Non-metal catch basins for attachment to sewer pipes to trap debris; Non-metal drains for use in construction of basement waterproofing system; Non-metal gratings; Non-metal vent covers for roof deck protrusions, drains and pitch pans; Nonmetallic construction materials, namely, drain bases and grates; Storm water management devices, namely, non-metal catchment basins and non-metal detention basins in the nature of cisterns
Nonmetallic Building Materials