Replacing garage door panels is generally a task better left to the experts. Track installation, lift systems and door tracking all require very close tolerances. Insulation is also important.
The best way to go about replacing garage door panels is to hire a trained professional to do so. Self-installation is possible but it can be complicated.
Call a professional. You do not want to make a little mistake that could ruin the garage motor or cause a problem that could make your door come crashing down.
find door manufacturer and get replacement panels that way they are exact fit .lower door and remove top panel first then go to next and reverse process to reinstall.
