Commercial door preventive maintenance
Commercial door preventive maintenance costs $180 to $450 per visit. The interval follows duty cycle rather than the calendar: a door running 40 cycles a day needs quarterly service, while a door running five a day is fine annually.
- Typical cost
- $180–450
One visit, these points: springs, end bearings, hinges, rollers, chain. Duty cycle sets how often — the calendar does not.
Interval by duty cycle, not by calendar
Under 10 cycles a day — annually. Roughly 3,650 cycles a year, comparable to heavy residential use.
10 to 25 cycles a day — twice yearly. Around 9,000 cycles, so a standard spring is exhausted inside about fourteen months.
25 to 50 cycles a day — quarterly. 18,000 cycles a year, and hardware wear becomes the dominant failure mode.
Over 50 cycles a day — monthly inspection with quarterly service. At this rate the question is not whether something wears out but which part does first.
What a visit should actually cover
Spring tension measured, not eyeballed, with the remaining cycle life estimated from the count on the door's cycle counter where one is fitted.
Every fastener, bracket and hinge checked and torqued. Vibration loosens all of them.
Rollers, bearings and guides inspected and lubricated with the right product — not a general-purpose spray, which collects grit.
All safety devices tested and the results recorded: photo-eyes, safety edges, light curtains, and the motor brake.
Curtain or panel condition, and bumper wear on dock doors.
The number that justifies the contract
A quarterly visit is $720 to $1,800 a year per door. One unplanned outage on a dock is emergency labour plus parts plus a bay out of service, and that usually exceeds the annual contract on its own.
The argument is not that maintenance prevents all failures. It is that it converts unplanned outages into scheduled ones, which is what a facility can actually plan around.
Common questions
How much does a commercial door maintenance contract cost?
Commercial door preventive maintenance costs $180 to $450 per visit. At quarterly intervals that is $720 to $1,800 per door per year, which is typically less than a single unplanned outage including emergency labour and lost throughput.
How often should commercial doors be serviced?
By duty cycle: annually under 10 cycles a day, twice yearly at 10 to 25, quarterly at 25 to 50, and monthly inspection above 50. The calendar matters less than the cycle count.
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