COR 4600

Ideal solution to close large spans, offering excellent thermal Uw from 0.16 Btu/h·ft2·°F (0.9 W/m²K) and acoustic Rw up to 43 dB performance along with a modern design with straight aesthetics in the sashes and beads. It includes a hardware system that slightly elevates the sash when the handle is operated, facilitating its movement in the opening and closing motions, even in the case of sashes with large dimensions and weight. Possibility of a reduced interlock sightline of 2" (50 mm).