Repairs · Mississauga
Garage Door Tune-Up
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.
In plain words
Garage doors here live through a wide swing of seasons, and a tune-up before winter pays for itself in smooth mornings. Cold thickens tired lubricant and stiffens steel, so a door that ran fine in September can groan in January. Rubber seals go hard, meltwater freezes the bottom seal to the slab, and road salt works on the lower hardware. The fall visit replaces old lubricant with a low-temperature product, treats the seals with silicone and checks the threshold, since a door frozen to the slab should be freed and dried rather than forced by the opener.
How the visit goesOn 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.
Garage Door Tune-Up
How the visit goes
Sorting the sounds by where they live
Noise is the most common reason a tune-up is booked, and every sound has an address. A high squeak that repeats with each section movement points to dry hinge pins. A rumbling that follows the door up and down usually comes from roller bearings. A sharp rattle at the top of travel is often a loose track bracket or hinge screw. A rhythmic slap along the ceiling is a slack chain on the opener rail. A pop or crack as the door starts is worth a closer look at the springs and drums. The technician places each sound, then checks that spot directly rather than lubricating everything and hoping.
Cleaning and aligning the photo-eyes
Photo-eyes work only when each sensor can see the other. The lenses are wiped clean of dust, cobwebs and salt film, the brackets are checked for the bends that a bin or a bicycle tire leaves behind, and the pair are aligned until both indicator lights hold steady. Height is confirmed at no more than about 15 centimetres off the floor, and the wiring is traced back to the opener head for a chafed or loose connection. Where low sun fools a sensor at a certain hour, a small shade or swapping the two units settles it. Once aligned, the beam is tested with the door closing to confirm it reverses and returns fully open.
A door you hear less and trust more
The most noticeable change is the sound. With the hinge pins and roller bearings lubricated and the loose hardware tightened, the squeal and the rattle that woke the household are gone or reduced to a low hum of rollers in a clean track. The door starts without the shudder and lands on the floor with a soft contact instead of a slam. Because the technician ran the same cycle before and after the work, you can hear the difference for yourself before they leave, and the sounds that remain, if any, are explained: what they are, which part they come from and whether that part is worth replacing now or watching for a season.
Garage Door Tune-Up
In the van
Silicone or lithium garage door lubricant
Silicone spray for seals
Photo-eye brackets and wire
Bottom seal (astragal)
Replacement hinges
Garage Door Tune-Up
What affects the quote
Balance findings
If the balance test shows the springs have lost tension, spring adjustment or replacement is a separate job with its own quote rather than part of the maintenance visit.
Door construction and weight
A heavy wood or insulated steel door works its hardware harder than a light aluminum one, and the balance check and fastener work take a little longer on the heavier door.
Track alignment
Tightening track bolts is included. A track that has been pulled out of line or dented by a vehicle needs straightening or a section replaced, and that is quoted as its own repair.
What to have ready
- Are the springs mounted above the door or along the sides beside the tracks?
- Where in the door's travel does the problem happen?
- Is the door a single or a double, and what is it made of?
Garage Door Tune-Up: questions
QuestionsWhat happens if a broken spring is found during the tune-up?
The door is left closed and not operated with the opener, because a door with a broken spring weighs its full weight and can drop. The technician explains what was found, shows you the break, and quotes the spring replacement as its own job, usually replacing both springs on a two-spring door so they wear evenly. The rest of the tune-up either waits or continues on the parts that can safely be serviced with the door down.
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.
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.
Related services
- Off-Track Garage Door ResetThe rollers on the door have been squealing for months.
- Garage Door Panel ReplacementAfter an overnight freeze the door stuck to the slab, the opener strained, and something gave.
- Garage Door Bottom Seal ReplacementAfter a spring rain there is a puddle inside the door that reaches the tires.