This Technical Specification specifies a method for determining the freeze/thaw resistance of clay masonry
units that are declared by the manufacturer as meeting the requirements for HD units and as suitable to be
subjected to severe (F2) exposure.
BS DD CEN/TS 772-22:2006 Referenced Document
EN 771-1 Specification for masonry units - Part 1: Clay masonry units*, 2015-08-01 Update
BS DD CEN/TS 772-22:2006 history
2006BS DD CEN/TS 772-22:2006 Methods of test for masonry units - Determination of freeze/thaw resistance of clay masonry units