Aluminum Alloy Courtyard Sunroom

The courtyard sunroom is engineered for large-footprint outdoor enclosure applications, using heavy-span aluminum alloy frames that can bridge courtyard widths typically exceeding the practical range of standard sunroom products. Frame profiles are precision-machined and fluorocarbon-coated for outdoor weather resistance, and the structural system is engineered for the full range of single-pitch, dual-pitch, arched, and polygonal roof geometries to match the courtyard plan shape and surrounding architecture.

Roof and side glazing uses high-strength tempered or polycarbonate panel materials, with frame-to-glazing joints sealed using a continuous, compression-fit weatherproof gasket system that prevents water infiltration under sustained rain and wind pressure. Side walls are configurable with a mix of fixed panels and operable aluminum alloy windows and doors to provide natural ventilation at ground level.

Additional systems — motorized shading, rainwater collection gutters, LED architectural lighting, and ventilation fans — can all be integrated into the structure at the design stage. The courtyard sunroom transforms an underutilized outdoor space into a fully weatherproofed, year-round functional area suitable for residential leisure use, private garden studios, home-based commercial hospitality, and children's play or gardening spaces.

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About Dongcheng

Located in the High-tech Industrial Park of Wuxing District, Huzhou, Zhejiang, China, Zhejiang Dongcheng Energy Saving Technology Co., Ltd. is a professional manufacturer specializing in aluminum energy-efficient doors and windows, fire-rated doors and windows, curtain wall systems, railings, shading systems, and skylights. Integrating R&D, design, production, installation, and after-sales service, we provide complete solutions for a wide range of building applications.

With advanced production equipment, a well-established management system, and an experienced professional team, we are committed to delivering reliable products and consistent quality. Operating in accordance with the ISO9000 quality management system, we implement standardized control throughout the production process to ensure that our products meet relevant standards and project requirements.

Driven by technology and innovation, we continuously improve our products and services to better serve the market. We also place great importance on safety management, maintaining strict supervision throughout project execution to ensure safe, stable, and reliable delivery.

Guided by the principles of integrity, quality, and service, we are committed to providing cost-effective products and dependable support, and we look forward to building long-term partnerships with customers worldwide.