Aluminum Double Hung Window Thermal Break for Houses

XLB-140 Series High-Performance Vertical Hung Window The XLB-140 series represents the pinnacle of modern window engineering, specifically designed as a high-strength Aluminum Double Hung Window for demanding architectural projects. Featuring a robust 140mm frame depth and a specialized 35.3mm thermal break, this window system offers exceptional energy efficiency and structural integrity. With hidden sashes and a narrow sightline design, it seamlessly blends minimalist aesthetics with the heavy-duty performance required for contemporary residential and commercial buildings. Premium Engineering Features Advanced Thermal Insulation Utilizes a 35.3mm wide thermal break and triple IGU compatibility to achieve a superior heat insulation value of UW 1.7W/m²K. Heavy-Duty Durability Equipped with high-quality casting hardware instead of plastic components, ensuring a 30KG bearing capacity and extended service life. Weather Resistance Tested for ultimate wind resistance (+3000Pa) a…

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