Metal frame structures covered with polycarbonate Sundance approach is Lexan Thermoclear Polycarbonate covering and Base & Cap Install System. Together this provides a watertight, attractive and long life solution. We also offer Metal Building Frame Leads. Once a design chosen, customer deals directly with metal building manufacturer. Carport Pool Enclosure Canopy Entrance Skylight Dallas Zoo Skylight Canopy Car Wash Large Skylight Horse Barn Awning African Elephant Sanctuary featured on The Discovery Channel, PBS, 20/20, CNN & TIME Magazine. Asian Elephant Sanctuary, 3 times larger than the African Elephant building.