The 105 Series High-Performance uPVC Single Hung Windows combine classic American window styling with upgraded thermal performance for energy-efficient homes. Featuring a fixed upper sash and a vertically sliding lower sash, it provides controlled ventilation and reliable sealing.
The deeper, multi-chamber uPVC profile improves insulation efficiency, achieving a U-value below 1.2 to help reduce energy loss. Designed with an integrated nail fin, the window allows fast installation and a secure connection to the building envelope, making it ideal for new construction and high-standard residential projects across North America.