Class 019
Non-Metallic Building Material Products
Materials, not of metal, for building and construction; rigid pipes, not of metal, for building; asphalt, pitch, tar and bitumen; transportable buildings, not of metal; monuments, not of metal; non-metal ventilating ducts; ducting installations [non-electric, non-metallic]; non-metal ventilating ducts; ducts, not of metal, for ventilating and air-conditioning installations; parts and fittings for the aforementioned goods.