Product Selection Guide YKK AP PRODUCT CURTAIN WALLS - PRODUCT COMPARISON EFCO KAWNEER YCW 750 SplineTech® Thermally Improved Storefront System 5600 PG 1600 Wall System® 5 OLD CASTLE BUILDING ENVELOPE US ALUMINUM Reliance™-SS Series 3150/3250 (With custom mullions) YCW 752 Outside Glazed Thermally Improved Pressure Wall System YCW 752 OGP Outside Glazed Thermally Improved Pressure Wall System YCU 750 TU Thermally Broken Unitized Curtain Wall System - S-5600 2 " 1602 Wall Reliance™-LT Series 2200 1620 Curtain Wall System Reliance™-LT (Polyamide) - X-Therm® 8250 - Reliance Unit Wall™ - YUW 750 TU Unitized curtain wall system. X-Therm® 8250 2500 UT Unitwall™ Signature Series Unit Wall - YUW 750 XT High performance, unitized curtain wall system. YUW 750 XTH - High performance, impact resistant, unitized curtain wall system. 2500 PG Wall™ - - X-Therm® 8750XD 2500 UT Unitwall™ Signature Series Unit Wall - Page-20 PS-1000-11 | Effective Date: May 31, 2023