Toronto Garage Door Repair & Installation Toronto Garage Door Repair & Installation by The Door Master. Garage doors are often overlooked when it comes to renovation and repair, though they guard Your home and vehicles, serving the double role of wall and door. But when garage doors break down, everything breaks down! Your home, vehicle and possessions are no longer safe, being exposed to the elements and possible entry by unwanted parties. Door Master can alleviate your concerns and make you feel safe again! With years of experience and high quality service, our trained team will help you regain that sense of security and comfort you’ve been missing.