AS/NZS 4456.11:2003 pdf.Masonry units and segmental pavers and flags - Methods of test Part11:Determining coefficients of expansion. This Standard sets out the methods for determining the coefficients of expansion of masonry units, segmental payers and flags. The coefficients of expansion estimated by these tests represent the total 15 year expansion of either kiln-fresh or non-kiln-fresh fired clay units. Provision is...