The NCM 675S profile is distinctive for its broad width seam, impressive structural capabilities, and easy Snap Lock installation. Featuring a 1-3/4" seam height, this continuous interlocking engineered roof system utilizes a concealed clip and fastener application which allows for thermal movement and requires no mechanical seaming. The installation is quick and simple, yet it withstands extremely high design pressures and is approved for use on Weather Tightness Warranty project.