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By incorporating the benefits of the NX-3000 projected window series, the new NX-4000 Series Thermal Window from Traco, a division of Kawneer Co. Inc., offers the performance of a projecting window with the distinctive look of a hung window—an ideal combination for specialized retrofit projects.
Featuring the company’s NexGen thermal barrier system, energy spacer and 1-inch insulating glass, the window offers strong air and water performance. It was tested to a design pressure of 80 psf and water performance level of 15 psf. The aluminum window uses hollow extrusion profiles with Euro-groove construction for reliable hardware attachment. Designed with a master frame depth of 4 5/8 inches and a 3 1/8 inches operable vent depth, the projecting window has an exaggerated offset of 1 ¼-inch minimum between the upper and lower exterior glass surfaces.
