A sliding door that has become hard to move almost always has worn rollers or a damaged track, not a broken door. Both are repairable for a fraction of replacement cost.
Coastal properties see this sooner, because salt and sand grind into the track. Wider renovation scope is under Kitchen Renovations Cape Town.
Say which part is failing and roughly how old the door is.
Get an Aluminium Door Repair QuoteCommon Faults
| Symptom | Usual cause |
|---|---|
| Door drags or jumps | Worn rollers, or grit packed into the track. |
| Door will not lock | The door has dropped, so the lock no longer meets the keep. Usually a roller adjustment. |
| Draughts and noise | Perished brush strips and weather seals. |
| Visible track damage | A bent or worn track, which needs replacing before new rollers will last. |
Aluminium Door Repair Prices in Cape Town
| Item | Indicative range | What moves it |
|---|---|---|
| Call-out and assessment | R450 – R950 | Often credited against the work. |
| Roller replacement | R650 – R2,200 per door | The most common repair. |
| Handle or lock replacement | R450 – R1,800 | Multipoint locks cost more. |
| Track replacement | R1,500 – R5,500 | Needed before new rollers will last. |
| Toughened glass panel replacement | R1,800 – R6,500 | Size and thickness dependent. |
| Weather seals and brush strips | R350 – R1,200 | Fixes draughts and rattle. |
| Re-align or re-hang a door | R650 – R2,000 | Where the door has dropped. |
| Full door replacement | R6,500 – R22,000 | Where the frame itself has failed. |
These are indicative market ranges, not a quotation. They are compiled from published South African kitchen pricing to give you a starting point for budgeting. They are not the rate card of any company on this platform.
Replace the track at the same time as the rollers if it is worn. New rollers running in a damaged track wear out again within a year, and the second call-out costs more than doing both at once would have.
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Frequently Asked Questions
Why has my sliding door become hard to open?
Almost always worn rollers or grit packed into the track. Both are repairable and neither needs the door replaced.
Coastal properties see it sooner because salt and sand accelerate the wear.
Can aluminium doors be repaired rather than replaced?
In most cases yes. Rollers, tracks, handles, locks, seals and glass are all individually replaceable, typically for R650 to R5,500 depending on the part.
How often should sliding door tracks be cleaned?
Every few months near the coast, annually elsewhere. Vacuuming the track and keeping it free of grit is the single thing that most extends roller life.
Is it worth upgrading to double glazing?
For noise and heat, yes, but it usually means a new frame rather than a glass swap because the frame must be deep enough to take the sealed unit.
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