Plastic water conduits for roofs and balconies; Non-metal, rigid filtering tubes used to prevent storm water runoff pollutants from entering sewer systems; Non-metal brackets for gutters; Rain gutters, not of metal; Non-metal catch basins for attachment to sewer pipes to trap debris; Non-metal debris guards for gutters; Storm water management devices, namely, non-metal catchment basins and non-metal detention basins in the nature of cisterns; Plastic oil and debris trap for storm drainage; Rigid structure joint connectors, not of metal, for construction purposes; Downspouts, not of metal; Nonmetal tubular liners for the lining of sewer systems; Nonmetallic construction materials, namely, drain bases and grates; Non-metal vent covers for roof deck protrusions, drains and pitch pans; Gutters, not of metal
Nonmetallic Building Materials