Springs · Richmond Hill
Garage Door Roller Replacement
One of the little wheels along the edge of the door has a chunk missing, another sits crooked in its hinge, and there is a fine grey dust on the floor under the track where plastic has been wearing away.
In plain words
Winter is hard on rollers. Slush carried in on the tires freezes in the foot of the track, wheels skid across the ice instead of turning and wear flat spots, and salt eats into steel stems and bearings at the lowest positions first. By spring a door that was merely a little noisy is juddering. Roller replacement after a hard season puts fresh wheels and bearings under the door, and the technician clears the salt from the lower track and inspects the bottom brackets and cables that share the same wet corner, so the door heads into the next winter in better shape.
How the visit goesOne of the little wheels along the edge of the door has a chunk missing, another sits crooked in its hinge, and there is a fine grey dust on the floor under the track where plastic has been wearing away.
Garage Door Roller Replacement
How the visit goes
Weight and build of the door
A single-skin steel door, an insulated double-skin door and a solid wood door place very different loads on their rollers, and the top rollers on a heavy door carry the most, since they travel furthest along the horizontal track under load. The technician identifies the door's construction and approximate weight, checks whether the end stiles carry single or double hinges, and looks at the rating of the rollers currently fitted. Many heavier doors left the factory on light plastic wheels intended for the lightest door in the range. Matching the new set's load rating and bearing count to the actual door is what makes the replacement last.
Middle rollers, one hinge at a time
The rollers at the section joints sit in the edge hinges, and each is changed in turn. The technician loosens the hinge fasteners just enough to swing the hinge leaf and ease the old roller out of the track, seats the new roller in the hinge, guides its wheel back into the channel and refastens the hinge with the section held square. Because every other roller stays put while one is out, the door never loses its alignment. Numbered hinges go back to their own rows, since each row holds its wheel at a slightly different offset to follow the graduated spacing of the track.
Looking after nylon rollers
Modern nylon rollers ask for very little. Twice a year, glance along each track with the door closed for a wheel that sits crooked, a cracked tire or a stem that has begun to wobble. Give the hinge knuckles a short burst of garage door lubricant once or twice a year, and leave the wheels and track dry; lubricate bearings only if the roller's maker calls for it, since some are sealed or built to run without added grease. Keep the bottom of each track swept clear of leaves, grit and, in winter, slush. Rollers with sealed bearings need even less, since the seal keeps dirt and moisture away from the balls; a wipe and a look is enough.
Garage Door Roller Replacement
In the van
Bottom brackets
Replacement numbered hinges
Jamb bracket fasteners
1-1/2 inch reversal test block
Long-stem rollers for double hinges
Garage Door Roller Replacement
What affects the quote
Number of sections and rollers
A four-section door carries ten rollers and a five-section door twelve; taller doors with more sections, or doors fitted with extra rollers at the top, add to the set, and the quote follows the count.
Balance adjustment first
If the door drifts when released at halfway, the spring system needs adjusting before new rollers are fitted so they do not wear early; that adjustment is quoted as its own line.
Residential or commercial track
Three-inch commercial track takes larger, heavier rollers and usually a heavier door behind them, and both the parts and the method of securing the door differ from a residential job.
What to have ready
- Are there two hinges stacked at the ends of each section, or one?
- Is the track the two-inch residential size or a wider commercial track?
- When were the springs last replaced, if you know?
Garage Door Roller Replacement: questions
QuestionsWhat can I do before the technician arrives?
Move vehicles out of the garage and clear anything stored against the walls near the tracks so both sides are reachable from floor to ceiling. If it is safe to do so, note where in the travel the noise or hesitation happens and whether any wheel looks chipped, crooked or riding on the track edge. Have the door's make and the date of any spring work handy if you know them. Leave the door as it is; there is no need to lubricate or adjust anything first.
Do nylon rollers need lubricating?
The nylon tire itself needs none; spraying it or the track only collects dust that grinds the wheel. The hinge knuckles and stems where they turn benefit from a light coat of garage door lubricant once or twice a year, worked in by running the door. The ball bearings themselves are lubricated only where the roller's own maker calls for it, since some nylon rollers should not be greased there. Rollers with sealed bearings come greased from the factory and need only a wipe and a look.
What is the difference between two-inch and three-inch rollers?
The figure is the wheel diameter, and it has to match the track. Residential sectional doors run on two-inch track and take a two-inch wheel; commercial doors can run on either two-inch or three-inch track, so the wheel is matched to what is actually installed. Wheel size has little to do with noise, which comes from the wheel material and bearings. The technician measures the track and the existing wheel before ordering so the set fits, since a mismatched wheel either jams in the channel or rattles around in it.
Related services
- Garage Door Track Repair or ReplacementThe door climbs crooked, one side clearly ahead of the other.
- Garage Door Cable ReplacementAfter years of slushy winters the cables look thinner near the bottom brackets, with rust streaks running down the door where they attach.
- Torsion Spring ReplacementOn a cold morning the remote does nothing useful: the light comes on, the motor turns briefly, the door stays shut.