Classification Information
Metal windows and doors; metal window and door assemblies and component parts thereof, namely, frames, window sashes, door panels, insect screens and replacement parts thereof; metal hardware for use with windows and doors, namely, handles, cranks, knobs, sash fasteners, hinges, and locks
Metal GoodsNon-metal windows and doors; non-metal window and door assemblies and component parts thereof, namely, frames, window sashes, door panels, glass panes, insect screens and replacement parts thereof
Nonmetallic Building Materials