Speed of a falling door:: Physics tells us that the transit time of a free-falling body is sqrt(2x/g), where x is the length of the fall and g is the acceleration due to gravity (32.2 ft/sec^2). If this typical 150 lb door were to fall an equivalent of 3.75 feet, this falling time would be sqrt(2*3.75/32.2) = 0.48 seconds (480 milliseconds). The terminal velocity is gt, or 0.48 seconds * 32.2 ft/sec^2 = 15.5 ft/sec = 10.6 mph.

Security Lights: Most newer garage door openers have at least two bright light bulbs, as well as lights activated by motion. On the other hand, some older or cheaper openers are limited to a single light bulb. This doesn't help much with a garage darkened by shadows, leaving you unsure if the rustling in the corner is your cat … or a skunk that snuck into the garage.


Roller doors ("Sheet Doors"-USA) are usually constructed of corrugated steel. They evolved from cover window and door coverings.[4] Other materials can be used (e.g.; transparent corrugated fibreglass) where strong impact resistance is not required. Corrugations give the door strength against impacts. A typical single car garage roller door has a preloaded spring inside the rolling mechanism. The spring reduces the effort required to open the door. Larger roller doors in commercial premises are not sprung (except USA) and use a manual pulley and chain system or a geared motor to raise and lower (roll up and roll down) the door. Roller doors cannot be effectively insulated.
When you install a new garage door, replace all the hardware as well. If your automatic opener doesn’t have an automatic reversing system that includes photoelectric eyes, replace it. Doors with openers also require two extra pieces of hardware that you’ll see in Photo 4: a support strut (usually included in the door kit) and an opener bracket (not included). For doors with torsion springs located over the door, spend the $50 or so to have a garage door professional release the tension.
R-value describes the power of the insulation in your door. The higher the r-value, the stronger the insulation. Those doors will have better energy efficiency than doors that have a low r-value. Basic doors have an r-value of 0.0 with no insulation. The first step up gives you 1-3/8” insulation at a 6.5 rating. Next, a 1-3/8” thickness with Intellicore has a 12.9 r-value. The best option on the market is the 18.4 r-value, which has 2” Intellicore insulation.
When you call on Precision Door, you can rest assured a talented professional will arrive at your home. Our technicians are professionally trained and field tested by the best in the industry at one of our two, state-of-the-art training facilities prior to servicing your door. Plus, successfully repairing over 1000 garage doors each day teaches you a lot. There is no substitute for experience
As a first time homeowner, Home advisors is an invaluable tool! There is a steep learning curve that comes with buying a house!!!! Being able to have access to unbiased information is great! It really helps to have a basic idea of what costs are, and all the different things that go into each project. who knew that there was so much to consider when looking to replace garage doors!!!!

Clopay, a garage door manufacturer, provides online installation manuals for their products. These include excellent mechanical diagrams and brief instructions for winding torsion springs on their doors. Of course, this is specific to their product designs, which may or may not match what you have. Note that some of their products involve the "EZ-Set assembly option" mechanisms that use a geared housing for winding (instead of standard winding cones) and non-standard geometry for the drums. Clopay should get an award for at least acknowledging in their instructions that you might be able to install your own new door (although they insist you must not take out an old one if it has torsion springs).
We would definitely recommend Precision to anyone that needs garage door services! We were able to get a service appointment right away! Tom arrived and was very professional and courteous. He took the time to go over what repairs were needed and provided an estimate. He was ready to do the repairs right then and there and within a few hours, we had our garage door up and running like new! Thanks to Tom and Precision for a positive experience!
I mentioned earlier that this apparatus had at least one prior spring replacement, with a single longer spring having been replaced by two shorter springs. The clamping of the original spring had pressed dimples and an eccentric distortion into the hollow shaft. While this distortion was large enough to block the old cones from sliding across, I was able to remove the old hardware by just sliding them in the other direction. I did not have to bother trying to press out this distortion, since I could just work around it.

The standard winding tools are simply a pair of 18-inch lengths of mild steel rod, 1/2-inch diameter. Winding cones can have different socket sizes (such as 5/8 inch instead of 1/2 inch), so it is important to measure the socket and select a matching rod diameter. Also beware that poor-quality cones may have a sloppy fit to the winding bars, and a loose fit presents a severe hazard of slipping at the worst moment; anything more than about an inch or two of play at the handle end is too loose for safety. I bought a 3-foot length of zinc-plated 1/2-inch diameter steel rod from Home Depot for about $3, which conveniently cuts into two halves of just the right length (the store might even cut it for you if you ask). A steel supplier selling at commodity prices might charge about 50 cents or so for such a piece that weighs about 2 lbs. Drill rod would work if used in the annealed condition in which it is originally sold, but the added expense provides no benefit and the brittleness (if it had been hardened and not annealed) would worry me a bit. Rebar, threaded rod, screwdrivers, etc., are absolutely foolish as they will not fit the socket snugly. Aluminum rod is definitely too weak, and will bend under the torque that must be applied. Longer rods would make for more leverage but unwieldly swing; shorter rods make for uncontrollable swing. As we'll calculate below, the 18-inch standard tool length is an appropriate compromise. Note that you do not need 18 inches of ceiling clearance above the torsion shaft to use an 18-inch rod, since you need not swing the rods above horizontal when winding.

If you are a own a home or a business and you have to make repairs to existing doors or complete a replacement you may not need to apply for permits for these small jobs.  I have provided a link here to the Mecklenburg County permit office. You can use this site to conduct research and to decide if you should apply for a permit for your next project.

Here are the winding rods inserted in the winding cone of the unbroken old spring, posed just for a picture. Note that I have carefully placed a sturdy, steady ladder just clear of the swing of the rods, such that when I am standing on the lower rungs to reach the rods, that my head and body are clear of the "kill zone" around the spring and cone. You must have a trustworthy platform to stand on, because a slip or shake of the ladder while you are winding can cause you to lose your socketed attachment to the cone, letting loose the spring. I would not trust an ordinary household step ladder for this purpose.
Garage doors can cost $200 for a single door and up to $4,000 for two doors or more. Keep in mind that better materials will cost more. This price also includes purchase of new tracks, adhesives, connectors and fasteners. You could install the door yourself but the weight of some garage doors are extremely heavy, so make sure you have help if you are trying DIY garage door replacement. Contact a professional or do research online to find out the average weight of different types of garage doors.
Finally, we also carry any and every residential garage door product that you need to have a state-of-the-art, secure and safe garage door. We are proud certified dealers of Clopay doors, the most durable and versatile doors on the market. With over fifty years of garage door manufacturing experience, you can trust Clopay quality, just as you can trust our team to install these highest-quality doors.
Looking for something powerful but don’t want it to be too loud? This garage door opener from Chamberlain is a great option. Featuring an exclusive Motor Vibration Isolation System which eliminates vibration for reduced noise, this is a good choice especially you have an attached garage with rooms above the space. It also has MyQ enabled technology that allows you to monitor and control the opener via your smartphone with an extra purchase of the product. You can set the opener’s timer to close the door one, five or 10 minutes if you forget, and it has sensors to make sure it won’t close if something is in its path. It comes with a lifetime motor, lifetime belt, five-year parts, and one-year accessories warranty.
A1 Garage Door Service is known for providing only the best value for money. We always aim for the best possible customer service and experience, reasonable costs for our products and services, give FREE estimates and FREE professional advice as well as amazing deals and discounts when you book our service. What’s more, we GUARANTEE that we service all manufacturer warranties, including lifetime warranties. What more can you ask for?
Together with our alliances, we proudly serve all of Australia, including Adelaide, Brisbane, Gold Coast, Melbourne, Perth and Sydney, with top quality sectional garage doors, roller doors, steel garage doors, remote garage doors, tilt garage doors, timber garage doors as well as commercial garage doors, commercial shutters and industrial shutters. If you need custom garage doors, we’re the ones you need to call.  Our manufacturers have been selected for their capacity to meet and exceed our requirements for superior craftsmanship, reliability and a single-minded focus on excellence in customer service.
These are just my observations as a consumer; I am not on a crusade to change the garage door industry. But I will observe that the Web is the innovation that can finally give intelligent consumers the advantage in these commercial games. Trade restraints work only when all sellers in the market collude in and agree to the scheme. If anyone, anywhere is selling freely, then the Web can help you find them. In the years since I have first published this information, a number of reputable Web-based merchants have appeared to supply the parts you need to repair your garage door as a do-it-yourselfer (and I have linked many of them below).

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Door styles - in addition to the styles just mentioned, it is important to also consider additional features such as windows across the top of the door to provide light inside of the garage, the use of steel or wood frames to give decorative doors added security and stability, and insulation which can reduce energy costs in the attached garage by an impressive 15 to 20%; and

Most electric garage door openers have two lights: one in front of the opener and one behind or sometimes they sit side by side. They should provide enough light for you to get into your home from your car. Generally, people don’t leave the garage light on when it’s not in use, so it’s nice to have a temporary light when you arrive home. The length of time the light stays on varies according to how it is programmed. In most instances, you don’t need more than a few minutes from the time you leave the car to when you enter your home.


Most situations allow you to replace spring(s) without removing the assembly from the wall, if there is enough clearance in the surrounding garage structure at the ends of shafts. By unbolting the end bearing plates and removing the drums, you can run the springs down to the ends of the shaft to remove and replace the springs. This avoids the balancing act of holding a long, wobbly, heavy shaft while climbing up and down a ladder. This is how the professionals get the job done in a few minutes.
While a new coat of paint can go a long way in improving the look of your garage door, the truth is that door design has come a long way in the years since garages were first installed in homes. Not only are newer doors more in line with current fashion trends, but they are also better sized for today’s cars. A new, contemporary door is a great way to get an immediate boost on the value of your home.
Are you in need of an overhead door? Do you have a door that jams or needs repair? Then, turn to the River Valley's most-trusted garage door professionals. Windsor Overhead Door, Inc. has a lineage that stretches back to 1974 and has served from its Russellville, Arkansas location for over 25 years. The company has recently passed to its third generation of owners who themselves have deep ties to the Windsor tradition of quality workmanship and customer service.

The garage door repair should be done right the first time which is why J&S Overhead Garage Door Service uses custom high-cycle garage torsion springs. These extended life garage door springs generally last up to 5x longer than standard garage spring replacements. We include a lifetime parts and labor warranty on torsion spring replacements because we know they won’ t break, EVER. In fact this is what sets us apart from the competition. Using the highest quality parts available allows for safe, long term continuous use of your garage door without return service calls, saving you money.

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.
Those who benefit from this anti-competitive behavior have many excuses for it. They claim that the product is too dangerous and infrequently needed for the public to purchase directly. They say the job is hazardous and requires techniques and tools with which the amateur will rarely practice, which is true. They write me in anger saying I don't understand how expensive it is to put a truck on the road with a technician and parts and salary and benefits and insurance and advertising and every other common business expense. They say it will take the homeowner hours of effort to do this safely and correctly, while they can do it in a fraction of that time and at a price that isn't worth the effort to save. But should they set themselves up as the judge of what you can and cannot do? Of what is an economical use of your time? Imposing minimum order quantities or charging retail prices for small orders is legitimate; inquiring into the purchaser's background is not.
A typical exit repair issue is usually at the point that your entryway does shut or close totally, which may be realized by evacuated springs. There are two strategies you can deal with this issue: one is by adjusting the purpose of restriction switch, or you can modify the springs. Amazingly old springs can comprise of an additional if weight the motor.
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 third stage of garage door opener technology uses a frequency spectrum range between 300-400 MHz and rolling code (code hopping) technology to defeat code grabbers. In addition to transmitting a unique identifier for the remote control, a sequence number and an encrypted message are also sent. Although an intruder could still capture the code used to open a garage door, the sequence number immediately expires, so retransmitting the code later would not open the garage door. The encryption makes it extremely difficult for an intruder to forge a message with the next sequence number that would open the door. Some rolling code systems are more involved than others. Because there is a high probability that someone will push the remote's button while not in range and thus advance the sequence number, the receiver does not insist the sequence number increase by exactly one; it will accept a sequence number that falls within a narrow window or two successive sequence numbers in a much wider window. Rolling code technology is also used on car remote controls and with some internet protocols for secure sites.
Garage doors are the largest moving object inside your home. If you have a problematic garage door, it compromises the safety of your family and home. Overhead Door Company of Atlanta is a professional company you can count on. We provide you with quality service at a reasonable price. We offer FREE estimates on replacement garage doors and are spring replacement specialists. 24 hours a day 7 days a week we are your number one garage door repair service.
With garage door installation costs, these numbers also include the actual purchase of the new door and other hardware, including the tracks, adhesives, connectors and fasteners. Keep in mind that if these numbers seem extreme, garage door replacement and upgrades can yield, on average, one of the highest returns on investments for homeowners — with an expected 85 percent.
The optician's trick: The serviceman looks over your door with lots of scowling, chin-scratching, and tsk-tsking. You ask, "how much?" He replies with the fair price. If you don't flinch at that price, he says, "for the parts", while quoting a large additional cost for the labor. If you still don't flinch, he adds, "each," while pointing back and forth to your pair of springs. (I hope none of you service people are reading this!) I call this the "optician's trick" after the old vaudeville joke about lenses, frames, and left/right.
Widths - in addition to doors coming in a range of styles, they can be found as double-width and single-width styles. There are some serious considerations when opting for one over the other. For example, if a homeowner decides to use a single door that covers the entire opening of a two-car garage they will have to make serious structural modifications to the entry way;

Garage door manufacturers typically produce garage doors fitted with torsion springs that provide a minimum of 10,000 to 15,000 cycles and are guaranteed for three to seven years. One cycle is a single opening and closing sequence. Most manufacturers offer a 30,000 cycle spring. However, it is important to remember that if the weight of the garage door is increased by adding glass, additional insulation, or even several coats of paint, the life of the torsion spring may be greatly reduced. Additionally, springs at highly humid environments, such as coastal regions tend to have a significantly shorter cycle life, due to the corrosive cracking.
The majority of those who have purchased this product have been happy with it, saying it’s extremely quiet and comes with a great lifetime warranty. Some of the more critical reviews had to do with the remote not working well and other minor malfunctions. (A few quick tips can help you fix any common garage door opener problems.) However, most were satisfied with the product and would recommend it to others. 
Reduce your monthly energy bill with insulated garage doors. They feature an insulated core made of polystyrene that’s surrounded by a steel cover. This can help you maintain the temperature inside your home no matter if it’s extremely hot or cold outdoors. Insulated garage doors are also known for their quiet operation. Be sure to look at the insulation rating – or R-value – when considering garage doors. The higher the R-value, the better the insulation. 

Depending on the design, you can know in advance how many turns are going to have to be unwound. Lifting a 7-foot door by winding a cable on a 4-inch diameter (about 1 foot circumference) drum requires about 7 turns, plus one extra turn to maintain cable tension at the top-of-travel. Maintaining tension at the top-of-travel is critical; without it the cable will jump off the drum, requiring a serious repair.
What is a battery backup? During a power outage, a battery backup allows your garage door opener to keep working. This is especially important when a wildfire is blazing. During the infamous California wildfires, many people were getting trapped in their garages. Several even died. California state Senator Bill Dodd was among those unable to get out, since he could not manually open his heavy wooden garage door. Drawing on his personal experience, Senator Dodd introduced a bill to make battery backups mandatory in the state of California. On August 16, 2018 the Garage Door Safety Bill passed with wide bipartisan support. As Cheryl Diehm, a Santa Rosa resident who testified before lawmakers, put it, "Make no mistake -- this legislation will help save lives."
A knowledgeable installer with good inventory can offer you upgraded spring lifetimes by using longer, heavier springs than were originally installed. For example, you may be offered more expensive springs with expected lifetimes of 15, 25, or even 100 thousand cycles, instead of the standard 10 thousand. The difference in labor to substitute this upgrade is nil. Since the dealer's cost of springs is proportional to weight, and typically a small part of the job price anyway, the dealer's cost for this upgrade is slight. This would seem to be a excellent option to offer every customer, and if correctly calculated and reasonably priced, one that you should take as cost-effective. Yet you may not be offered such an upgrade, if the installer is not adept at making the rather simple calculations, or if the optional springs are not on his truck, or if you're not around to be asked, or if the installer just doesn't like selling or taking time to discuss such details.

The right side of the photo shows the center bearing plate where the stationary cones attach with two bolts. Some doors may have only one spring rather than two equal ones as shown here (indeed, old marks on the shaft show that this door originally had one spring about twice as long on one side). Above the center bearing plate is the bracket and track from the electric opener.


Together with our alliances, we proudly serve all of Australia, including Adelaide, Brisbane, Gold Coast, Melbourne, Perth and Sydney, with top quality sectional garage doors, roller doors, steel garage doors, remote garage doors, tilt garage doors, timber garage doors as well as commercial garage doors, commercial shutters and industrial shutters. If you need custom garage doors, we’re the ones you need to call.  Our manufacturers have been selected for their capacity to meet and exceed our requirements for superior craftsmanship, reliability and a single-minded focus on excellence in customer service.

Tools in Action says the Ryobi Ultra Quiet has plenty of versatility, as you can plug devices into the opener hardware, like a Bluetooth speaker, a fan, or even an 18V Ryobi cordless tool battery. When the opener has power, it will charge the battery. But if your home ever loses power, the 18V battery works as a backup to the garage door opener, allowing it to operate normally.
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).

While you can certainly redo any security features on your garage door, it is often wise to replace the entire door if in fact that is the way a burglar gained access to your house. A new security code may seem like enough, but you don’t know how the thief figured out the old code in the first place. If the motor was disengaged, the issue might be a design flaw in the door itself. The best way to ensure that the thief doesn’t return or another thief doesn’t take advantage of the same unknown security weakness is to install a new door. Again, doing so with give you access to the kinds of robust security features that are being installed and implemented in the newest garage doors on the market.
We take the garage door installation process very seriously. The way a garage door is installed will impact every aspect of it for years to come. The noise level, ease of use, wear on other parts, appearance, and even out of pocket repair costs over the life of the garage door are all a direct result of how well the installation was performed. Call us today and you will see firsthand the A1 difference. Years from now you will be happy you chose A1!
Garage door openers make it easy to get your garage open without the struggle or the hassle of facing inclement weather. The latest garage door openers have new features such as timed close, battery backup and improved energy efficiency. Sears carries top-of-the-line garage openers that can run much more quietly and smoothly than old models. With a keypad feature, you'll be able to get into your house using a secure four-digit code. With a few new batteries in your remote, you'll be opening your garage with the push of a button.
A typical exit repair issue is usually at the point that your entryway does shut or close totally, which may be realized by evacuated springs. There are two strategies you can deal with this issue: one is by adjusting the purpose of restriction switch, or you can modify the springs. Amazingly old springs can comprise of an additional if weight the motor.

Trading diameter for length: Observe that in the spring rate formula in the table above, factors D (diameter of coils) and N (number of coils) appear together in the denominator of the spring rate formula. Algebraically, given equal wire sizes, this means that the product of the coil diameter and overall length produces the spring torque, not the diameter or length alone. Physically, this means that you can trade off torsion spring coil diameter versus overall length in inverse proportions to maintain the same torque rate. Trade-off example: A spring with 2-inch diameter coils that is 36 inches long equals a 1.5-inch diameter spring that is 48 inches long, because the product in both cases is 72 (inches squared). This assumes that wire size is equal in the trade-off, and that you have not counted dead coils in the length. Service technicians use this principle to make quick substitutions for what's on their truck versus what you need. But if you understand this, you're ahead of many technicians who don't know this trick. Maybe now you can educate the next one you hire.
Add the fact that a front-facing garage door can eat up almost 20% of your home’s front facade. With that much curb appeal at stake, a worn-out, beat-up garage door can be a real liability. No wonder that a big majority of homeowners responding to the “Report” gave a garage door replacement project a Joy Score of 9.4 — a rating based on those who said they were happy or satisfied with their remodeling, with 10 being the highest rating and 1 the lowest.
The second stage of the wireless garage door opener system solved the opening-the-neighbor's-garage-door problem. The remote controls on these systems transmitted a digital code, and the receiver in the garage responded only to that code. The codes were typically set by eight to twelve DIP switches on the receiver and transmitter, so they allowed for 28 = 256 to 212 = 4,096 different codes. As long as neighbors used different codes, they would not open each other's garage doors. The intent of these systems was to avoid interference with nearby garage doors; the systems were not designed with security in mind. Intruders were able to defeat the security of these systems and gain entry to the garage and the house. The number of codes was small enough that even an unsophisticated intruder with a compatible remote control transmitter could just start transmitting all possible codes until he found one that opened the door. More sophisticated intruders could acquire a black box master key that automatically transmitted every possible code in a short time. An even more sophisticated method is known as a replay attack. The attacker would use a code grabber, which has a receiver that captures the remote's digital code and can retransmit that digital code at a later time. The attacker with a code grabber would wait nearby for the homeowner to use his remote, capture the code, and then replay the code to open the door when the homeowner was gone. Multicode openers became unpopular in areas where security was important, but due to their ease of programming, such openers are often used to operate such things as the gates in gated apartment complexes.
Although you can replace your garage door opener on your own, it’s more difficult than most DIY projects, so following the installation instructions is a must. If you’re not confident you can replace the opener on your own, you should consider hiring a professional, which further increases your costs. You can also expect to pay more if you’re replacing a garage door in addition to the opener.

Absolute Overhead Door Service was founded by Vince Heuser when he saw the need for a new garage door company that performed at a much higher standard than most companies in the local area. He understood and saw that the need for HONEST, knowledgeable, dependable, and friendly technicians was apparent and Absolute Overhead Door Service was then founded in 2007. With our extraordinary growth because of our outstanding service, we cover the entire Central Kentucky area including Louisville, Elizabethtown, Bardstown, and Southern Indiana. We have warehouses strategically located so our technicians can be on your job within two hours on most days with no extra charges anywhere or anytime in normal hours. No other local company provides the convenient service hours that we do, 8am-6pm Monday-Saturday and Emergency Service after 6pm, Monday thru Friday, and on Sunday’s. We guarantee same day service on calls by 1pm and still get most service calls up to 4pm the same day.
The standard winding tools are simply a pair of 18-inch lengths of mild steel rod, 1/2-inch diameter. Winding cones can have different socket sizes (such as 5/8 inch instead of 1/2 inch), so it is important to measure the socket and select a matching rod diameter. Also beware that poor-quality cones may have a sloppy fit to the winding bars, and a loose fit presents a severe hazard of slipping at the worst moment; anything more than about an inch or two of play at the handle end is too loose for safety. I bought a 3-foot length of zinc-plated 1/2-inch diameter steel rod from Home Depot for about $3, which conveniently cuts into two halves of just the right length (the store might even cut it for you if you ask). A steel supplier selling at commodity prices might charge about 50 cents or so for such a piece that weighs about 2 lbs. Drill rod would work if used in the annealed condition in which it is originally sold, but the added expense provides no benefit and the brittleness (if it had been hardened and not annealed) would worry me a bit. Rebar, threaded rod, screwdrivers, etc., are absolutely foolish as they will not fit the socket snugly. Aluminum rod is definitely too weak, and will bend under the torque that must be applied. Longer rods would make for more leverage but unwieldly swing; shorter rods make for uncontrollable swing. As we'll calculate below, the 18-inch standard tool length is an appropriate compromise. Note that you do not need 18 inches of ceiling clearance above the torsion shaft to use an 18-inch rod, since you need not swing the rods above horizontal when winding.

Our garage door installation and repair professionals are courteous, knowledgeable, skilled and dedicated to your satisfaction. Let us show you what we’ve done for so many businesses and homes throughout Cincinnati and northern Kentucky when it comes to their garage doors, and what we can do for you. Once you’ve tried our services, you won’t have to search for a garage door service provider in this area ever again.

The salesman-disguised-as-technician trick: In this trick, you arrange for a service call to your home, perhaps paying a small fee up-front, and a neatly uniformed man arrives in a very technical-looking truck, carrying an impressive tool kit. He carefully examines your door, perhaps using some impressive testing devices to lend weight to his expertise. He then condemns your door as not worth repairing, and tells you, to his sincere regret, that you must have a new one. In fact, this technician is not a technician, but a salesman who only sells, and does not repair, doors. Even if he doesn't sell you, he is doing well just collecting fees for service calls that are no more than sales visits. He doesn't actually have to ever fix anything, and he may not even be capable of doing so himself. He's an expert at selling, which genuine technicians are not. In the worst case, when you refuse to buy a whole new door, he might refuse to follow up with a visit from an actual technician, either outright, or only with an unacceptable delay ("we're too busy to get a guy out until next week", when your car is trapped). If you find yourself closing in on this situation, then politely invite him to leave, and try someone else. That is your right, and in fact the only power you have to bargain in such circumstances. At that point, he may offer to promptly bring in his competent colleague, who will turn up lacking charm and looking awful, but might actually do the work, possibly at a fair price. If so, you will have beaten a legal variation of the classic illegal bait-and-switch (see below). The switch was attempted, but not required, which makes this legal. This is a hazard of any direct-sales situation. Because it rarely appears in everyday retail sales, it can surprise the unwary.


Finally, one of the most important garage door innovations over the years in increased child safety features. Sensors can detect when a child or pet is crossing the threshold while the door is closing, prompting it to stop immediately. Furthermore, doors can also sense when something is being pressed by the door, causing it to stop before inflicting a brutal crushing injury.

Ryan Fleming, Technician with Precision Door replaced a broken garage door spring at our home last night and I was so impressed with his knowledge, professionalism and positive attitude that I felt compelled to write this review. We have been customers of Precision Door for over 5 years and have always been pleased with how promptly and cost effectively they perform repair and maintenance work. I highly recommend both Ryan and Precision Door.read more
The Heavy Duty Chain Extension Kit for 8 The Heavy Duty Chain Extension Kit for 8 ft. High Garage Doors is required for reliable everyday operation of Chamberlain heavy duty chain drive models in 8 ft. garage door applications. Featuring a quick-install extension rail and replacement chain the kit includes everything needed for quick and easy installation. Includes ...  More + Product Details Close
Garage door manufacturers typically produce garage doors fitted with torsion springs that provide a minimum of 10,000 to 15,000 cycles and are guaranteed for three to seven years. One cycle is a single opening and closing sequence. Most manufacturers offer a 30,000 cycle spring. However, it is important to remember that if the weight of the garage door is increased by adding glass, additional insulation, or even several coats of paint, the life of the torsion spring may be greatly reduced. Additionally, springs at highly humid environments, such as coastal regions tend to have a significantly shorter cycle life, due to the corrosive cracking.
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