NIGP Codes

NIGP Class and Class Item Codes identify the scope(s) of work as defined by the National Institute of Governmental Procurements. This five-digit code establishes and defines the detailed scope(s) of work for the contract. The first three digits of the NIGP code represents the Class or broad category of the work to be performed, and the second two digits of the NIGP code identify a more specific focus of work within the Class category.

Items for NIGP Class 540

Full Class List > 540: Lumber, Siding, and Related Products

Code	Description
540-05	Asbestos Sheets, All Types, Except Insulation and Roofing
540-08	Asbestos Siding, Flat
540-09	Blocking Wood
540-10	Bridge Timbers and Railroad Ties, Treated
540-11	Fiberboard, Medium Density (MDF)
540-12	Forms, Wood (See 210-13 and 755-73 for Concrete Forms)
540-14	Lumber, Cedar
540-17	Lumber, Cypress
540-20	Lumber, Fir
540-23	Lumber, Hardwood, All Kinds
540-26	Lumber, Parana Pine
540-29	Lumber, Poplar and Willow
540-32	Lumber, Redwood
540-34	Lumber, Softwood (SPF)
540-35	Lumber, Southern Pine, Laminated Structural Type
540-41	Lumber, Treated: Creosote, Penta, Wolmanized, etc.
540-42	Lumber, Treated: Fire Retardant
540-43	Lumber, Walnut
540-44	Lumber, White Pine, Including Ponderosa Pine
540-47	Lumber, Yellow Pine
540-49	Oriented Strand Board (OSB, Wafer Board)
540-50	Particleboard, All Types
540-52	Lumber, Plastic, and Related Products
540-53	Pressed Paper Sheets
540-56	Pressed Wood Sheets: Masonite, etc.
540-57	Pilings, Treated
540-58	Pipe Sticks, Wooden
540-59	Plywood, Softwood (SPF)
540-62	Plywood, Hardwood Type, Except Decorative and Plastic Faced
540-65	Plywood Panels, Decorative, Prefinished
540-66	Plywood Panels, Decorative, Unfinished
540-68	Plywood Panels, Plastic Faced, For Highway Signs, etc.
540-70	Poles, Treated and Untreated
540-71	Posts, Cedar
540-73	Posts, Treated and Untreated, Including Wooden Guard Rail Posts, (See 570-28 for Metal Posts)
540-77	Recycled Lumber
540-78	Sawdust and Shavings
540-79	Wood and Lumber Products, Scrap or Waste
540-81	Sheetrock and Accessories: Cement, Corners, Floating Compound, etc. (See Class 832 For Tape, Including Recycled Type
540-84	Shakes and Shims, Wood
540-87	Siding, Prefinished Particleboard
540-88	Siding, Vinyl Clad, Including Recycled Types
540-89	Siding, Wood, All Types
540-90	Stakes: Engineers', Agricultural, etc.
540-91	Structural Wood Products (Not Otherwise Classified): Beams, Framing Lumber, Planks, Joists, etc.
540-92	Timbers, Construction Type, Laminated, Treated and Untreated
540-94	Underlayment
540-95	Veneers, All Kinds
540-96	Wood Bi-Products (Not Otherwise Classified)
540-97	Wood, Fire