This Kenyan Standard specifies the characteristics and performance requirements of aggregate concrete masonry units made from lightweight aggregates for which the main intended uses are common, facing or exposed masonry in load bearing or non-load bearing building and civil engineering applications. The units are suitable for all forms of walling, including single leaf, external leaf to chimneys, cavity wall, partitions, retaining, and basement. They can provide fire protection, thermal insulation, sound insulation and sound absorption.
Pebbles, gravel, broken or crushed stone, for concrete aggregates, for road metalling or for railway or other ballast, shingle and flint, whether or not heat-treated (HS code(s): 251710); Masonry (ICS code(s): 91.080.30)