State Line Building Supply is a full-service company that specializes in the delivery of gypsum wallboard, acoustical ceiling supplies and other building materials. It offers a range of products for commercial and residential applications, as well as is responsible for jobsite deliveries of drywall, insulation, metal studs and related accessory products. The company provides its services to a variety of commercial and residential clients. State Line Building Supply offers wallboard products, such as gypsum sheathing, shaftwall liners, cement boards and Vinyl Covered Durasan. It also provides acoustical supplies, including mineral fiber ceiling and vinyl-faced gypsum panels, suspended and drywall grid systems, sealants, flexible wall molds, and hanger and tie wires. The company has operations in Delaware.