Methods of test for masonry units - Part 21: Determination of water absorption of clay and calcium silicate masonry units by cold water absorption; German version EN 772-21:2011— 7 стр.
Methods of test for mortar for masonry - Part 11: Determination of flexural and compressive strength of hardened mortar; German version EN 1015-11:1999+A1:2006— 15 стр.
Methods of test for masonry units - Part 18: Determination of freeze-thaw resistance of calcium silicate masonry units; German version EN 772-18:2011— 9 стр.
Application of building products in structures - Part 403: Rules for the application of aggregate concrete masonry units according to DIN EN 771-3:2005-05— 23 стр.