This Standard specifies a method of determining the steady state water vapour permeability of autoclaved aerated concrete masonry units at the upper and lower part of the hygroscopic range. The test method is limited to products from which disc shaped specimens of uniform thickness can be made
DS/EN 772-15:2002 history
2002DS/EN 772-15:2002 Methods of test for masonry units - Part 15: Determination of water vapour permeability of autoclaved aerated concrete masonry units