
YKK AP America Inc.’s YWW 50 TU and YWW 60 TU are 5-inch- and 6-inch-deep window wall glazing systems for multistory applications. They have shop-glazed and field-glazed options, and optional slab-edge covers. The window walls have inside, outside and structural silicone glazing (SSG) options, and a screw spline assembly.