Expert Automatic Door Repair in Harmondsworth
Business owners in Harmondsworth know that a broken shopfront door kills trade. We provide rapid, industrial-grade repairs. As independent specialists, we work on all major brands including Dorma, Record, Geze, and Assa Abloy.
Fire Alarm Interface
We verify the link between your door and the building fire panel. In Harmondsworth, the door must 'Fail Safe' (open fully) immediately when the alarm sounds.
Besam & Entrematic Service
We specialize in legacy Besam UniSlide parts. We stock tensioners and belts for these common units in Harmondsworth.
Energy Efficiency Upgrades
Stop heating the street. We install horsehair brush strips and rubber gaskets to seal your entrance, reducing energy bills for Harmondsworth businesses.
Revolving Door Speed Control
We calibrate the speed and torque of revolving doors in Harmondsworth, ensuring the collapsible wings operate correctly in panic situations.
Weather Mode Programming
Winter in Harmondsworth is cold. We program 'Partial Open' modes (e.g., 50% width), keeping heat inside while allowing pedestrian access.
Common Faults We Fix in Harmondsworth
| Symptom | Likely Cause | Our Fix |
|---|---|---|
| Door Slams | Encoder Fault | Replace Motor Unit |
| Grinding Noise | Nylon Gearbox | Rebuild Transmission |
| Stuck Open | Fire Alarm / Battery | Reset Interface |
| Ghost Opening | Radar Interference | Install Digital Sensors |
Annual Maintenance Contracts (AMC)
Prevent expensive breakdowns in Harmondsworth. Our AMC packages provide bi-annual service visits, legal compliance logbooks, and priority callout status.
Call 0330 223 7190 to secure your building today.
Frequently Asked Questions
Do you repair Dorma doors in Harmondsworth?
Yes, we are independent experts for Dorma ES200, ST Flex, and older models.
How fast is your response?
We aim for same-day attendance in Harmondsworth for security-critical faults.
Do you offer Maintenance Contracts?
Yes, our AMC packages ensure your doors remain BS EN 16005 compliant year-round.