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
314999 – All Other Miscellaneous Textile Product Mills
423330 – Roofing, Siding, and Insulation Material Merchant Wholesalers
327993 – Mineral Wool Manufacturing
326140 – Polystyrene Foam Product Manufacturing
238310 – Drywall and Insulation Contractors
326150 – Urethane and Other Foam Product (except Polystyrene) Manufacturing
444130 – Hardware Stores
336992 – Military Armored Vehicle, Tank, and Tank Component Manufacturing
333999 – All Other Miscellaneous General Purpose Machinery Manufacturing
423710 – Hardware Merchant Wholesalers