Heavy-Duty Industrial ECO Gamma Frame Carport Dual C-Purlin Solar Mounting Structure 100kW PV Capacity The Heavy-Duty Industrial ECO Γ Frame Carport represents the pinnacle of structural engineering for large-scale commercial and industrial solar parking applications. Engineered with reinforced dual C-purlin cold-formed steel construction, this mounting system delivers exceptional load-bearing performance capable of supporting photovoltaic arrays exceeding 100kW in capacity.