This Technical Design Guide provides assistance in the design and construction of houses to provide adequate performanceduring wind events close to the design wind speed.This Guide covers design and construction of tie-down and bracing systems for houses that use timber trusses or timber-framed roofs. It can be used for timber-framed walls or masonry walls and is suitable for cyclonic and non-cyclonic areas.It includes:- houses with stick-built timber-framed roofs, or timber roof trusses- houses with timber-framed walls, or masonry walls- houses in non-cyclonic areas (Wind Regions A and B) or cyclonic areas (Wind Regions C and D).This Guide only applies to Class 1 and Class 10a buildings within the size limits in AS 1684 and AS 4055 (see Section 2.3.1). The Guide does not include Class 2, 3 or 4 dwellings, which can be designed using the Standards indicated in Section3.5.1. It provides guidance on compliance with AS 4055, AS 1684.2 or AS 1684.3, which are all primary referenced documents in the National Construction Code. AS 1684.4 is not addressed in this Guide.