Great Northern Home Exteriors Information

For over ten years, Great Northern Home Exteriors Inc. based in St.Catharines have been the Niagara area’s replacement window, door & siding authority. To ensure that our installations exceed your expectations we have meticulously handpicked the very best manufactures with which to form partnerships to complement your home improvements. We offer a wide variety of window installations including bay and bow windows. Our entry door selections include steel and fiberglass options. To complete your home renovation project, we also install vinyl siding, shutters, patio doors, storm doors, eavestrough, fascia, and soffit. Great Northern prides itself on being the best company to provide value when shopping for exterior home renovations.