Energy Star High Efficiency Durham Home Builders Accociation Proudly Canadian
Worth Looking Into.
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Our Products

  • Casements
  • Casements

    Be creative with Casement windows to open up a room or hallway. They can have a variety of shaped tops.

  • Bays
  • Bays and

    Bays and Bow casement windows are energy efficient and help increase the interior space of your room and your view.

  • Shapes and Transoms
    Shapes and Transoms
  • Shapes and

    Add Shapes and Transoms to any of our standard size windows or entry systems to add customized character and charm.

  • horizontal window slider
    horizontal window slider
  • Horizontal

    Horizontal sliders are sleek and study with a spacious glass area and picture window combinations are available.

  • Exterior-Patio-Door
  • Patio

    Open up your world with a maintenance free, water resistant Mason Patio Door. Optional transoms available.

  • Decdor
  • Deckdor

    Choose a Deckdor for a more formal look, where one door is a fixed picture window.

  • Entry Systems
  • Entry

    No need to compromise style and elegance for your home. Our Entry Door Systems are beautiful and built for security.

  • Vertical Sliders slide up and down
    Vertical Sliders slide up and down
  • Vertical

    Our vertical sliders are appealing, energy efficient and low maintenance and picture window combinations are available.



Mason Windows, a leading manufacturer of residential windows and exterior doors, has been supplying Canadian builders, architects and contractors with products for their clients of the highest quality, performance, and security since 1945. Whether you are looking for wood or vinyl windows for residential homes that you design, build or renovate, our energy efficient windows and exterior doors will enrich and beautify the look of any home.

We have been manufacturing windows in Canada for over 60 years, and we remain a family owned and operated business, which has assisted us in understanding the special care that goes into making a house a home for your clients. All of our windows and exterior doors are manufactured in our facility in Pickering, Ontario. We continue to provide the quality today in our wood and vinyl windows that we have since we first began.

We invite you to browse our products on our website to and to select the right window, patio door, or entrance system that will best suit your clients’ homes. Be sure to consider Mason Windows for your next residential home project, we are still worth looking into.

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