Historical
BS EN 772-11:2000
Methods of test for masonry units. Determination of water absorption of aggregate concrete, manufactured stone and natural stone masonry units due to capillary action and the initial rate of water absorption of clay masonry units (British Standard)
This European Standard specifies a method of determining the water absorption coefficient due to capillary action of aggregate concrete, natural stone and manufactured stone masonry units and the initial rate of water absorption for clay masonry units.
British Standards Institution [bsi]