I bought my home after downsizing about 5 years ago. I had to have the door serviced twice before the recommendation to put in a new door. With this service the door came off track and they were here to repair before night so as to protect the things in my garage. Much time was spent to identify why this had occurred. WE decided to install new rollers. Then Allan spent time releveling and adjusting the door. Runs like a dream now.