19
Building materials (non-metallic); non-metallic rigid pipes for building; asphalt, pitch and bitumen; non-metallic transportable buildings; monuments, not of metal.
non-metal building materials, namely, pvc decking membrane, non-metal shingles; roofing membranes; geotextiles, namely, liners, fabrics and sheeting for use in civil engineering, nurseries, greenhouses, landscaping, road construction, and waterway construction
22
Ropes, string, nets, tents, awnings, tarpaulins, sails, sacks and bags (not included in other classes); padding and stuffing materials (except of rubber or plastics); raw fibrous textile materials
containment liners in the form of plastic sheeting used for environmental protection purposes in the nature of potable water membranes, food grade membranes, primary containment liners, secondary containment liners, pond liners, aqua grade liners, standard containment liners, canal liners, and signal liners, namely, fitted and unfitted tarps, for covering or lining pools, ponds, canals, sewage lagoons, tanks, landfill sites, mine tailing ponds, and pvc containment pipe systems