BS EN 771-2:2011 Specification for masonry units. Calcium silicate masonry units
Provides information on characteristics and performance requirements of calcium silicate masonry units intended for inner walls, outer walls, cellars, foundations and external chimney masonry.
Supersedes BS EN 771-2:2003. This standard is a hEN. This document is a harmonized European Standard and takes into account the requirements of EC mandate M116 for masonry products.
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