Safe automatic door openers. All automatic openers must now have an auto-reversing mechanism and photoelectric eyes located near the floor on both sides of the door (see photo). If the door is closing and the beam between the eyes is interrupted, the door will automatically reverse. If the eyes aren’t connected, the door won’t operate. For instructions on how to install a new garage door opener, see How to Install a Garage Door Opener.
When garage door repair isn’t an option — perhaps the current door is beyond fixing or you want to upgrade to a quieter, more energy-efficient model — it’s time to buy a new one. But choosing a garage door is not as simple as it sounds, even when you know the right size for your home. A wide range of materials, styles and finishes are available, and each factor influences the cost. Garage doors are made of aluminum, steel, vinyl, fiberglass, masonite, wood (typically cedar or mahogany), or a composite of several materials. They may be insulated against cold or heat. Traditional and modern styles include raised panel, carriage house or crossbuck. Most styles have window or arch options, and are available in different wood finishes and neutral colors. Because garage doors account for a large part of a home’s exterior, their appearance is usually a homeowner’s top priority. An attractive garage door can increase a home’s curb appeal and resale value.
Using your drill, add tension to the torsion spring. This system uses a single spring for a double door, but many manufacturers use two springs for a double door. The painted line on the spring acts as a gauge for the number of turns you put on the spring. To keep the bar from turning while you’re adding tension, attach a locking pliers to the bar on both ends of the spring. Apply lubricant for garage doors to the spring.
When you're done watching this video you'll know how to determine whether the company you hired to replace your garage door spring installed the right size spring on your door. You'll also learn the consequences to your garage door opener if the wrong size spring is used. If you are having a problem with your garage door spring, the 2:30 minutes you spend watching this video is time will spent.