JMHR Group Dock & Door Blog

Preventative Maintenance for Commercial Doors & Docks

Mon, 31 Aug 2026 19:54:24 GMT

Why Preventative Maintenance Is the Smartest Investment You Can Make for Your Commercial Doors and Docks

Your commercial doors and loading docks take a beating every single day. Forklifts, foot traffic, weather, and constant cycling all add up. When one of those doors goes down unexpectedly, you're looking at halted operations, safety hazards, and emergency repair bills that nobody budgeted for.

The good news? Most of those failures are preventable. By scheduling regular preventative maintenance, you can avoid unexpected breakdowns, extend the life of your doors, and keep your facility operating safely and securely year-round.

Below, we break down what preventative maintenance looks like for the four most common types of commercial doors and docks.

Preventative Maintenance for Entry Doors

Entry doors are the first thing your employees, customers, and visitors interact with every day. A malfunctioning entry door is more than an inconvenience: it's a security risk and an accessibility issue.

What a preventative maintenance check covers:

Door closers : Checking speed, latching, and backcheck adjustments to make sure the door closes properly without slamming or staying open
Hinges and pivots : Inspecting for wear, loose screws, and misalignment that cause dragging or uneven gaps
Weatherstripping and seals: Replacing worn or damaged seals to maintain energy efficiency and keep out moisture and debris
Glass and panels: Looking for cracks, fogging between panes, or loose glazing
Locks and hardware: Testing all locking mechanisms, panic devices, and access control components for smooth operation
Thresholds: Checking for tripping hazards, gaps, or damage
Automatic operators : Testing sensors, timing, and safety features on power-operated doors to confirm ADA compliance

Recommended frequency: Twice per year (spring and fall), plus after any significant impact or damage event.

Preventative Maintenance for Rolling Steel / Coiling Doors

Rolling steel doors are workhorses in warehouses, retail storefronts, and industrial facilities. Because they cycle hundreds (sometimes thousands) of times per year, worn components can lead to a door that won't open, won't close, or worse, drops unexpectedly.

What a preventative maintenance check covers:

Curtain inspection: Checking individual slats for dents, misalignment, or interlocking failures
Guide channels : Clearing debris and verifying the curtain tracks smoothly without binding
Bottom bar and astragals : Inspecting for damage that could compromise the seal or allow the curtain to come off-track
Spring tension : Testing counterbalance springs and adjusting tension so the door opens and closes evenly
Motor and operator: Checking chain/belt drive, limit switches, and electrical connections
Lubrication : Applying proper lubricant to bearings, springs, and moving components
Safety devices : Testing fire-release mechanisms (fusible links or drop devices) where applicable

Recommended frequency : Every 6 months for standard use, quarterly for high-cycle applications.

Preventative Maintenance for Overhead (Sectional) Doors

Overhead sectional doors are everywhere: loading bays, service bays, parking garages, fire stations. A broken spring or snapped cable on one of these doors can cause serious injury or property damage.

What a preventative maintenance check covers:

Torsion springs and cables: Inspecting for fraying, corrosion, or fatigue; checking cycle count life expectancy
Tracks and rollers: Verifying alignment, clearing obstructions, and replacing worn rollers to reduce noise and drag
Panels and sections: Looking for dents, cracks, or warping that affect insulation value and structural integrity
Hinges and hardware: Tightening loose bolts and replacing worn hinges before they cause panel separation
Weatherseals: Replacing bottom seals and side/top weatherstripping that have cracked or compressed
Operator and drive system: Testing chain hoist or motor operator for proper speed, force settings, and limit adjustments
Safety systems: Verifying photo eyes, reversing mechanisms, and entrapment protection devices are functional and properly aligned

Recommended frequency: Every 6 months, with a visual check monthly for high-traffic doors.

Preventative Maintenance for Loading Dock Levelers

Your dock levelers bridge the gap between your facility floor and delivery trucks. When a leveler fails, your entire shipping and receiving operation stops. Hydraulic leaks, worn deck plates, and malfunctioning hold-downs create real safety hazards for forklift operators.

What a preventative maintenance check covers:

Hydraulic system: Inspecting cylinders, hoses, and power unit for leaks, proper fluid levels, and smooth operation
Lip and deck plates: Checking for cracks, excessive wear, or bending that could catch forklift wheels
Hold-down devices: Verifying that the leveler locks securely in the stored position
Bumpers: Inspecting dock bumpers for compression damage and secure mounting
Dock seals and shelters: Checking foam pads, curtains, and frames for tears and weather gaps
Safety features: Testing lip keepers, velocity fuses, and communication lights (green/red dock signals)
Structural components: Inspecting pit condition, concrete edges, and support beams for deterioration

Recommended frequency: Quarterly inspections with full service annually. High-volume docks (50+ trucks per day) should be inspected monthly.

The Cost of Skipping Maintenance

It's tempting to run your doors until something breaks. But here's the reality:

Emergency repairs cost 2-3x more than scheduled maintenance visits
Downtime costs add up fast when a loading dock is out of commission during peak shipping hours
Liability exposure increases when safety devices aren't tested regularly
Equipment lifespan drops significantly without proper lubrication, adjustment, and part replacement

A preventative maintenance program pays for itself by catching small problems before they become expensive emergencies.

Schedule Your Preventative Maintenance Visit

JMHR Group Dock & Door has been keeping Michigan's commercial doors and docks running since 1984. Whether you need a one-time inspection or a recurring maintenance contract, our technicians know every type of door and dock system inside and out.

We specialize in:

Entry Door Sales, Service, and Repair
Overhead Door Sales, Service, and Installation
Automatic Door Service and Repair
Shipping Dock Sales, Service, and Installation

Call us today to schedule your preventative maintenance visit:

�� 866-843-3349

24-Hour Emergency Service available for when the unexpected happens.

The Importance of Regular Automatic Door Maintenance

Mon, 20 Apr 2026 14:53:40 GMT

Why Automatic Doors Require Ongoing Attention

Automatic doors are complex systems made up of sensors, operators, control panels, tracks, and moving components. Over time, these parts experience wear and tear from constant use, weather exposure, and environmental factors like dirt and debris.

Without proper upkeep, small issues can quickly turn into major problems ... including doors failing to open, closing too quickly, or not detecting pedestrians properly.

Automatic doors are a critical part of your facility’s safety, accessibility, and daily operations. Whether at a retail storefront, healthcare facility, office building, or industrial site, these systems must function flawlessly every time someone approaches. When they don’t, it’s more than an inconvenience ... it can become a serious safety risk.

The Importance of Regular Safety Inspections

Routine safety inspections are not just recommended ... they are essential. Industry standards, including those set by the American Association of Automatic Door Manufacturers , outline strict guidelines for how automatic doors should operate safely.

A professional inspection ensures:

Sensors are properly detecting motion and presence
Doors open and close at safe speeds
Emergency breakaway systems function correctly
All components meet current safety compliance standards

Regular inspections help reduce liability, protect customers and employees, and ensure your business remains compliant with safety regulations.

Key Maintenance Tips for Automatic Doors

Staying proactive with maintenance can significantly extend the life of your automatic doors and prevent costly repairs. Here are a few practical tips:

1. Keep Tracks and Sensors Clean
Dust, dirt, and debris can interfere with sensors and cause doors to malfunction. Regular cleaning helps maintain proper operation.

2. Listen for Unusual Noises
Grinding, squeaking, or clicking sounds are often early warning signs that something needs attention.

3. Check Door Speed and Movement
If doors are opening too slowly, slamming shut, or hesitating, it’s time for a professional inspection.

4. Test Safety Features Regularly
Make sure motion sensors and safety stop mechanisms are functioning properly to prevent accidents.

5. Schedule Preventative Maintenance
Don’t wait for something to break ... routine service keeps everything running smoothly and helps avoid unexpected downtime.

How JMHR Group Dock & Door Can Help

At JMHR Group Dock & Door, we specialize in keeping your automatic doors safe, compliant, and operating at peak performance. Our experienced technicians provide:

Professional safety inspections aligned with AAADM standards
Preventative maintenance programs tailored to your facility
Fast, reliable repair services for all automatic door systems
Expert installation and upgrades when needed

We understand that your business depends on reliable entry systems. That’s why we focus on quick response times, thorough service, and long-term solutions ... not just quick fixes.

Keep Your Doors Safe, Reliable, and Compliant

Automatic doors play a vital role in your building’s functionality and safety. Regular inspections and maintenance aren’t optional ... they’re essential.

If your doors haven’t been inspected recently or you’ve noticed signs of wear, JMHR Group Dock & Door is here to help. Our team is ready to ensure your doors operate safely and efficiently every day.

Contact JMHR Group Dock & Door today to schedule your automatic door inspection or maintenance service ... and keep your business moving without interruption.