This document shall cover, regardless if manufactured in factories or in temporary plants on site under the same conditions, prefabricated reinforced components of autoclaved aerated concrete with a dry density between 250 and 1000 kg/m3 to be used in building construction as:— solid, hollow core and multilayer wall elements intended to be used as structural elements;— solid, hollow core and multilayer wall elements intended to be used as non-structural elements and if relevant for applications in contact with soil and ground water;— retaining walls intended to be used as structural elements and if relevant for applications in contact with soil and ground water;— solid, hollow core and multilayer roof elements intended to be used as structural elements;— solid, hollow core and multilayer floor elements intended to be used as structural elements;— solid, hollow core beams intended to be used as structural elements;— solid piers intended to be used as structural elements an