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The 2016 edition of AS 5113 is amended as follows.

Specifies the assumptions to be used in calculating the system and total R-values of building constructions, which include IR reflective or IR non-reflective airspaces, for the purposes of designing building components to be used in thermal insulation systems.

Specifies the characteristics, methods of control and test, and acceptance for fibre-cement flat sheets; covers sheets intended for external applications such as cladding facades, curtain walls, soffits, lost casing, and the like, and sheets intended for internal use such as partitions, floors, ceilings, and the like, with a wide range of properties appropriate to the type of application.

Sets out the procedures for the assessment and classification of external walls of buildings according to their tendency to spread fire via the building façade.

Sets out to classify membranes based on elastic properties, which can then be used to give guidance on the type of detailing for a specific membrane referred to in AS 3740.

Specifies procedures for the design and installation of plastic roof and wall cladding materials for walls and roofs.

The 2015 edition of AS 4773.1 is amended as follows in the document.

Sets out requirements for the classification of a site and the design and construction of a footing system for a single dwelling house, town house or the like which may be detached or separated by a party wall or common wall but not situated vertically above or below another dwelling.

Sets out requirements covering minor modifications to existing sprinkler systems of light or ordinary hazard classification, such as the removal, alteration or addition of sprinklers, or the modification or addition of ranges and distribution pipes of limited size.

Provides manufacturers of roof tiles with design specifications and performance requirements for non-metallic interlocking roof tiles for use in domestic, commercial or light industrial applications.