DURALOK

Scaffolding and scaffolding components of metal; modular scaffolding of metal; metal lattice girders and stair towers of metal in the nature of scaffolding towers of metal, namely, steel or aluminum; mobile scaffolding of metal; metal pipes and tubes for use as scaffold structures, namely, prefabricated tubular horizontal, diagonal and vertical beam elements made of steel or aluminum; ladders of metal to give access to the scaffold structure