MasterLine 16 is a metal wall panel with concealed fasteners. Coverage width is 16 inches; can be used in both horizontal and vertical applications, and comes in 24 (standard), 22, 20, and 18 gauges. Has factory-applied mastic in side laps, designed to resist air and water infiltration. Panels may be attached to metal studs, with or without sheathing, as well as to subgirts. Comes in both smooth and embossed finishes and a variety of coatings.