When you really need to install a new garage door or even repair an older one you need to check out an expert in you area.
There are a great number of books about how to do this type of work yourself but quite frankly it can be harmful and there are a lot of accidents that can happen when inexperienced people try to do it themselves.
I would recommend picking a garage door service company that has an excellent track record plus employs people with a lot of experience. You may not want novices working on your garage door.
While it may seem easy when you watch someone doing it there are (...)