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      Great Northern Home Exteriors Inc.

      54 Highland Ave., St. Catharines, ON L2R 4J1

      Hours of Operation

      • Monday
        9:00 am - 8:00 pm
      • Tuesday
        9:00 am - 8:00 pm
      • Wednesday
        9:00 am - 8:00 pm
      • Thursday
        9:00 am - 8:00 pm
      • Friday
        9:00 am - 8:00 pm
      • Saturday
        9:00 am - 1:00 pm
      • Sunday
        Closed

      Products, Services and Brands

      Replacement Windows, Steel Entry Doors, Vinyl Siding, Aluminum Eavestrough, Patio Doors
      • Cash
      • Check

      Windows | Doors | Siding

      Great Northern is an industry leader in Window Replacement, Entry Door Replacement and Vinyl Siding Installation. We are also experts in Patio Door, and Storm Door replacement along with Eavestrough, Soffit and Fascia installation. With over two decades of experience, we specialize in top quality Installation and service. All of the products we carry come with the best warranties available in the

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