As we’ve mentioned before, springs are installed within your garage lift mechanism in order to help lift the door. Because doors are so heavy, the lift motor would undergo far more significant wear and tear if it had to lift the full weight of the door every time you opened it. Furthermore, in order to ensure that you can open your door even if you lose power in your home, springs allow you to lift the door by hand when the motor is disengaged.

Speed of a thrown winding bar:: The springs, being in balance with the door, effectively are able to launch a typical 150 lb door at 10.6 mph speed. An 18-inch long by 1/2-inch diameter steel winding bar happens to weigh about 1 pound. Since momentum is conserved, this 150:1 ratio in weight of the door to the winding bar means the fully-wound springs could potentially throw a winding bar at 10.6 mph * 150 = 1590 mph = 2332 ft/sec, assuming the energy were perfectly coupled and transferred. If the energy transfer were only 1/3 efficient, this would still be the 800 ft/sec speed of a typical pistol bullet. Except it is a foot-and-a-half metal spear, not a bullet.
The first garage door opener remote controls were simple and consisted of a simple transmitter (the remote) and receiver which controlled the opener mechanism. The transmitter would transmit on a designated frequency; the receiver would listen for the radio signal, then open or close the garage, depending on the door position. The basic concept of this can be traced back to World War II. This type of system was used to detonate remote bombs. While novel at the time, the technology ran its course when garage door openers became popular. While the garage door remote control transmitter is low power and has limited range, its signal can be received by other, nearby, garage door openers. When two neighbors had garage door openers, then opening one garage door might open the neighbor’s garage door as well.
Center and level the first section after you install the brackets. The door must be level even if the floor isn’t, so use shims under the section to level it. The rubber gasket on the bottom section will fill the gaps created by an unlevel floor. To hold the level in place, tape it to the section. To hold the section in place, lightly toenail a 16d nail into the frame and bend it over the section. Add brackets and rollers before setting them in place and stack one section on top of another, toenailing as you go up.
With good looks, modest cost, and solid return on your investment, a new garage door is the Triple Crown of curb appeal projects. According to the “Remodeling Impact Report” from the NATIONAL ASSOCIATION OF REALTORS®, the national median cost of a garage door replacement project is $2,300 and recovers 87% of your investment if you sell your house — one of the highest percentage of recovered costs in the “Report.”

While there might not be a huge price range when it comes to garage door openers—they are all quite an investment—there a few less expensive options to consider. Here’s a great budget option from Chamberlain. It has a motor that’s equivalent to ½ horsepower and chain drive system that is quick and easy to install. You can also connect it to the MQ technology (gateway sold separately) to use with your smartphone. The product comes with two three-button visor remote controls, a multi-function wall control, as well as a wireless keyless entry system. It comes with a 10-year motor, two-year parts, and one-year accessories warranty.


Fiberglass and vinyl garage doors are composite units, combining a steel core behind a fiberglass or vinyl skin. They have also polyurethane insulated base sections, or other type of foam insulation. These premium doors can match steel garage doors, and be a realistic imitation of wood (namely fiberglass units), but they may be more expensive than steel units.
My garage door broke on a Saturday night as I was getting ready to leave for a holiday party. Kelvin was here within 30 minutes. He reviewed everything with me that was happening with my door. He gave me the estimates of what was immediately needed to be done in order for my door to raise and then what I will need to have done very soon. I could see all the problems he pointed out to me and I decided to have everything done. He completed everything that night. I was very satisfied with Kelvin’s professionalism and the work he did. Thank you again.
Align the upper roller tracks by carefully lifting the door halfway. Lock it in place with two locking pliers, and install the supporting brackets on the back of the rails using 1-1/4 in. perforated angle iron (available at home centers and hardware stores). Install 1-1/2 x 1/4 in. stop bolts, with the threads to the inside of the track, at the end of each upper track.
​We know that your commercial ​door can take a beating. That's why we build quality, tough commercial doors to withstand the daily wear and tear of owning and operating a business. Engineered for excellence and backed by a dedicated nationwide network of Red Ribbon Distributors, Overhead Door™ commercial and industrial doors are the premier choice for durability, serviceability and hassle-free performance. ​​​​

Garage remotes work by sending a coded signal via radio frequency to the garage door opener. If this code matches that of the opener, then the motor will operate and raise or lower the door. Older devices use a single coded switch, whereas newer systems utilise a rolling code that changes each time the remote is used, increasing the security of the door by offering billions of combinations.

Electric Garage Door Openers – Service and repair of the electric garage door opener itself, including the lift mechanism that pulls the door up and guides it down. This is typically not part of the garage door itself and is serviced and repaired on its own interval. Typical service includes inspection, repair, adjustment, and lubrication if needed. Also, we typically inspect the mounting of the unit as well as its attachment to the door itself.
My door opener disengaged from the garage door. I made a call in late morning and was given an appointment for late the same afternoon. I received a call in early afternoon asking if I would like an earlier service call. Upon arriving the repair man introduced himself and explained that he would need a few minutes to assess the problem and perform an inspection. When he finished he provided me with a through explanation of the problem, the corrective measures he would take and some suggestions to improve operation. We discussed some options, agreed on the cost and the work was complete within a reasonable time frame. The door operates quieter and with less strain than it ever has. Pleasant, friendly, on-time and reasonably priced. Problem solved. It doesn't get any better than that.
In Maryland, wildfires are not common. However, thunderstorms are, and they often take out the power. Do not get stuck when power outages occur again. Consider a battery backup. If you are interested in finding out more about it, simply give us a call. Want to know which openers have them? Please take a look at these Precision-preferred garage door openers.

Note that I am measuring a spring that is fully relaxed because it is broken!. The length of the relaxed, unbroken spring is the specification of interest. It is harder to measure unbroken springs on an intact door because the springs should not fully unwind, even at the top-of-travel. If you can't be certain of the spring diameter from indications on the cones, then you have to go through an unwinding procedure to relax them fully for measurement, or perhaps reckon the size from measuring the somewhat smaller diameter at the nearly unwound condition when the door is at its top-of-travel (although one should not attempt to raise a door with a broken spring).


Bringing simple convenience to your home the Chamberlain Bringing simple convenience to your home the Chamberlain 1-1/4 HP Garage Door Opener provides instant garage access at your fingertips. Featuring innovative built-in smartphone control and battery backup this system ensures that you're never locked out of your home. Boasting a steel reinforced belt drive the B970 features anti-vibration technology ...  More + Product Details Close
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