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MiddlesexGarage Door Co.
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A person holding a clipboard examines the interior hardware of a closed garage door. — Garage Door Tune-Up, London
A person kneels beside the side track and hinges of a closed sectional garage door. — Garage Door Safety Inspection, London

Repairs · London

Garage Door Tune-Up in London

Since the first cold snap the door has been sluggish.

Call (226) 781-6385

In plain words

A tune-up is also a safety check of the opener. Openers made since the early 1990s carry two ways of protecting anything in the door's path: photo-eyes near the floor that reverse the door when the beam is broken, and a contact reversal that sends the door back up if it meets resistance. The technician cleans and aligns the sensors, then tests both: an object waved through the beam while the door closes, and a 2x4 laid flat under the centre of the door. A door that reverses cleanly on both is doing what its maker intended, and you learn how to repeat the test yourself each month.

Sound familiar?

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.

How the visit goes

Garage Door Tune-Up

How the visit goes

Ceiling-mounted garage-door opener with a red release cord, a blue stepladder below and a cordless drill on a workbench. — London
Blue stepladder with a yellow drill and a red tool on top, beside a curved metal door track and a cream door. — London
  1. Your history of the door

    The technician also asks you a few plain questions, because you have been living with this door every day. When did the noise start? Does the door behave differently in cold weather? Has anything struck it, or has a storm bent anything? Does it ever reverse on its own? Has anyone worked on it before, and is there paperwork or a model label? Are the remotes and wall button doing what you expect? None of this replaces the physical inspection, but it points attention to the right place and often explains a finding, such as a track that was knocked by a bumper months ago. Your answers go into the written record too.

  2. Lubricating the right points and skipping the wrong ones

    Each moving joint gets a small amount of silicone- or lithium-based lubricant: hinge pins, steel roller bearings, spring coils, the bearing plates at the torsion shaft ends, the centre bearing and the lock. The technician works the door a few centimetres by hand so the lubricant spreads into the bearings. What is not lubricated matters just as much: track surfaces are wiped clean and left dry so rollers roll rather than slide on a film that gathers grit. Nylon tires are left untreated, though an exposed nylon-roller bearing gets lubricant where its maker calls for it. The chain or belt is handled only as the opener maker directs, and excess is wiped off so it never drips onto a vehicle.

  3. Two safety tests you can repeat every month

    You leave knowing how to run the same two tests the technician ran. With the door open, start it closing and wave a broom handle through the photo-eye beam: the door should stop and return fully open. Then lay a 2x4 flat on the floor under the centre of the door and close it: the door should reverse when it touches the board. Manufacturers ask for both tests monthly and after any adjustment. A door that stops on the board rather than reversing needs its down travel or force reset, which the record explains, and a door that fails again is a reason to call. The tests take two minutes and are the heart of a safe opener.

Garage Door Tune-Up

In the van

  • Silicone spray for seals

  • Jamb and header weatherstrip

  • Lag screws for brackets and header

  • 2x4 test block and tape measure

  • Photo-eye brackets and wire

Technician in safety glasses and tan-patched gloves fitting tools to a spring bracket above a gray door, beside a blue stepladder. — London

Garage Door Tune-Up

What affects the quote

  1. Type of opener

    Chain, belt, screw and wall-mounted jackshaft openers each have their own tension checks and lubrication points, and older units take longer to set for travel and force than newer ones.

  2. Upgrades you choose on the day

    Quieter nylon rollers, a new bottom seal profile, a keypad or a battery backup for the opener are options some customers add while the technician is there, each priced as a separate line.

  3. Number of doors

    Two or three doors on the same property are usually serviced in one visit, and the second and third door are quoted at a different rate from the first because the travel is shared.

What to have ready

  • Is the door a single or a double, and what is it made of?
  • Can you lift the door by hand with the opener disconnected, and does it stay up?
  • Are the remotes, wall button and keypad all working as expected?
Call (226) 781-6385

Garage Door Tune-Up: questions

Questions
What kind of doors and openers do you service?

Residential sectional doors of every common construction: steel, insulated steel, aluminum and glass, wood and composite, single and double width, with torsion springs above the header or extension springs beside the horizontal tracks. Openers of all the usual types are covered too, including chain drive, belt drive, screw drive and wall-mounted jackshaft units. If the door is a one-piece tilt-up or a commercial rolling door, mention that when booking so the right hardware comes along.

How long does a tune-up take?

For a single or double residential door with an opener, allow roughly an hour to two hours on site. The inspection and the two observed cycles take a fixed amount of time; the rest depends on how many fasteners have loosened, whether the sensors need realigning and whether you approve a small part replacement, such as a worn roller, during the same visit. Spring or cable work, if found necessary, is scheduled as its own job.

Can you replace my rollers with quieter ones during the tune-up?

Often, yes, if you decide you want them and stock is on the truck. Nylon rollers with sealed bearings run noticeably quieter than plain steel rollers and need no lubricant. Rollers on the middle sections can be changed with the door clamped in the track; the bottom rollers sit in the bottom brackets, which hold spring tension, and are changed as part of a separate job. The technician can tell you how many are worn and what the change would involve.

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