Window Systems

The EL 76E from GS Window Systems is an aluminum window system that is suitable for awning, hopper, tilt-turn, casement, fixed, window doors and folding doors. The thermal break consists of two 40 mm polyamide struts with reinforced fiberglass and polyurethane foam insulation inserts. This system has been tested to AAMA standards for AW 100 plus performance ratings. Thermal performance as per NFRC: 0.27 – 0.30 U-factor with double glazing and 0.16 to 0.21 U-factor with triple glazing. Learn more >