State of the Art Technology More than thirty years of research and development are built into every fully welded Pro-Tech 400 Series replacement window, producing state of-the-art designs using advanced production techniques. A technologically advanced fabrication process allows compound shapes to be fusion welded at sill corners, producing a window that is actually stronger than conventional welded windows. Innovative technology means unparalleled styling and top performance for homes of distinction.
Sliders and Picture Windows
In our fully welded slider and picture window, the advantages of our technology produces a sophisticated, uncluttered look.
