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CootesParadise Garage Door ProsOpen 24/7 (289) 203-1011
Two detached extension springs with hooked ends on a garage bench. — Extension Spring Replacement, Harmony Hall II

Springs · Harmony Hall II

Extension Spring Replacement

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.

In plain words

Every extension spring should carry a containment cable, and replacement is the moment to make sure yours do. A containment cable runs through the centre of the spring and is anchored at both ends, to the rear hanger and to the bracket at the front of the track. It does no lifting; its purpose is to hold a spring that breaks so the pieces stay on the cable. Many older doors predate this practice, which a home inspection checklist checks for. When springs are replaced, new containment cables are fitted with them, which keeps a broken spring's pieces contained, not the door's weight, balance or safety.

Sound familiar?Harmony Hall II

The call
Open the door by hand and it drifts back down on its own, a little at first and then all at once. Nothing is broken that you can see, but the springs along the tracks look tired, rusty and slightly sagging.

NextHow the visit goes

Extension Spring Replacement · Harmony Hall II

How the visit goes

Dark wall-mounted box with a plug-in adapter and sensor beside a garage door, above a workbench with a drill and screws. — Harmony Hall II
  1. Scene 1

    The rest of the door, and why the spring went

    A spring rarely fails on its own, so the first look ends with the door it was lifting. The technician checks the rollers for cracked wheels and bent stems, the hinges for splits, the track for a bend or a bracket pulled off the jamb, and the bottom section for a dent that catches. The opener's force setting is noted, since an opener turned up to compensate for tired springs will overpower the new ones. And the history matters: a door recently fitted with insulation panels or windows weighs more than the springs were chosen for, and a door that has been closed onto snow or a bin has had its cables jolted.

  2. Scene 2

    Threading the containment cables

    Before a spring is hung, a containment cable is fed through the centre of its coil. One end is anchored at the rear, to the hanger or the framing behind it, and the other is run forward past the pulley and fixed to the bracket at the front of the track or to the wall, with enough slack that the cable never carries load while the spring works. The cable is checked to be clear of the pulley wheel and the lift cable so nothing rubs. Both sides are done the same way, whether or not the old installation had them. A spring that breaks in future is held on the cable rather than crossing the garage.

  3. Scene 3

    A door that lifts as it was designed to

    The difference is felt the first time you pull the release cord and lift the door yourself. It rises with one hand, pauses where you leave it, and comes down at the speed you lower it rather than dropping the last stretch. Under power, the opener runs without the strain in its note that had crept in as the old springs tired, and the door reaches the floor evenly along the seal. Both springs now stretch to the same length as the door closes, both pulleys turn without a squeal, and the cables lie in their grooves. A door in this condition puts little wear on the opener, which is good news for the motor.

In the van

  • Replacement rollers and hinges
  • Lag screws and hanger bolts
  • Rear spring hangers and angle iron
  • Garage-door spray lubricant
  • Bottom brackets and clevis pins

What shapes the quoteCootes Paradise Garage Door Pros

Rollers, hinges and bottom brackets found worn
Cracked roller wheels, split hinges or a bottom bracket rusted at the cable pin are pointed out during the inspection and offered as optional items, since the door is already open and secured.
Time of the call
An evening, weekend or holiday visit costs the same amount as a weekday daytime appointment for an extension-spring replacement. The technician confirms the exact figure once the springs, cables and door weight have been checked on site.
Hangers and anchor points
A rear hanger that has loosened, a front bracket bent by a jumped cable, or framing that needs a new anchor point adds fasteners, angle iron and a little time.

FeesSame any hour

Have it ready

Before you call · 0 / 3

(289) 203-1011

Things people wonder

How long do extension springs last?

Springs are rated in cycles, one cycle being a full open and close, and a standard set is built for a number in the ten-thousand range. A door used four times a day gets through that in several years; a door used a few times a week takes far longer. An unheated, damp garage shortens the figure through rust. Regular lubrication and a door kept in balance stretch it out.

What if the spring hanger has pulled loose from the ceiling?

It is put right as part of the job. The rear hanger takes the full pull of the spring on every cycle, and lag screws driven into thin plywood, a split joist or drywall work loose over the years, which is often why a door slowly goes out of balance. The technician re-fixes the hanger with fresh lag screws into solid framing, or adds a length of angle iron to reach it, before the new springs are hung.

Why does the opener get adjusted after new springs?

Because the door is now much lighter for the opener to move. Over the years, as the old springs weakened, the opener's force setting may have been turned up to keep the door going, and its travel limits were set against a door that sat differently on the floor. Left alone, that extra force would push the newly balanced door too hard. Resetting force and travel, then repeating the reversal tests, matches the opener to the door it now has.

Harmony Hall IIinformation

HamiltonOntario

Town
Harmony Hall II, Hamilton
In business
35 years
Hours
Open 24/7
Nights, weekends and holidays, same fees
Visits
On-site assessment preferred. Request a visit or call.

2021 census: what it means at the door

Every square is one home in a hundred.

  • 61 in 100 homes · older homes
  • About 61% of homes in Hamilton were built in 1980 or earlier, according to the 2021 Census.Hardware on an older door has often been through many winters: hinges with worn pins, rollers with tired bearings, bottom brackets rusted at the floor line. Replacing these in sets restores a smooth lift and takes a surprising amount of noise out of the garage.
  • Single-detached houses make up about 56% of homes in Hamilton (2021 Census).Where houses and attached homes sit together, the shared garage door on a small condo building may be a commercial operator on a heavy door, while the house next door runs a light residential unit. We service both types and carry parts for each.

Source: Statistics Canada, Census Profile

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On-site assessment

Request a visit.

You pulled the red cord to open the door during a power cut and it barely moved.

(289) 203-1011, open 24/7.