extech exterior technologies, fiberglass reinforced plastic panels, windows, extech, security equipment & supplies, skylights, hurricane shutters, awnings, glass block, extech, curtainwall, industrial plant ventilators, aluminum windows, explosive relief windows, metal windows, window, skylight, curtainwall, sliding windows, hinged windows, glazing, skyights, tempered glass glazing, top-hinged windows, custom windows, security windows, industrial windows, skylites, abuse-resistant cellular polycarbonate, uv resistant coating, standing seam, reiforced glass block, glass block systems, glassblock

manufacturers of industrial window & skylight systems. high-strength plastic or tempered glass glazings with heavy-duty aluminum frames also offer security or storm protection. hurricane window covering systems prevent damage from flying missiles. top-hinged, sliding, & fixed styles.