The curved-top retro Cretan-style aluminum window is a popular choice for European villas and historic castle or old house renovations. It features an arched overhead light zone with built-in divisions, replicating the aesthetic of traditional steel windows while being rust-resistant. Constructed with 6063 insulated aluminum and PA66 thermal insulation strips, it comes standard with Low-E argon-insulated double-glazed glass for energy efficiency and noise reduction, along with weather-resistant powder coating providing 15 years of coastal corrosion protection. Its outward-opening design facilitates easy interior cleaning, and it holds full EU certification for anti-theft and airtight performance. The curvature, pattern, and color are customizable; supplied directly from our Qingdao factory with a 5-year material warranty and a 10-year glass warranty.