Precast normal/lightweight/autoclaved aerated concrete products:
Intended for structural use (in particular prestressed hollow core floor elements, posts and masts(1), foundation piles, shuttering slabs, lattice girder elements, beam/block floor units and elements, ribbed floor slabs, linear structural elements (beams and columns), load-bearing wall elements, retaining wall elements, roof elements, silos(2), stairs, bridge deck elements and large box culverts).
Excluding lighting columns on highways.
Excluding the storage of liquids.