M3 Design offers an unparalleled attention to detail, a wide range of quality window treatments, and we pride ourselves on providing the highest level of customer service in the industry. As one of the leading manufacturers of window shutters in Canada, you can count on us for the best in workmanship, design, and durability. Whether you are decorating a new house or updating the look of your current one, M3 Design is guaranteed to increase the value of your home.