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NottawasagaGarage Door Experts · Oxbow ParkOpen 24/7(249) 559-1412Request a visit
Two detached extension springs with hooked ends on a garage bench. — Extension Spring Replacement, Oxbow Park

Springs · Oxbow Park

Extension Spring Replacement in Oxbow Park

You pulled the red cord to open the door during a power cut and it barely moved. Lifting it took your whole weight, and when you let go it came down hard.

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Extension Spring Replacement

In plain words

Choosing the right spring is a matter of weight, not colour. Extension springs are rated for the weight they are meant to lift, and the correct pair for your door is found by weighing the door itself with the opener released, then checking that figure against the wire size, coil diameter and length of the old springs. Paint colour on the end coil is only a hint; older springs fade, get overpainted or were never quite right to begin with. A pair matched to the measured weight gives a door that holds at half height and lifts with one hand, and an opener that works lightly.

Sound familiar?

The home inspector's report on the house you are buying flags the garage door: extension springs with no safety cable running through them, coils showing rust, and a door that sank when he lifted it partway. The seller has never had it looked at.

How the visit goes

Oxbow Park

How the visit goes

  1. Containment cables, present or missing

    The question the industry's own inspection checklist asks of every extension-spring door is whether each spring has a cable running through its centre, anchored at both ends. The technician checks for it on both sides, then checks its condition: a cable that is frayed, kinked, anchored to a loose screw or simply tied off to the hanger is not doing its job. Doors installed decades ago often have none at all, and doors that had a spring changed by a previous owner sometimes have one side fitted and one forgotten. Fresh containment cables go on with the new springs, and their anchor points are set into solid framing so that a spring which breaks stays on its cable.

  2. Bringing the opener back into step

    The opener is the last thing touched. Once the door balances by hand, the trolley is reconnected and the door run through several full cycles under power while the technician watches the cables ride their pulleys and the springs stretch evenly. Because the door is now lighter to move than it was on tired springs, the opener's force and travel settings are reset to suit; a force setting left high would push a balanced door too hard. Then the reversal checks are done in front of you: a block laid flat under the centre of the door, which the door must touch and reverse from, and a hand passed through the photo-eye beam while the door closes.

  3. The numbers that stay with the door

    Before leaving, the technician tells you what the door weighed, which spring rating and length went on, whether the pulleys and cables were renewed, and which hook position the cables were set to. Write it on a card by the opener or inside the door's manual. Extension springs are sold by rating and length, so the next set can be ordered from that card without weighing the door again, and a technician arriving later can see at a glance whether the door has been altered since. Add the date and roughly how many times a day the door is used; together those two facts give a fair idea of when the springs will be due again.

Extension Spring Replacement

In the van

  • Containment (safety) cables
  • Lag screws and hanger bolts
  • Replacement rollers and hinges
  • Garage-door spray lubricant
  • Lift cables

What affects the quote

Same fees day, night or weekend

  1. 1Working room around the springs

    Shelving, a stored canoe or a car parked under the tracks slows the work along the horizontal run. Clearing the sides of the garage beforehand keeps the time on the quote short.

  2. 2Weight added since the door went in

    Insulation panels, windows or a wood overlay fitted after the original springs mean a heavier rating than the old pair. The door is weighed and the quote reflects the door as it is now.

  3. 3Pulleys that need renewing

    Each side has two pulleys, and a wheel worn to a groove or a bearing that has stiffened is replaced with the springs. The quote names how many and which type.

What to have ready

0 of 3 ready

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Extension Spring Replacement: questions

What are the early signs that the springs are wearing out?

The door starts to feel heavier when lifted by hand and the opener sounds as though it is working harder. Released from the opener, the door sinks from halfway instead of holding. With the door open, gaps show between coils that used to sit tight together, or one spring hangs longer than the other. Rust bloom on the coils and a squeal from a pulley round out the list. Any of these is a good time to call.

What does the paint colour on the end of the spring mean?

Manufacturers dab a colour on the end coil to indicate the spring's weight rating, which is a handy starting point. It is not the final word: a faded or repainted end coil tells you little, and the pair on an older door may have been a near match rather than the right one. The technician treats the colour as a hint and confirms the rating from the door's measured weight and the spring's own dimensions.

Can I use the door as soon as the work is done?

Yes. The last steps of the visit are the balance test by hand, several full cycles under power and the opener's reversal checks, so the door is ready for normal use when the technician leaves. New springs need no settling period. It is worth running it yourself once or twice while the technician is still there, so you know what a properly balanced door sounds and feels like from now on.

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Extension Spring Replacement near you

From a stuck door on a winter morning to a planned replacement before the house goes on the market, the services on this page cover what garage doors in Oxbow Park typically need. Each one explains what is checked, how the work is done and what you can expect afterwards.

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