Our mission is to manufacture windows that are exceptional in appearance, safety and solidity.

Our areas of expertise include construction management and architecture, thanks to the merger of our two companies: Qualum International and Qualum Commercial.

Together, Qualum International and Qualum Commercial create windows for your projects with a unique level of aesthetics, comfort and security as well as energy efficiency, durability and easy maintenance.

This combination of knowledge and experience sets us apart and we work with all of our clients to develop every detail of their project through design, structural requirements, finished product and installation.

Our strength allows us to be competitive by offering top quality windows in a variety of designs and customization options. Thus, we are able to bid on all projects: residential, commercial or institutional.


Based in Rawdon, Quebec, Qualum Commercial is a leader in window manufacturing, supported by production and engineering teams with over 25 years of experience as well as a long history of partnerships with some of the largest companies. of aluminum in North America.


Founded over 60 years ago, Qualum, formerly a division of Alsco, Alcan and Gentek, specializes in the manufacturing of aluminum windows and other related products. Recently acquired by Ovvio Architectural, renamed Qualum International and relocated to Montreal, Quebec, it continues to manufacture its quality products and to develop new products and new technologies.

Together, our companies offer you years of experience, combined strengths and innovative production technologies.