PETRIT

Building and construction materials and elements of metal, namely, metal slag and metal residual material for use as part of building and construction materials and elements, metal floor, wall and ceiling panels, composite panels composed primarily of metal material, fabricated metal components for building foundations

Insulation and barrier articles and materials, namely, insulation boards and sheets, soundproofing barriers and soundproofing panels; rock wool

Building and construction materials and elements, not of metal, namely, road construction materials with a base of slag, building blocks of compounds with a base of slag, prefabricated building elements with a base of slag, crash barriers for roads, portable non-metal traffic barriers; slag stone and arc furnace slag, blast furnace slag and slag-lime cement for use in construction material and elements; lime building material