Dual-Row Commercial ECO Gamma Frame Carport Back-to-Back Solar Parking Structure The Dual-Row Commercial ECO Γ Frame Carport maximizes solar energy generation per square meter of parking area through an optimized back-to-back dual-row configuration that shares a central column line and drainage system. Engineered for large-scale commercial parking lots, shopping centers, and corporate campuses, this configuration delivers the highest power density of any carport layout while