Ply Gem  Windows & Doors

Montreal is a beautiful city, and the people there understand style. When you're looking the perfect set of windows or doors to give your home the unique look you crave, look no further than Mitten Building Products and our premium Ply Gem line. Our Ply Gem windows and doors are available in a number of stunning styles ranging from classic elegance to the modern chic.

The Ply Gem line includes:

  • Premium Series Vinyl
  • Pro Series Vinyl
  • Patio Doors
  • Entry Doors
Don't settle for less. Create the perfect unique design with our customizable hardware and glass options


About Mitten Building Products in Canada

Mitten Building Products is an icon in the world of home exterior products. With coast-to-coast distribution and offices in nine provinces, Mitten is a institution for Canadian homeowners. We are committed to bringing the absolute highest quality products to the market at the best value to our customers. 

Mitten's main office is located in Brantford, ON. For more locations and information on the products and services we offer, visit

Want to see our windows and doors in person? Visit one of our branch locations! The branch nearest you is:
Mitten Building Products – St-Hubert
3405, 1ère Rue  
St-Hubert, QC   J3Y 8Y6 
P:  438.289.1901 
T:  855.432.7185 
F:  866.864.1473 
We love to hear from our customers. If you have any questions or comments, give us a call toll free at 800 297 6102. We look forward to speaking with you!