Service
Sliding Door Track Repair & Restoration
The track is the surface everything else depends on. Roller assemblies are consumables and glass is replaceable, but a track cut through by years of metal-on-metal contact will destroy every new part you put above it.
Three different track problems, three different fixes
Grooved. A seized roller has cut a channel into the aluminium. The fix is a stainless steel track cap: a hardened profile bonded over the original, giving a fresh running surface without touching the sill or the frame. It is the most common track repair we do and it is permanent.
Bent. Something heavy was dropped, or a panel was forced. Minor deformation can be dressed straight in place. Severe bends need the section replaced.
Corroded through. Standing water and salt eventually eat the aluminium itself. Once the metal is perforated there is nothing to cap, and the track section is replaced.
Why San Diego tracks fail the way they do
A bottom track is a horizontal channel at ground level. Every bit of sand, pine needle, dog hair and garden grit that reaches your patio ends up in it, and irrigation overspray keeps it damp.
That combination behaves like grinding paste under a loaded roller. Add airborne salt within a few miles of the coast and you get galvanic pitting on top of the abrasion. It is why the same door in Coronado and in Ramona will be in completely different condition at the same age.
Restoration versus replacement
Replacing a bottom track properly means removing the panels, and on many installations it means disturbing the sill and the waterproofing beneath it. It is invasive and expensive, and on a well-built door it is usually avoidable.
A stainless cap solves the running surface — which is the actual problem — without opening the sill. We recommend full replacement only where the track is perforated, structurally deformed, or where water is already getting past it into the subfloor.
Cleaning is a real service, not an upsell
A significant number of the doors we are called to do not need parts at all. Years of compacted debris in the channel is enough to make a door drag badly, and the owner assumes the rollers are finished.
We vacuum the channel, dissolve and remove the compacted grime, clean the roller wheels, and apply a dry silicone lubricant — never an oil-based spray, which attracts more dirt and makes the problem worse in six months.
From the van
Track repair — from real jobs
Photographs from work we have carried out across San Diego County.


Questions
Track repair — common questions
Can a bent sliding door track be repaired without replacing it?
Usually yes. Minor deformation can be dressed straight with the panel out, and a grooved running surface is solved with a stainless cap. Replacement is reserved for tracks that are perforated by corrosion or bent badly enough that the profile no longer holds the panel.
What is a track cap and how long does it last?
It is a hardened stainless profile bonded over the original aluminium track, giving a new running surface. Because stainless is far harder than the aluminium underneath, a capped track normally outlasts several sets of rollers.
Should I use WD-40 on my sliding door track?
No. Oil-based sprays attract sand and dust, and the resulting paste accelerates wear on both the track and the roller wheels. Use a dry silicone or PTFE lubricant, and only after the channel has been properly cleaned out.
My door leaks water into the house when it rains. Is that a track problem?
Often it is a blocked weep hole rather than the track itself. Sliding door sills have small drainage openings that clear water out of the channel, and when they silt up the channel fills and overflows inward. We clear them as part of track service.
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