AS 1684.2 N4 Supp 1-2010
AS 1684.2 N4 Supp 1-2010
Residential timber-framed construction - Non-cyclonic areas - N4 Supplement 1: Timber framing span tables - Wind classification N4 - Seasoned softwood - Stress Grade F5 (Supplement to AS 1684.2-2010)
standard by Standards Australia, 01/01/2010