[RenewableEnergyAccess.com] UniRac of New Mexico and Metal Roof Innovations of Colorado have established a licensing agreement that allows UniRac to manufacture the S-5! Clamp for the North American market. The S-5! is a a standing seam, metal roof clamp developed by Metal Roof Innovations that allows people to attach solar photovoltaic (PV) panels to metal roofs. UniRac is a manufacturer of PV module mounting systems in North America. Kits including the new clamp will start shipping in January.