Profile: BMD Windows manufactures and distributes windows. Windgate architectural shaped series windows are specifically designed to meet the discerning needs of architects, builders, homeowners, and the changing needs of the residential building industry. The result is a high-performance series of vinyl windows that feature aesthetically integrated window styles, strength and durability. All Windgate new construction windows feature vinyl for a lifetime of trouble-free performance, full 3 ¼" jamb depth chambered frame for maximum structural integrity, fusion-welded frames & sashes for extra strength & durability, ¾" insulated glass for superior thermal performance, and Optional Innovative™ (Low E) coating system with Warm Edge spacer technology, reduces utility costs. Windgate patio doors are designed with maximum glass area to capture the light, while conquering the elements. Through modern, computer-aided design engineering, the door possesses exceptional strength while minimizing frame area. Fusion welded corners keep the sash panels straight and true. Doors see much more operational use over their lifetime than windows. The Alliance patio door's easy touch operation allows movable panels to glide smoothly with minimum effort. The panels lock simply and securely with the hardware.