Who We Are…

Welcome to Great Northern Home Exteriors Inc. We are experts in windows,  doors and vinyl siding. Our company is based in St. Catharines and the Niagara region. We specialize in full frame vinyl windows and retrofit replacement windows with a variety of colors and designs. We offer numerous options of entry door systems including fiberglass and steel doors, garden doors, patio doors and even interior doors. Our company is the best choice for installing new vinyl siding, whether its vinyl board and batten or horizontal siding, we will help you choose from many colors and designs for the right decision. All of our customers are extremely important to us and we make sure we use the best products on the market and more importantly you get the best service we can provide. Be sure to scroll down to see our specials and local home shows. 

Call for a free quote today 289 362 2644



Click for the BBB Business Review of this Home Improvements in St. Catharines ON


S.A.W.D.A.C Membership

Great Northern Home Exteriors is Featured on TrustedPros.ca


Service Areas :

Niagara Falls, Port Colborne, St. Catharines, Beamsville, Vineland, Thorold, Welland, Fonthill, Fort Erie, Grimsby, Lincoln, Niagara-on the-Lake, Pelham, Wainfleet, West Lincoln, Smithville, Dunnville,  Hamilton, Burlington, Stoney Creek, Ancaster, Dundas, Waterdown, Milton, Burlington, Oakville, Niagara Region, Halton Region, Hamilton Wentworth Region