Welcome to Dominion Doors and Windows Ltd. Dominion Doors and Windows Ltd. is one of Canada's leading manufacturers and distributors of high quality PVC (vinyl) windows and door systems serving a range of clients and applications from coast to coast. Odds are you've seen our products in houses as well as multi-unit and high-rise residential buildings, and low-rise housing across Canada.
Welcome to Extreme Windows & Doors For years, we have offered the best in windows and doors sales and installations to not only Concord as well as the whole GTA area. When residents want the best in services and products, they come to us. We offer a life-time warranty on products and an energy star rating.
To quality and productivity the Ashland 70+ year reputation for excellence in the fenestration market is second to none. Today, that reputation continues to thrive as Ashland's operations establish new standards for window and door hardware quality, and promote even higher levels of customer service by making sure that products are up to spec and delivered on time...all the time.