NSS Exteriors specializes in the sales and installation of daylighting (skylights, sun tunnels), architectural sheet metal, windows, metal roofing, metal siding, gutters, flashings, panel walls, ventilation systems and more. We also repair leaking skylights, and metal roofing and siding. Our services are available for residential, commercial and industrial applications. NSS Exteriors serves the Chicago metropolitan area as well as surrounding suburbs: Alsip, Bourbonnais, Bradley, Bridgeview, Chicago, Chicago Ridge, Crestwood, Evergreen Park, Flossmoor, Frankfort, Hazel Crest, Homer Glen, Homewood, Joliet, Kankakee, Lansing, Lemont, Manteno, Matteson, Merrionette Park, Midlothian, Mokena, Monee, New Lenox, Olympia Fields, Orland Hills, Orland Park, Palos Heights, Palos Hills, Palos Park, Peotone, Richton Park, South Chicago Heights, South Holland, Steger, Thornton, Tinley Park, University Park, Worth, & all other locales. We provide services throughout Illinois and NW Indiana, including Cook County, Will County, DuPage County, Kane County, Lake County and surrounding areas.