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MountJoy Door & Opener Co.Open 24/7 (289) 301-7401
A person holding a clipboard examines the interior hardware of a closed garage door. — Garage Door Tune-Up, Markham

Repairs · Markham

Garage Door Tune-Up

Twice this week the door started closing, stopped a metre from the floor and reopened on its own. One of the little sensor lights near the floor blinks instead of glowing steady, and the wall button has to be held to close it.

In plain words

A garage door tune-up is preventive care for a door that still works. Instead of waiting for a part to fail, a technician goes over the whole system while it is operating: the hinges, rollers and tracks, the springs and cables that carry the weight, the fasteners that vibration loosens, and the opener with its sensors and reversal. Loose hardware is tightened, the right points are lubricated with the right product, the balance is checked and the safety tests are run. You end the visit with a door that runs more smoothly and a clear account of anything that deserves its own repair.

Sound familiar?Markham

The call
On windy nights the door rattles in its frame, there is a line of daylight along one side, and the bottom seal has gone hard and flat. Leaves and fine snow drift in underneath and the garage never seems to hold its temperature.

NextHow the visit goes

Garage Door Tune-Up · Markham

How the visit goes

Technician in a cap and safety glasses fitting a paneled garage-door section against the track hinges, with a drill on the floor.
  1. Scene 1

    The opener's connections and safety devices

    The opener is inspected as part of the door system, not as a separate appliance. The technician checks that the rail is firmly attached at the header and the ceiling hangers, that the chain or belt has the right sag, that the trolley and door arm are not worn or bent, and that the arm sits at the angle the manufacturer intends when the door is closed. Photo-eyes are located and their height measured, since the beam belongs no higher than about 15 centimetres off the floor. Indicator lights are read: steady means aligned, blinking means the pair are not seeing each other. The wall control and the red manual release are confirmed present and reachable.

  2. Scene 2

    Setting travel and force on the opener

    The opener has two settings that drift over time: how far the door travels, and how much force it applies before deciding something is in the way. The technician runs the door and adjusts the down travel so the door seals firmly on the floor without bowing the top section or crushing the seal, and the up travel so it stops fully open without the trolley hitting the stop. Force is set as low as will reliably close the door, because a low force setting is what lets the door reverse gently on contact. On a sectional door the arm is kept from passing straight up and down at the closed position, which protects the top section and the rail.

  3. Scene 3

    Knowing what to listen for next

    Part of the handover is a short lesson in the door's language, so the next change registers. A squeak returning means the hinge pins want lubricant. A new rattle at the top of travel means a screw is loosening and is worth a look. A door that starts to sink when lifted by hand is springs losing tension. A loud bang from the garage with the door then feeling very heavy is a broken spring, and the door stays closed until it is replaced. A door that reverses on its own with no obstruction is a sensor or force issue. With these signs in mind you can describe a problem precisely and decide whether it needs a call.

In the van

  • Silicone or lithium garage door lubricant
  • Replacement hinges
  • Jamb and header weatherstrip
  • 2x4 test block and tape measure
  • Hinge screws and track bolts

What shapes the quoteMount Joy Door & Opener Co.

Single or double door
A double-width door has more hinges, rollers and track to inspect and lubricate, a heavier counterbalance and usually a strut or two on the top section, so it takes longer than a single door.
Condition of rollers and hinges
Worn rollers or a cracked hinge found during inspection can be replaced on the spot if you choose, and each replaced part is listed as its own line on the quote.
Bottom seal and weatherstrip
Treating existing seals is part of the tune-up; replacing a torn bottom seal or renewing hardened jamb weatherstrip is additional material and time, quoted by the length involved.

FeesSame any hour

Have it ready

Before you call · 0 / 3

(289) 301-7401

Things people wonder

My door has a lock bar. Should it be used with an opener?

Not while the opener is connected. If the slide lock is engaged and someone presses the remote, the opener pulls against a locked door and can bend the top section or strip its gear. On a door driven by an opener the lock is usually disabled or removed during a tune-up, and the opener's own hold on the door provides the security. If you want a manual lock for holidays, the technician can show you how to use it safely with the opener unplugged.

The sensor light is blinking. What does that mean?

On most openers a steady light on each photo-eye means the pair are aligned and seeing each other, and a blinking light means the beam is interrupted or the sensors are out of line. Common causes are a bracket nudged by a bin or a tire, dust or salt film on a lens, low sun at a certain hour, or a chafed wire. During a tune-up the lenses are cleaned, the brackets straightened, the pair realigned and the wiring checked back to the opener.

How do I test the safety reversal at home?

Two tests, once a month. With the door open, press close and wave a broom handle through the photo-eye beam near the floor: the door should stop and go back up. Next, set a 2x4 flat on the concrete in the middle of the opening and press close: the door must reverse when it meets the board. If it stops on the board without reversing, the down travel or force setting needs adjustment, and if it fails after that, book a visit.

Markhaminformation

YorkOntario

Garage Door Tune-Up · Mount Joy, Box Grove, Cedar Grove, Locust Hill

Town
Markham, York
In business
30 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.

  • 19 in 100 homes · newer homes
  • About 19% of homes in Markham were built in 1980 or earlier, according to the 2021 Census.Newer garages tend to have generous headroom and a finished ceiling, so options such as a jackshaft opener mounted beside the door, or a high-lift conversion for a car hoist, are practical. The technician checks the space and explains what would fit.
  • Single-detached houses make up about 56% of homes in Markham (2021 Census).Where housing types are mixed, some doors belong entirely to the homeowner and others are subject to a condo corporation's rules on colour and style. Before recommending a replacement door we ask who has a say, so the door chosen is one that can actually be installed.

Source: Statistics Canada, Census Profile

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On-site assessment

Request a visit.

Twice this week the door started closing, stopped a metre from the floor and reopened on its own.

(289) 301-7401, open 24/7.