Home › Guides › Fix or replace
Guide
Fix or replace: the straight answer.
Half our patch is older doors, and the question every owner of one eventually asks is the same: is this door worth another repair? Here's the exact call we make at the door, written out so you can make most of it yourself from the driveway.
The one-line rule
Spend on the mechanism while the door itself is sound. Stop spending when the door itself is gone.
A garage door is two things wearing at different speeds: the mechanism (springs, cables, rollers, hinges, tracks, opener) and the door (the panel or curtain and the frame it runs in). Mechanism parts are consumables; they're designed to wear and be replaced, and replacing them is what a repair is. The door itself is the asset. While it's straight, square and solid, it can outlive several sets of springs. Once it's rusted through, sagged or delaminated, no mechanism repair can buy it back.
Faults that are repairs, almost always
- A snapped torsion spring. The most dramatic fault a door has and one of the most routine repairs. Nobody should be quoted a new door because a spring let go.
- Frayed or snapped cables. Consumables under tension. Replaced in pairs, matched to the door.
- Worn rollers, dry tracks, a door gone noisy. Service-grade work.
- A dead or dying opener. The opener is an appliance bolted to the door. Replacing it is not replacing the door, and a good door with a new opener runs like new.
- One damaged panel on a modern sectional where the profile is still in production: often a single-panel swap, not a whole door.
Signs the door itself is done
- Rust through the bottom rail or the bottom of the curtain, not just on the surface. Once the steel is perforated, the door's structure is going, and on Wyong's flats this is the classic ending. Our damp guide covers why.
- A panel sagged out of square. If the diagonals of the door differ visibly, the door is racking; it will bind, jump and chew mechanisms for the rest of its shortening life.
- Delaminating or cracking panels on older composite doors.
- Parts that no longer exist. Some first-generation tilt hardware and early opener lines are simply out of production. When every repair means improvising, the honest advice changes.
- The pattern, not the incident. Three call-outs in a year for three different faults is a door telling you something one repair can't fix.
Three worked examples
These are worked scenarios, not real jobs; we're new on this patch and won't pretend otherwise. They're the shape of calls every garage-door tech makes weekly.
The 1970s tilt door that's gone heavy
Old Wyong street, one-piece tilt door, original hardware. It's drifted down over years from "one hand" to "put your back into it". The panel is timber, still straight; the pivots and springs are worn out. Verdict: repair. New springs and pivot hardware bring a sound tilt door back to one-hand weight. The panel has decades left; the mechanism was never going to last as long as the door.
The 20-year roller door rusting from the floor up
River-flat garage, roller door, bottom of the curtain flaking rust right through in two places, guides worn oval, curtain edge starting to tear at the bolt holes. The opener still works fine. Verdict: replace the door, keep the opener if it's compatible. Every dollar spent on that curtain is a dollar the rust eats within a couple of winters. This is the door that owes you nothing.
The 6-year corridor sectional with a snapped spring
Hamlyn Terrace estate house, builder-grade double sectional, loud bang on a Tuesday morning, door now dead weight. Door panel: as new. Verdict: repair, and service the rest while we're there. Springs matched to the door's actual weight, cables inspected, rollers lubricated, opener force settings checked. The door's barely broken in; the spring just reached the end of its cycle life first.
What actually drives the cost, in words
No dollar figures here, on purpose: an honest number needs eyes on the door, and this whole site works that way. But the shape of it is no secret. A repair is driven by which parts and how many (springs in pairs, cables in pairs), access to the mechanism, and the door type. A new door is driven by size (single versus double is the big step), door type, material and finish, whether the opening needs work, and whether an opener comes with it. When we quote either, the quote is fixed once we've seen the opening, and repair-versus-replace comes with our reasoning attached, not just a number.
Questions we hear every week
Can I just replace one spring?
On a two-spring door, no; springs are matched and age together. Replacing one leaves an unbalanced door and a second call-out inside a year. Springs get done as a matched set.
My opener died. Does the door matter?
Very much. An opener forcing a stiff, unbalanced door dies young, whoever made it. The door gets balanced first, then the opener decision makes sense.
Is a noisy door dangerous?
Usually it's just dry and worn. But a door that's gone suddenly heavy, or that's crooked in its tracks, is a stop-using-it situation; that's spring or cable territory, and both are under real tension.
Will you try to sell me a new door?
Only when the door genuinely owes you nothing, and we'll show you why on the door itself, not on a brochure. Repair-first is the house position; it's in the name.
Sources & further reading
- ACCC Product Safety: garage door openers. Recalls and safety notices for openers sold in Australia; worth a check if you're inheriting an old opener with a house.
- ACCC: product safety for consumers. Your baseline rights when any tradesperson supplies and installs a product.
- NSW Government: electrical work licensing. Why opener mains wiring is a licensed electrician's job in NSW, not a handyman's.
Want the verdict on your door?
Tell us what it's doing and roughly how old it is. You'll get the same straight call this guide makes, made on your actual door.