Arched side-opening smoke exhaust skylight with seamless corner design for the frame, made of thermal break aluminum profiles with strong thermal insulation. The window sash features high-quality hollow glass or FRP light panels for rain protection. The concealed hinges are of high strength and maintenance-free, ensuring structural stability and high strength. The bottom utilizes a one-piece corner piece for waterproofing with excellent waterproof performance. The arched trim is bolted in place, ensuring no leaks due to the absence of nails or glue. It boasts superior airtightness, watertightness, thermal insulation, and corrosion resistance, as well as good wind pressure and snow load resistance.

Whole Window Design Concept: Four-layer waterproof structure design, strong waterproof performance, nail and adhesive-free design philosophy. The skylight's arched frame features an excellent internal drainage system, eliminating the risk of leaks caused by nailing and gluing during construction.

Good economic performance: dome-shaped top for easy drainage in summer, no easy snow accumulation in winter, saves material, easy for transportation, high cost-performance ratio