A specialty classification that involves installation of metal studding for interior partitions in connection with dry wall application and the application and finishing of dry wall board, including sprayed finishes. The scope of work includes the installation of all necessary and incidental metal accessories, including metal studs, runners, hanger channels, drywall metal suspension accessories, ceiling materials, insulation, and preparation of the surface over which drywall or other cementitious board product is applied. This work also includes the application of base and finish coats specifically designed for drywall products.