YKK AP America Inc.
YOW 225 TUH window system line in the ProTek line includes XXL model, delivering impact rated casement outswing windows up to 4 feet by 6 feet in size. Design pressures range from 65 pounds per square foot (PSF) to 80 PSF. A three-piece mullion allows for a continuous run of windows and can be integrated with an impact rated receptor system. Window configurations include casement outswing, project out, and fixed units.