AS/NZS 4455.1:2008 (R2020) PDF Download

AS/NZS 4455.1:2008 (R2020) is a standard that specifies the requirements for masonry units used in walling construction, following the guidelines of AS 3700 and NZS 4230. The standard covers a range of masonry unit materials, including autoclaved aerated concrete, calcium silicate (sand-lime), concrete (dense or lightweight), dimension stone (cut or dressed), and fired clay (with or without shale).

It is important to note that while this standard covers most characteristics of dimension stone, it does not fully address the wide variety of characteristics associated with dimension stone. Additionally, this standard does not include requirements for masonry units other than verifying their nominated characteristic values.

The standard excludes tiles or similar materials that are intended to be rigidly fixed or suspended. It also provides guidance in the form of appendices, including means for demonstrating compliance (Appendix B), determination of characteristic values (Appendix C), content of a purchasing agreement (Appendix D), and optional testing (Appendix E). It should be noted that while the standard does not illustrate non-rectilinear shapes for walling units, it may still be used, although not all test methods mentioned in the standard may be applicable to such shapes.