Modern outdoor architectural projects, including sunrooms, patio canopies, and outdoor roofing structures, demand building materials that balance aesthetic appeal, structural durability, weather resistance, and cost-effective installation. Traditional polycarbonate roofing panels often suffer from exposed screws, loose pressure strips, water leakage risks, and complicated assembly processes, limiting their application in high-standard commercial and residential construction. The newly upgraded interlocking polycarbonate panels solve these industry pain points perfectly with an integrated no-screw and no-pressure-strip design. Combining excellent light transmission, high impact resistance, professional UV coating, thermal insulation performance, and modern architectural aesthetics, these PC lock panels support fast DIY installation and large-scale engineering construction, becoming a versatile and high-value roofing material for all outdoor shelter scenarios.