Product Selection Guide CURTAIN WALLS - PRODUCT COMPARISON YKK AP PRODUCT YCW 750 XT High Performance Curtain Wall System Featuring Dual Thermal Barriers YCW 750 XTP High Performance Curtain Wall System Featuring Dual Thermal Barriers and Polyamide Pressure Plate YCW 750 OG Thermally Improved Outside Glazed Curtain Wall System YCW 750 OGP Thermally Improved Outside Glazed Curtain Wall System with Polyamide Pressre Plate YCW 750 SSG Thermally Improved Structural Silicone Glazed Curtain Wall System YCW 750 IG Thermally Improved Inside Glazed Curtain Wall System YCW 750 XT IG High Performance Inside Glazed Thermally Broken Curtain Wall System 5500 (TS) Inside Glazed 1600 Wall System® 4 Reliance™-TC IG Series 4250T S-5900 S-5600 2-1/2 " S-5600 2-1/2 " With Duracast® 1600UT Wall System® 1600 Wall System® (2-side) Clearwall® (4-side) 1600 Wall System® 5 Reliance™-IG SS Series 4250 2 Reliance™-SSG Series 3150 1 Reliance™-OG Series 3250 S-5600 2-1/2 " 1600 Wall System® 1 Reliance™-OG Series 3250 EFCO KAWNEER OLD CASTLE BUILDING ENVELOPE US ALUMINUM 5500 X-Therm 1600 UT Reliance™-HTC Series 3252 / 3252SG 5600 X-Therm 1600 UT Reliance™-TC - Page-18 PS-1000-11 | Effective Date: May 31, 2023