Includes
Door Frames; Window Frames; Window Sashes; Eave Troughs (gutters); Gratings; Grilles, Shutters; Fixed Fire Escapes; Mounted Partitions.

Excludes
Plumbing and Associated Components such as Sinks; Wallboard and Items Classified as Furniture.

Notes
Items specified as Wooden are classified in FSC 5520.

Possible NAICS Codes
326122 – Plastics Pipe and Pipe Fitting Manufacturing
444180 – Other Building Material Dealers
332321 – Metal Window and Door Manufacturing
332311 – Prefabricated Metal Building and Component Manufacturing
332999 – All Other Miscellaneous Fabricated Metal Product Manufacturing
321992 – Prefabricated Wood Building Manufacturing
238290 – Other Building Equipment Contractors
236220 – Commercial and Institutional Building Construction
332312 – Fabricated Structural Metal Manufacturing