Sound familiar?Weston
- The call
- Since the new insulated panels went in, the door feels like a different animal. It closes with a thud, the opener labours where it used to hum, and lifting it by hand takes a proper heave rather than a fingertip.

Released from the opener, the door will not hold anywhere. Lift it to hip height, take your hands away, and it sinks back to the concrete, gathering speed on the way down.
Older detached garages often have extension springs stretched along each horizontal track rather than a shaft above the door. Balancing these works differently: the tension comes from how far each spring is stretched when the door is closed, and it is set by moving the cable attachment along the track hanger or changing the hook position. Both sides are adjusted equally so the door stays level, and the containment cable running through each spring is checked at the same time. The door is opened and clamped so the springs are relaxed during the work, then tested by hand across its travel until it rests where it is left.
Sound familiar?Weston
Garage Door Balance Adjustment · Weston

Scene 1
The assessment begins with the opener out of the picture. The technician closes the door, pulls the red manual release so the trolley disconnects, and lifts the door by hand to about a metre, then to full height, then lets it settle. A balanced door pauses wherever it is stopped; a door that climbs on its own has too much tension, one that drops has too little, and one that is fine low down but drifts up near the top can point to drum profile, cable length, uneven section weight or the spring's own characteristics rather than one single cause. How much effort the lift takes and whether it stays fully open are noted before anything is adjusted.
Scene 2
If one corner of the door sat high, that is corrected before the final tension is set. The technician releases the spring tension enough to take the load off the drums, loosens the set screws on the drum on the low side, takes up or lets out cable until the door is level, and locks the drum again with the cable seated snugly in its groove. The bottom of the door is checked against the floor along its whole width, and both drums are confirmed to show the same number of wraps. Only then is the spring tension brought back up, because tension applied to a crooked door simply loads one side more.
Scene 3
Once a month, with the door closed and the light on, look up at the drums and down at the bottom brackets. Each cable should wrap its drum in a single neat layer with the same number of turns on both sides, and hang taut without fraying or rust at the bottom loop. The gap under the door should be even from corner to corner. On an extension door, glance at the two springs for equal length and confirm the containment cable still runs through each. These take less than a minute and tell you the door is still level and the counterbalance still shares the load evenly.
What shapes the quoteFairhaven Garage Door Services
FeesSame any hour
As a starting point, roughly one full turn for every foot of door height, so a seven-foot door carries a little over seven turns and an eight-foot door a little over eight. The exact figure depends on the drum size and the spring's rating, so the technician winds to the estimate and then fine-tunes by quarter turns until the hand test passes at every height.
It means the springs carry nearly all of the door's weight, so the door itself feels close to weightless. Balanced, it will stay put at any partly open position when moved by hand, stay fully open on its own, and close without slamming. The opener then only has to guide the door rather than lift it, which is how it was designed to work.
Yes, and it is one of the most common reasons a door starts to sink. Springs are matched to the door's weight, and insulation kits, replacement sections, windows or a heavier seal add weight the original springs were not sized for. A technician can weigh the door and either add tension to suit it or, if the added weight is beyond what the springs can carry, specify new ones.
TorontoOntario
Garage Door Balance Adjustment · Toronto, Fairhaven, Humberlea, Kingsview Village, Martin Grove Gardens, Pine Point, Princess Anne Manor, Richview Gardens, St. Phillips, Westmount
Every square is one home in a hundred.
On-site assessment
Released from the opener, the door will not hold anywhere.
(289) 804-2651, open 24/7.
On-site assessment preferred · (289) 804-2651, open 24/7