Tamarack Lumber supplies windows for some of Ontario's most reputable builders. The windows combine superb craftsmanship and fine materials. Only ultra violet protected, maintenance free vinyl is considered good enough for our vinyl windows, which are electronically fusion-welded into a one-piece frame to eliminate any air or water infiltration.

The manufacturing process ensures high performance, energy-efficient, quality products. We offer a professional residential installation program, installation inspections and consulting where required. We want homeowners to fully enjoy all the benefits of our products.

Our windows are built to withstand the worst Canadian winter. Each one maximizes natural light and solar heat, while minimizing energy costs. All our operating windows have heavy duty weather stripping and sturdy sash locks to give you a snug, weather tight seal and added safety.

We offer a vast selection of shapes and sizes and, for custom homes, can provide the design that best suits your choice.