When your garage door falls too quickly, it is a symptom that something is loose of broken. Typically, this happens because of springs that have become too loose or cables that are broken. Also, it could be due to springs and cables that have been poorly installed or a damaged garage door track.
Cost. The cost of a door panel replacement varies depending on different factors, such as its brand, material, and quantity (if you're purchasing a set). Typically, a set of two can cost you around $100 to $300. Labor can set you back anywhere from $25 to $100, depending on the rates in your area.
Door Stop � Also referred to as a weather seal, this attaches to the bottom of the garage door to seal out the elements. They're available in a variety of materials and colors.