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Dickson HillGarage Door Repair Co. · MarkhamOpen 24/7(289) 301-3507Request a visit
Hands driving a screw with a yellow cordless impact driver into a perforated steel track beside a white garage door panel.

Garage Doors · Markham

Helpful reading

The guides below are the explanations we give on site, written down. They cover the parts, the wear, the seasons and the upgrades, so you can revisit them whenever the door raises a question.

Frequently asked questions

A person kneels beside the side track and hinges of a closed sectional garage door. — Garage Door Safety Inspection, Markham

Repair & Maintenance

Does winter change what you look for?

Yes, mostly at floor level. Months of slush and road salt reach the lowest hinges, the bottom brackets and the loop of each cable before anything else on the door, so those get a close look for rust. The technician also checks whether the bottom seal has been freezing to the slab, how the drive has coped with cold, stiff starts, and whether frost or salt film has been blinding the sensors near the floor. Garage Door Safety Inspection

Should I lubricate the tracks?

No. Tracks should be clean and dry. Rollers are meant to roll along the track on their own bearings, and a film of lubricant on the track collects grit, thickens in the cold and makes the rollers slide and drag instead. Wipe the tracks with a rag and put the lubricant where it belongs: on the hinge pins, the roller bearings, the spring coils and the bearing plates at the ends of the torsion shaft. Garage Door Tune-Up

Should I lubricate the track to help the rollers?

No. The track is meant to be clean and dry; grease on the rail gathers dirt and makes the wheels slide rather than roll, which wears them faster and can contribute to a roller leaving the rail. Put a silicone spray made for garage doors, or a lithium grease, on the hinge pins, roller bearings and spring coils, wipe off the excess, and give the tracks nothing more than a damp cloth. Off-Track Garage Door Reset

Is a panel the same thing as a section?

In everyday speech, yes: people call the horizontal pieces of a garage door panels. In the trade's own terminology a section is the full-width piece that hinges to its neighbours, and a panel is one of the raised or recessed shapes embossed across it, so a door might have four sections of four panels each. When you ask for panel replacement, the technician understands you mean the section, and will confirm which one. Garage Door Panel Replacement

Steel and nylon garage-door rollers with long stems lie beside a detached hinge on a workbench. — Garage Door Roller Replacement, Markham

Springs & Hardware

Why does the door shake as it rounds the curve of the track?

The curve is where each roller changes direction under load, so it exposes wear that straight travel hides. A wheel worn oval or flat-spotted bumps as it turns the corner, a wobbling stem lets the section lean back as it enters the horizontal run, and a track whose radius has been knocked out of shape pinches or drops the wheel for an instant. Fresh rollers of the right size in a track that has been checked for shape and spacing usually take the shudder away. Garage Door Roller Replacement

Why is there a gap opening between two panels as the door goes up?

The two panels at that joint are no longer being held together on one side. A hinge that has cracked through, pulled its screws or lost its pin lets the panels hinge open around the remaining hardware, and the gap shows as they round the curve where the joint flexes most. Replacing the failed hinge, and checking its partner on the other end, brings the panels back into line. Garage Door Hinge Replacement

Will track work involve the springs?

Sometimes. The flag bracket at the top of the vertical track usually carries the bearing for the torsion shaft, so if that bracket or the curve has to move, the springs are unloaded first with winding bars and rewound afterwards to the same turns. Simple work on the vertical run below the curve, or on the horizontal hangers, can often be done with the springs left alone. Either way the door is balance-tested at the end. Garage Door Track Repair or Replacement

What stops the door from falling if a cable lets go?

It depends, and not reliably. The other cable and its spring may hold that corner so the door tips and wedges in the track rather than falling square, and the rollers binding can add some resistance, but neither is dependable: the door can still drop unexpectedly on the failed side. Some doors also carry a broken-cable device on the bottom bracket that grips the track if a cable fails. Because the door may not be held at all, the technician clamps and supports it before doing anything else. Garage Door Cable Replacement

Person holding a multimeter and a red probe near the exposed circuit board of an overhead garage-door opener. — Garage Door Opener Diagnosis and Repair, Markham

Openers & Access

How old is too old to repair?

Age alone is not the test; parts and safety are. The technician checks the exact model and part numbers, because even a unit from the last two decades can have a board, sensor or trolley that is no longer made. Where the parts are available, a repair is usually straightforward. Where a key part is discontinued with nothing to replace it, or the unit predates photo eyes, replacement is the sounder choice even for a small fault. The technician tells you which side of that line your unit sits on. Garage Door Opener Diagnosis and Repair

What should I check before calling?

With the door closed, pull the red handle and try lifting the door by hand; note whether it is heavy or stays up on its own. Look at the chain for slack, rust or a broken link, and at the head for pale shavings. Note whether the motor runs at all, whether the door stops short or reverses, and where the trolley sits on the rail. The model on the head's label and a photo of the rail help too. Chain-Drive Opener Repair

Is a belt drive harder to repair than a chain drive?

No, just different. The belt is lighter, runs dry and is replaced as one length with a clip, where a chain has links and takes grease. The tensioning at the trolley works the same way on both, and the sprocket, idler and trolley are similar parts. What a belt drive rewards is care with tension and a straight rail, because it is chosen for quiet and shows any fault as noise. Belt-Drive Opener Repair

What happens to the old opener?

The technician takes it away. The steel rail, chain and angle iron go to metal recycling and the head unit, with its motor and circuit board, goes to electronics recycling rather than the landfill. Old remotes are cleared from memory before they are discarded or handed back to you, and any wiring that is not being reused is removed from the ceiling and walls so the garage is left tidy. Garage Door Opener Replacement

Closed white sectional garage door at an ordinary brick house. — Sectional Garage Door Replacement, Markham

Installation & Upgrades

Can the existing tracks stay with the new door?

A replacement is planned with track designed for the selected sections and hardware. Door thickness, completed weight, roller position, available headroom and operator location can all affect compatibility. Using the matched track package lets the sections and counterbalance operate as the system was designed, with geometry that can be checked during installation. Sectional Garage Door Replacement

What information should I receive at handover?

Keep the door and opener manuals, product identification, care instructions and a description of the installed hardware. The closeout should also note manual balance, full-cycle travel and applicable safety tests. Window, finish and seal details help with future care, while model and component records make later parts selection more accurate than relying on appearance alone. Insulated Steel Garage Door Installation

Can my existing garage door opener stay?

That depends on its condition, compatibility, rail geometry, mounting, and ability to operate the balanced replacement. The opener is assessed after the new door weight and reinforcement arrangement are known. If it remains suitable, it is connected through the specified operator bracket, then its limits, force settings, sensors, manual release, and reversal response are reset and tested. Wind-Rated Garage Door Replacement

What happens if the garage floor is not level?

The survey measures the variation and determines how the bottom section and seal can meet it. A flexible astragal can accommodate modest changes, while a pronounced crown, dip or damaged threshold may call for related floor or threshold work. The door itself is installed level for reliable travel; the sealing approach is selected separately to follow the practical shape of the floor. Carriage-House Garage Door Installation

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Dickson Hill Garage Door Repair Co.

Garage Doors · Markham

Open 24/7

(289) 301-3507

32 years in business

Open 24/7 · call(289) 301-3507Request a visit