AS 1684.2 N4 Supp 6-2010/Amdt 1-2012 Residential timber-framed construction-Non-cyclonic areas - N4 Supplement 6: Timber framing span tables - Wind classification N4 - Seasoned softwood - Stress Grade MGP 15 (Supplement to AS 1684.2-2010)

Amendment by Standards Australia, 01/01/2010