The CityLine series is engineered with the most structurally and thermally advanced architectural aluminum components, offering customers superior design flexibility and structural integrity.
CityLine windows with OptiCore® Technology are tested to achieve an FGIA (formerly AAMA) certified AW architectural rating based on both the windows maximum design size and gateway test size. Therefore, no matter the size and structural requirements of your new luxury home, your windows will perform to desired performance.
The CityLine series utilizes a sealant-injected double corner key construction for maximum strength in the corner joinery and frame. This composition ensures that every window and door will provide superior performance while offering flexibility in configurations to meet your architectural style.