NBN EN 1520:2003

This European Standard is for prefabricated reinforced components of lightweight aggregate concrete with open structure intended to be used in building constructions: a) for structural elements: - loadbearing wall components (solid, hollow core and multilayer); - retaining wall components (solid) with or without surcharge loading; - roof components (solid, hollow core and multilayer); - floor components (solid, hollow core and multilayer); - linear components (beams and piers).