Waterproof Carbon Steel Cantilever Carport: Smart Drainage and Space‑Saving Design

This waterproof carbon steel cantilever carport is specifically engineered to serve small, medium, and large parking lots. Its advanced waterproof system effectively resolves the long‑standing drainage issues found in conventional carports.

Core structure and materials

• • The main frame is constructed from high‑strength carbon steel, ensuring a robust and long‑lasting structure.

• • The guide rails and waterproof system are made of aluminum alloy, offering a combination of light weight, corrosion resistance, and visual appeal.

• • The overall design fully satisfies customer requirements for safety, installation convenience, and aesthetic quality.

Efficient waterproofing and drainage

During rainy weather, rainwater collects around the canopy and is efficiently channeled into the aluminum alloy gutter, then smoothly flows along the gutter to the lower eaves, preventing water from pooling.

Unique advantages of the cantilever design

• • Elegant and streamlined: The cantilever support design features a clean, attractive shape.

• • Hassle‑free access: Effectively eliminates bracket obstruction of vehicle doors, greatly reducing the risk of scratches.

• • High space utilization: Supports modular and flexible layouts for multiple parking spaces, allowing site‑specific arrangements to maximize space efficiency.

• • Versatile application scenarios: Suits both private residential parking areas and large public parking lots.

The innovation and engineering value of this design have been validated through global commercial projects. A prime example is the 1.6MWp BIPV photovoltaic carport project constructed by Solar First Group at the Q‑cell plant in Malaysia in 2019, which demonstrates the large‑scale practical application of cantilever waterproof carport technology.

That project employs a reinforced carbon steel main structure and an aluminum alloy drainage system, perfectly adapted to the tropical rainy climate. The sloped roof effectively withstands monsoon downpours, while the cantilever design ensures unobstructed movement for large logistics vehicles. Furthermore, it innovatively integrates double‑glass photovoltaic modules, achieving "dual purpose of a single roof" — providing all‑weather protection for more than 300 parking spaces within the factory premises and generating an average of 1.9 million kilowatt‑hours of electricity per year, meeting 15% of the factory's operational power needs.

This benchmark case confirms the high reliability, space reuse value, and energy generation potential of the cantilever waterproof carport in complex industrial environments.