BS EN 772-21:2011 Methods of test for masonry units. Determination of water absorption of clay and calcium silicate masonry units by cold water absorption
This European Standard specifies a method of determining the water absorption of clay and calcium silicate
masonry units by immersing them in cold water.
BS EN 772-21:2011 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
EN 771-6 Specification for masonry units - Part 6: Natural stone masonry units*, 2015-08-01 Update
BS EN 772-21:2011 history
2011BS EN 772-21:2011 Methods of test for masonry units. Determination of water absorption of clay and calcium silicate masonry units by cold water absorption