LOGIC exceeds expectations in applications where a premium product and high performance is specified. Whether in commercial, institutional or high-end residential uses, users will appreciate the Euro look and feel. With the advanced use of thermal chambering, LOGIC functions in perfect harmony with today’s high-performance glass packages to easily achieve thermal values of up to R7.6. The multi-chamber profile with a basic overall depth of 2-3/4″ (70 mm) or optional 3 3/8″ ( 86mm) profiles provides ideal use of dead air’s natural insulating characteristics. LOGIC is designed and tested to meet or exceed all applicable NFRC, AAMA and ASTM standards using certified components for the singular purpose of assuring a long life of performance and customer satisfaction. Highlights NEW 86mm profile- allows for higher passive level performance. Fusion-welded frame and sashes for superior strength. Galvanized steel reinforcing supports the structural integrity and operational reliability. High-quality gaskets comprise a system of dual compression-seals that keep the cold, draft and moisture outside. High thermal insulation values up to R-7.6 are achievable and noticeably reduce energy costs. Available foil and painted finishes.