Repairs · Mississauga
Garage Door Panel Replacement
Years of slap shots have peppered the lower two sections with dents.
In plain words
A brand-new section beside sections that have weathered ten summers will look brighter, and it is worth knowing that before the order goes in. Paint fades gradually on the existing sections, but the new one does not reliably converge with them, and a visible difference can remain for good. Where the difference matters, the options are to repaint the full door in the current colour, to choose a different colour for the whole door, or, on an older door, to replace all the sections together. The technician shows you the manufacturer's current colour against your existing finish so the decision is made with open eyes.
How the visit goesRust has crept along the bottom edge of the lowest section. What began as bubbling paint is now a soft, flaking strip, the seal retainer is working loose, and a screwdriver pressed against the worst spot goes through the steel.
Garage Door Panel Replacement
How the visit goes
What the impact did to everything else
Trade-association guidance is clear that after a vehicle strike, a storm or a freeze-up the whole door is looked at, not just the dented part. The technician runs a hand along the hinges for cracks and pulled screws, spins each roller for flat spots and bent stems, sights down both tracks for kinks and checks the brackets that hold them to the jambs. Cables are inspected for fraying where they wrap the drums, spring anchors and the centre bearing plate are checked, and the opener arm and its bracket are examined for bending. Anything the impact disturbed goes on the list alongside the section.
Releasing tension for a bottom section
The bottom section is the one place where the lift cables attach, and those cables are held taut by the springs. Before its brackets are unbolted, the technician takes the energy out of the system. On a torsion door that means fitting winding bars into the cone and unwinding the spring turn by turn while the set screws are loosened; on an extension-spring door it means propping the door open and unhooking the springs. With the cables slack, the bottom brackets, the seal retainer and the section itself can be removed safely. The same steps are reversed at the end, and the door's balance is set fresh.
Hinges, rollers and a monthly minute
The new hinges and rollers benefit from the same light care as the rest of the door. Once a month, with the door closed, glance along the hinges for a screw that has backed out and give the rollers a spin to feel for roughness. Twice a year, put a small amount of garage-door lubricant on the hinge pivots, roller stems and bearing plates, wiping off the excess so it does not gather dust. Springs can take a light film too. Tracks should stay dry and clean rather than greased, since grease there collects grit and makes the rollers skate.
Garage Door Panel Replacement
In the van
Horizontal reinforcement strut
Touch-up paint
Bottom seal retainer and astragal
Nylon or steel rollers
Numbered section hinges
Garage Door Panel Replacement
What affects the quote
Spring work required
A bottom section means torsion springs are unwound and rewound, or, on an extension-spring door, the door is raised and secured so the springs relax and its hooks and cables are reset instead. A section changing the door's weight may call for a balance adjustment.
Reinforcement struts
If the section had a strut that bent, or if a top or wide section is to gain one it never had, the strut and its fasteners appear as their own line on the quote.
Construction and insulation
An uninsulated steel section, a polystyrene-cored section and a polyurethane-injected section with a steel backer are different products, and the replacement has to match the construction the door already has, which sets the part's line on the quote.
What to have ready
- Does the damaged section have windows in it?
- Can you find a label or sticker with the manufacturer's name on the door or track?
- Which section is damaged: the bottom, the top or one in the middle?
Garage Door Panel Replacement: questions
QuestionsIs 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.
What happens if my door's design has been discontinued?
It happens with older doors, since embossing patterns, joint profiles and colours change over the years. The technician looks for the nearest current section from the same manufacturer and describes how it would differ in look and fit. Sometimes the difference is minor and acceptable; sometimes the joint no longer mates. In that case the options are a section from a compatible series, or replacing the door as a whole, and both are explained before anything is ordered.
How do I know whether the damage is only cosmetic?
Watch the door move. A cosmetic dent leaves the section flat at the joints, the door travelling without a catch, and the hinges and rollers seated normally. Signs that the damage goes further include a crease that reaches a joint or stile, a hinge screw that has pulled out, a roller sitting crooked in the track, a gap of daylight at a joint, or a shudder as that section reaches the track curve. Any of those calls for a proper assessment.
Related services
- Garage Door Tune-UpThe door lands with a thud you can feel through the kitchen floor, and sometimes it bounces back up a few centimetres before settling.
- Off-Track Garage Door ResetOne side of the door hangs a hand's width lower than the other.
- Garage Door Bottom Seal ReplacementOne end of the bottom seal has slipped out of its channel and hangs down like a loose shoelace.