Altek windows and doors is a windows and door manufacturer that exclusively serves building contractors and construction professionals. More than 300 dedicated employees manufacture and install a wide range of quality products including aluminum, hybrid and PVC windows as well as a large selection of steel entry doors and sliding doors for the residential and commercial markets. Inspired by innovation and energy efficiency, the company has carved out a place of choice in the new construction market.

Founded in 2021 from the merger of a company specialized in commercial doors and windows and a well-known family business in Chaudière-Appalaches, Altek windows and doors strives to become the gold standard for all new construction contractors working in Quebec.