Firestone's Profile Panel Systems are light-weight and retain flatness over large areas and overlapping joint design. The Delta Series of Concealed Fastener Panels offers a high-performance cladding system for use in architecturally specified projects and are offered in a range of materials and profiles to meet the specific needs of your project. The UNA-CLAD™ Exposed Fastener Profile Panels provide a traditional metal panel appearance and come in a wide variety of profiles, materials and rib patterns.