Branching pipes, not of metal; Ducts, not of metal, for ventilating and air-conditioning installations; Non-metal air conditioning ducts; Non-metal ducts; Non-metal roof vents for heating, cooling and ventilation in residential and commercial buildings; Non-metal vent cover for HVAC ducts; Non-metal ventilating ducts; Outdoor blinds, not of metal or of textile; Rigid pipes of polypropylene for the supply of drinking water and heating and air conditioning systems in houses, office buildings an...

Asphalt; Bitumen; Bricks; Cement; Fireclay; Granite; Gravel; Lumber; Slate; Artificial stone; Balustrades, not of metal; Building glass; Building stone; Cement slabs; Door frames, not of metal; Duckboards, not of metal; Fireproof cement coatings; Flagpoles being structures, not of metal; Floor tiles, not of metal; Greenhouse frames, not of metal; Gypsum for use as building materials; Lime building materials; Mosaic art tiles made of marble; Mosaics made of natural stone and stone tile; Non-me...