Roofing Australian Standards Timber Span Tables

1 refer to general notes for information that is relevant for all span tables.

Roofing australian standards timber span tables.

3 for design parameters refer to figure 6 22 as1684 2 and 3. Spacing should be interpreted as the centre to centre distance between adjacent parallel members. Construction details should be in accordance with as1684 2. Standards australia is committed to maintaining a contemporary and relevant catalogue of australian standards which add to the net benefit of the australian community.

Technical diagram span tables f7 rafters 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 1250 1150 1050 1000 950 90 x 30 1650 1550 1550 1400. A maximum roof pitch of 25 degrees is assumed. Table assumes a maximum flooring mass of 40kg. The aged standards review is one of the ways in which standards australia gives effect to that commitment.

R cb150 16 beam span table used w 3600 width of frame rafter span χ 6410 fascia beam span the cb150 16 beam achieves the 6000mm span for the fascia beam and can be used for the rafters. Member tables for seasoned timber stress grade f17. Member span is not suitable for rafter spacing greater than 600mm. Required size for a given span.

Lintel span sheet roofing tiled roofing roof load width rlw mm 1500 2100 4500 7500 1500 2100 4500 7500 maximum span of lintel mm 90 x 35 600 2000 1800 1400 1200.