YOW 225 TUH Thermally Broken, Impact Resistant and Blast Mitigating Operable Window Optimal Performance & Protection The performance boosting YOW 225 TUH windows now feature expanded installation options to help increase school security over the standard safety glazing methods. Product specifications for YOW 225 TUH include openings to 7'-9 " tall singles and doubles, or continuous window runs with stacking mullions. For larger openings, the operating windows can be installed in YKK AP impact rated store front and curtain wall systems. the most cost effective and weather resistant configuration is a double casement in a master frame featuring a reduced sight line and no secondary penetrations of mullions or sill starter. Product Options & Features n Configs: Casement Out, Project Out & Fixed n Meets IBC requirements for all wind zones n Florida Product Approvals 16312, 16313, 16314 HVHZ and Wind Zone 3 (WZ 3) n Accepts 1 " insulating glass n Factory glazing and screens n Heavy Duty Hardware Standard n Multi-Point Hardware Standard on Casements n Large Missle: .090 " PVB Small Missile: .060 " PVB