BS EN 772-9:1998 Methods of test for masonry units - Determination of volume and percentage of voids and net volume of clay and calcium silicate masonry units by sand filling
This European Standard specifies a method of determining the volume and percentage of voids and net volume of calcium silicate masonry units containing cells, frogs and holes.
BS EN 772-9:1998 Referenced Document
EN 771-1 Specification for masonry units - Part 1: Clay masonry units*, 2015-08-01 Update
EN 771-2 Specification for masonry units - Part 2: Calcium silicate masonry units*, 2015-08-01 Update
EN 771-3 Specification for masonry units - Part 3: Aggregate concrete masonry units (Dense and lightweight aggregates)*, 2015-08-01 Update
EN 771-4 Specification for masonry units - Part 4: Autoclaved aerated concrete masonry units*, 2015-08-01 Update
EN 771-5 Specification for masonry units - Part 5: Manufactured stone masonry units*, 2015-08-01 Update
BS EN 772-9:1998 history
0000 BS EN 772-9:1998(2005)
1998BS EN 772-9:1998 Methods of test for masonry units - Determination of volume and percentage of voids and net volume of clay and calcium silicate masonry units by sand filling