Applies to contractors engaged in the installation or repair of wallboard. This classification includes the installation of wallboard, drywall, or sheetrock in all types of residential or commercial buildings or structures. The process consists of cutting wallboard with a utility knife, hacksaw, or power saw to the desired size and then butting material into place and nailing or screw fastening to wood or metal wall studs. Electrical box, window, or door openings are cut out where needed. Installation may require the use of scaffolding, ladders, specialty lifts, or stilts when working at heights, including the use of T holders or hydraulic lifts to hold material being installed on ceilings. This classification also includes wallboard scrapping (picking up and discarding unused portions of wallboard remnants or scraps) at the construction site when performed by employees of the wallboard contractor.

This classification excludes delivery of materials to the construction site by material dealer employees which is to be reported separately in the applicable delivery classification; delivery and stocking of materials to the construction site when performed by employees of the wallboard contractor which is to be reported separately in classification 1101; wallboard taping (including priming and texturing when performed by employees of the wallboard contractor) which is to be reported separately in classification 0541 or 0551; wallboard scrapping by nonwallboard contractor employees which is to be reported separately in the applicable construction debris cleanup classification; plastering, stuccoing or lathing work which is to be reported separately in classification 0303; and the framing of nonbearing walls when performed by the drywall contractor which is to be reported separately in classification 0516.