First and foremost, a garage door, by design, contains springs designed to balance your door and make it easier to lift. Those springs are under incredible amounts of tension. If a spring breaks or is improperly released, it can cause incredible and potentially fatal injuries. Keep in mind, when working on a garage door spring, it is likely that your face and head will be close to it, meaning that your most sensitive area will be in the direct path of the released spring.

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The parts, parts, parts trick: You might be told you need new rollers, cables, drums, bearings, etc., when you don't, or at highly inflated prices. Good questions to ask when first calling for service include, "How do I know you will only charge me for the parts I actually need?", and "If you don't have all the parts I need, what will you charge me to come back?"

The two set-screws in the winding cones have a 3/8-inch square head, which fits a 3/8-inch open-end wrench or 8-point socket, or a 7/16-inch 12-point socket or 12-point closed-end wrench. I carried an extra wrench in my pocket while winding, since I didn't want to be holding a wound spring that I couldn't set because I had dropped the wrench (although one could rest the winding rod against the door in this case while picking up a dropped tool).
Cable fail-safe redundancy: Based on the proper setting of the drums on the torsion shaft, the two lift cables divide the lifting force equally to keep the door level as it rises. This not only levels the door, but also provides a fail-safe mechanism. If one of the cables should fail, such as from breaking or losing its end attachment, the other cable will then carry the full weight of the door. This will pull the door up on one side with twice the normal force, while the other side falls from its now unsupported weight, tending to make the door bind in its tracks and jam. Although not foolproof, this is a safety feature of the design which keeps the door from falling catastrophically if a cable were to fail while the door was traveling. The jammed condition also prevents a lowered door from opening with the hazard of a single broken cable, further minimizing the chances of both cables failing. Since if one cable fails the other must sustain the full weight of the door, the cables and attachments are rated many times the normal working load of half the door weight. A proper safety inspection of the door should include a critical look at the cables and their attachments.
It's a great idea to hire a professional to do your garage door opener installation for a few reasons. First of all, a pro can often be the most time-efficient way to handle the garage door opener installation, because a pro will have the right tools and experience to make your garage door opener installation as swift and smooth as possible. Secondly, a pro garage door opener installation will include making sure all the required garage door opener mounts and sensors are put together properly. A great garage door opener installation will include using the manufacturer’s recommended method of assembly and optimal placement of the garage door opener mount and sensors. Find top-notch garage door opener installation pros on Amazon Home Services and you'll see professional garage door opener installation services at competitive prices. Secure convenience and peace of mind by getting a professional garage door opener installation for your home. You'll never regret adding a garage door opener installation project to your to-do list. If you’re the kind of person who doesn’t have the time or patience to do your garage door opener installation, don’t worry. Because you don’t have to if you don’t want to. Amazon Home Services has you covered, to do your garage door opener installation quickly and professionally. Just schedule the garage door opener installation pro of your choice from our list of top-rated service providers.
Spring Issues - Unless it is due to an obstruction of some type, uneven movement of your garage door is likely caused by a problem with the spring mechanism. Roll-up doors generally have one center-mounted torsion spring. The tension on torsion springs is great. Therefore, it is necessary to call a professional for any repairs to this type of spring mechanism to avoid serious injury. Because replacement of these springs or cables in a garage door can take at least two or three hours of labor, costs can average $300 or more.
A standard residential door raises 7.5 feet, but since the door goes horizontal this is equivalent to raising the whole door for half that distance, or about 3.75 feet. So if the door weighs, say, 150 lbs, then the energy supplied by the springs is 3.75 * 150, or about 563 foot-pounds. This is like throwing a 50-lb sack of cement up a 11-foot flight of stairs. Or catching a 50-lb sack of cement dropped from 11 feet up.

Dynamic Door Service can install a new garage door replacement for you quickly and efficiently, conducting thorough testing on your garage door replacement and automatic garage door opener to be sure both are functioning properly.  Investing in a garage door replacement also adds value to your home, since it is one of the best home remodelling projects to recoup cost when you sell your home. Whether you need a new automatic garage door, a garage door replacement, garage door repair or garage door opener replacement or repair, call Dynamic Door Service for prompt, professional automatic garage door installation, maintenance and service.
Beware of improprer prior installations: Sometimes the existing door installation is not correct, and the old springs should not be used as a specification for replacements. For example, the old springs might have been replaced with incorrect sizes because the last repairman didn't have the right one on his truck. If your door has never worked quite right, something like this might be the cause. To correct this, you must use the weight of the door to specify the spring, either from a spring rate manual giving spring torque constants, or from the formulas below.
An enantiomorphic (mirrored) pair of springs, such as my standard door uses, will consist of one left-hand and one right-hand spring. Note that this "right" and "left" has nothing necessarily to do with whether the spring is mounted on the left or right of the center bearing plate. Indeed, with my standard door, if you stand inside the garage, facing out, then the spring to the left is a right-hand-wound spring, and the spring to the right is a left-hand-wound spring. The photos above and below of the broken spring show that it is a right-hand-wound spring.
A spring design manual, also called a rate book, gives tables that relate the torque constant ("rate") and maximum turns for springs of given wire size, diameter, and length. For example, a typical page in a rate book would show a table for a given wire size and inside diameter, the maximum inch-pounds (MIP) of torque available for a standard lifetime of 10,000 cycles in that size, the weight of the spring per linear inch, and the rates of the spring (as IPPT, inch-pounds per turn) for each of various lengths. From these figures one can calculate the lifting capacity, substitutions, conversions, and cycle life upgrades for a door of given weight and drum geometry. The weight-lifting capacity of a given spring is calculated based on its torque constant (IPPT, or inch-pounds per turn), which is the rotational version of the spring constant that characterizes the spring. The IPPT constant is found from tables giving IPPT for given spring dimensions (wire-size/diameter/length). The same tables may indicate the maximum number of turns for various expected lifetimes in cycles. The torque required to balance a given door can be calculated from the weight of the door times the moment arm of the drums (as we do below under "Calculating the Forces We Will Be Handling"). The ultimate torque of the spring in the fully-wound condition is the number of turns (when fully-wound) times the IPPT constant. Choosing a spring to balance the door then simply requires matching the ultimate torque of the spring to the balancing torque.
When you’ve measured your door and found a replacement that you love, garage door installation and repair services are only a click or call away. Our vast network of independent Clopay Dealers provide dependable service, and are happy to help with regular maintenance and replacement parts after your door is installed. Replacement garage doors installed by our Master Authorized and Authorized dealers are also eligible for a 1-year installation warranty to ensure your door operates reliably. For a quote or to request local service, visit our convenient dealer locator to find a Clopay Dealer near you!
As your Kentucky and Ohio garage door repair company, we offer a team of experienced and knowledgeable technicians who move with urgency to diagnose your issues of any garage door repair or service They’ll discuss your options, and then execute the option you’ve selected for your home. When you need the best in garage door service, installation and repair, choose AE Door & Window.
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You might be thinking: Aha! Why don't we lift the door, clamp it in place, and install the springs while they are thus safely unwound, rather than deal with all that accumulation of hazardous torque? The answer: At the top-of-travel, the unwound springs are not fully relaxed; they are still clamped to the torsion shaft with a significant stretch along the shaft axis, plus about a half-turn to keep the door snug at the top. This extra length amounts to the stacking of extra turns that accumulate from winding, also termed "spring growth" in the business. In my case this is about 7 turns of 0.2253 wire, or about 2 inches. Stretching the spring that much and clamping it with a half-turn or so of twist is not feasible.
Are you needing garage door repair? Has your garage door opener stopped working, or are you looking to boost your curb appeal? Whatever your garage door need may be, your local authorized Overhead Door™ Distributor is there to assist. You can find the nearest Overhead Door™ Distributor near you today by using our Distributor Locator​ to search your area. ​​
We were very pleased with the service we received. The receptionist that took our information over the phone was courteous and efficient. The young man, Nate, who came to the house was on time, respectful of our wants and needs, and very knowledgeable about the job. He was able to fix our door easily. Finally we have a garage door that works with a push of the button! We highly recommend this company for your garage door needs.read more
Extremely straightforward and efficient estimating and installation process. We purchased a Clopay sectional steel garage door for our double garage that works flawlessly with our existing door operator. The guys suggested an insulated door, but I thanked them and said no because I don't care for the garage to warm up in the winter and create a corrosive atmosphere of melting snow and salt. Great job!
Critical measurements: Torsion springs come a variety of standardized sizes, so you have to carefully measure the old springs to know what to order for proper replacements. Tables of standard sizes and designs are on the Web, such as here [www.industrialspring.com]. The four critical measurements (all in inches) are: (1) the wire thickness (which I'm measuring here with a dial caliper; you can also measure the length of a number of closely stacked turns with a ruler and divide by the number of turns in the stack, measuring 10 turns this way makes the math easy), (2) the inside diameter (not outside!) of the relaxed (not wound!) coil, (3) the overall length of the relaxed (not wound!) spring coils, not including the winding cones, and (4) the right- or left-hand winding of the spring. One must glibly quote those figures to the spring supplier, otherwise one's lack of expertise will be obvious, and one will not be worthy of buying the parts.

Over the past 15 years, we've been providing professional garage door repair and services to families across the Lehigh Valley and Western New Jersey. We're a family-owned business, and we treat every customer as if they are family as well. We pride ourselves on our dedication to exceptional service. If you are having an issue with your garage door, we can help! We service ALL makes and models of garage doors and garage door openers. Whether you need a repair, a replacement, or routine maintenance, you can rely on us to get the job done at an affordable price.

Repair Sagging Garage Doors – As doors and homes age, they can shift and move and sometimes this results in a garage door that needs to be realigned or reinforced. We will send a technician to your home to adjust the doors and to inspect the entire opening to make sure the door isn’t damaged. Once we understand the problem, we will fix the needed parts and make any adjustments to the door.

The technician, Robert Helton, was very pleasant, helpful, and professional. He repaired the garage door opener expeditiously and explained why it hadn't worked properly. He also checked the chain mechanism and the door itself and showed me how to manually work the door should I need to do that in the future. I was very pleased with this repair work.

Finding the best rated garage door openers is a bit of a challenge. Quality professional reviews are currently hard to come by, and we did not spot any that addressed current models. About the only credible, current, testing-based feedback we spotted was from Wirecutter, and it addressed smart garage door controllers rather than openers. That said, if you would like to add smart features to an existing garage door opener that you are otherwise perfectly happy with, the review is worth a read.
This page is a description of how I replaced torsion springs on a garage door. You may find that my experience either frightens you from trying such a stunt yourself, or encourages you to give it a try. You may curse me for revealing the techniques supposedly known only to the trade, or perhaps thank me for explaining how it's done. All the secrets are revealed below. Even if you hire this work out, just knowing how it is done will help you shop for the best deal and avoid falling prey to overcharging tricks.
Spring rate and torque: In my spring replacement above, the wire size was d = 0.2253 inches, and the ID was 2 inches, giving a mean diameter D = 2.2253 inches. The number of coils is L/d = 24 inches / 0.2253 = 107, less about 5 dead coils on the winding cones, or 102 active coils. Thus the spring rate is K = (π*28.5*10^6 * (0.2253)^4) / (32 * 102 * 2.2253) = 31.8 in-lb/turn (IPPT). Winding 7.5 turns * 31.8 in-lb/turn yields a torque of 238 in-lbs per spring.
The technician, Robert Helton, was very pleasant, helpful, and professional. He repaired the garage door opener expeditiously and explained why it hadn't worked properly. He also checked the chain mechanism and the door itself and showed me how to manually work the door should I need to do that in the future. I was very pleased with this repair work.

And for some extra features, you'll appreciate accessing the system through the MyQ smartphone app. You can set up this Chamberlain opener to automatically close the door after 1, 5, or 10 minutes, which is great for people who are a bit forgetful. We also really like the motion-detecting control panel, which turns on lights whenever it records nearby movement.

Garage Door Repair

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