Construction materials, not of metal, namely, material for road construction and maintenance, namely, [sheets, blocks,] slabs, floors, roofing, [siding, sandwich panels, profiles, multilayer panels and partition walls;] material for reinforcement and insulation of flooring, roofs, ceilings, namely, sheets, [blocks,] slabs, floors, roofing [, siding, sandwich panels, profiles, multilayer panels and partition walls; rigid pipes not of metal]