Casement, picture windows

Timeline’s Casement, Awning, matching Studio Picture units and Direct Sets now far exceed the most aggressive current and future energy rating requirements, after enhancements made in anticipation of Energy Star’s newest performance criteria for the Northern and North-Central zones. These products are engineered to achieve 0.20 U-values, which is R5. The triple-pane glass option is a specialized combination of LoE 272 (surface #2) and LoE-180 (surface #5). The center sheet remains clear and uncoated.