Includes
Paper Building Board; Ceiling Board; Gypsum Board; Insulating Board; Plasterboard; Soundproofing Board; Tar Paper; Wallpaper; Mineral Wool; Glass Wool Batts; Pipe Covering.

Excludes
Electrical Insulation Materials.

Possible NAICS Codes
423710 – Hardware Merchant Wholesalers
314999 – All Other Miscellaneous Textile Product Mills
238290 – Other Building Equipment Contractors
423330 – Roofing, Siding, and Insulation Material Merchant Wholesalers
332510 – Hardware Manufacturing
238310 – Drywall and Insulation Contractors
326150 – Urethane and Other Foam Product (except Polystyrene) Manufacturing
336411 – Aircraft Manufacturing
332999 – All Other Miscellaneous Fabricated Metal Product Manufacturing
336413 – Other Aircraft Parts and Auxiliary Equipment Manufacturing