684 3 or as 1720 1.

Construction details should be in accordance with as1684 2. Required size for a given span. Technical diagram on page 35 30mm m aximum allow able sp ans mm sheet roof spacing mm rafter size 600 760 900 1000 1200 66 x 30 850 750 700 700 600 90 x 30 1200 1050. We supply 38 x 38mm or 28 x 38mm non structural timber battens for tile roofs.

Roof load width rlw and floor load width flw can be determined from as1684 or from the images below. The high performance values of steel roof battens means they are an increasingly popular choice for reroofing or for new builds using tile roofs. Stress grades and timber sizes combine to determine the spanning ability of load carrying members. Table assumes a maximum flooring mass of 40kg.

For simple construction such as domestic construction this can be determined from span table supplements in as1684 2 and as1684 3. Span tables allow users to choose an appropriate size and stress grade to achieve spanning needs.