Accurate Security & Lock

Commercial Door Installation & Repair

Commercial door installation and repair covers hollow metal, aluminum storefront and wood doors together with the frames, closers, hinges, pivots and hardware that make them work. Accurate Security & Lock diagnoses the actual cause of a failure first, then repairs or replaces the assembly across Illinois and Wisconsin.

A commercial door is judged by different standards from a residential one. It has to survive hundreds of cycles a day, stand up to trolleys, deliveries and weather, and keep working after the building has settled. We install and repair commercial doors and entrances for businesses across Illinois and Wisconsin, covering hollow metal, aluminum storefront and wood doors, together with the frames, closers and hardware that make them function.

Most commercial door faults are not the door. They are the closer that has been adjusted to slam, the hinge that has been lubricated with the wrong product and is now grinding, the frame anchor that has pulled loose from the masonry, or the bottom pivot that has been standing in water since the last thaw.

Commercial door symptoms, their usual causes and the fix that does not work
SymptomUsual causeWrong fix
Door slamsCloser mis-sized or mis-adjustedReplacing the door
Door will not latchStrike moved, frame anchor pulled, or threshold liftedA bigger lock
Hinge grindingWrong lubricant, or a worn bearingMore oil
Water on the floorBottom pivot or sweep standing in waterNothing — it is left until the pivot fails
Door drags on the frameBuilding settlement or a sagging framePlaning the door

How commercial doors fail differently from residential doors

A commercial entrance can see several hundred cycles a day. That changes which components wear out first, and it means the failure you notice is rarely the part that caused it. The table below is the diagnostic order we work in: start from the symptom, identify the usual cause, and refuse the fix that treats the wrong component.

Every one of those faults is repairable, and every one gets worse if it is left. A closer that slams a door will eventually pull the hinges out of the frame; a door that will not latch gets forced by hand until the strike and the bolt housing wear out. A service call caught early is an adjustment, not a replacement.

Related:Wikipedia: door

Door types and where each belongs

Hollow metal is the workhorse for back-of-house, plant rooms and service entrances. It is strong, repairable and available rated. Frames are usually welded or knock-down steel, and the anchor into the masonry is what determines whether the door stays square.

Aluminum storefront is what most retail and office entrances actually use. It is light, glazed and dependent on the frame for rigidity. The weak point is the thin extrusion around the lock and the pivots, which is why reinforcement at the strike matters more here than on a steel door.

Wood is still common on older premises and on internal doors. It moves with moisture, so seasonal binding is normal and should be adjusted rather than fought.

Specifying a commercial opening as an assembly

A commercial opening is specified as an assembly, not as a door. The leaf, frame, hinges, closer and latching have to work together for the traffic the entrance actually sees, and the decision is usually made once and lived with for years.

  • Match the door to the traffic. An entrance used by delivery trolleys needs a different leaf, closer and hinge set from an office door.
  • Rated openings need rated hardware. If the wall is rated, the whole assembly has to be, including the closer, hinges and latching.
  • Accessibility is part of the specification. Opening force, threshold height and clearance are measurable requirements, not preferences.
  • Think about the frame, not just the leaf. A new leaf in a settled frame inherits every problem the old one had.

Related:A complete commercial door assembly replaced in Delavan

When a commercial door should be repaired, not replaced

The honest answer is usually repair, and it is worth knowing why. A door leaf is a slab of steel, aluminum or timber; it does not wear out the way a closer or a pivot does. Replacing a leaf because a closer is slamming it treats the symptom.

Replacement becomes the right answer when the leaf is structurally damaged, when the frame is racked or rusted through and cannot be re-anchored, when the opening has to change rating or size, or when a part is genuinely obsolete. We will put that recommendation in writing, with photographs of the fault before and the finished work after, because property managers have to justify the spend.

Working around business hours

A customer entrance cannot be closed during the day. Evening and weekend work is normal for us rather than a special arrangement, and it is usually the difference between a repair that gets done and one that gets postponed until the door fails completely. Entrance repairs frequently cannot wait for a quiet period, and a door that is out of service is a security and accessibility problem.

What a finished commercial opening must do

A commercial opening is only finished when it has been tested as an assembly and signed off with evidence, because the person who owns the building may never use that door themselves.

  • The door closes and latches from a standing start on a light push.
  • The closer closes the door fully and holds it latched, without a slam.
  • The frame diagonals have been measured and the jambs checked for plumb.
  • The strike is anchored into framing, not only into the face of the jamb.
  • Every component on a rated opening carries a rating, and the self-closing and self-latching behavior has been confirmed from a fully open position.
  • Before-and-after photographs of the fault and the finished work are on file for the property manager.

What annual door maintenance actually prevents

Closers, hinges and pivots benefit from an annual service, and most of the emergency calls we attend would have been prevented by adjusting a closer or tightening a frame anchor a year earlier. The pattern is consistent enough to plan around: the part that fails first is almost always the part that was adjustable the season before.

Where a rated wall is involved, that annual attention is not optional in practice, because a rated opening is judged on whether it still closes and latches unaided. Accessibility guidance on opening force, threshold height and clearance is also measurable, and a closer adjusted too strong can push an entrance out of compliance without anyone noticing. [Insert source: current Illinois adoption and municipal amendments governing accessibility and egress at commercial door openings]

Five rules that hold on almost every commercial opening

Five rules that hold on almost every commercial opening we look at.

  • On commercial doors the symptom is rarely the cause. A slamming door is usually a closer problem, not a door problem.
  • Most emergency repairs were avoidable by adjusting a closer or tightening a frame anchor a year earlier.
  • On aluminum storefronts, the thin extrusion around the lock is the weak point. Reinforce the strike.
  • Repair beats replacement far more often than quotes suggest. A leaf rarely wears out; its hardware does.
  • If the wall is rated, every component of the opening has to be rated too.

Service areas for commercial door hardware

We cover every town on our list across Northern Illinois and Southern Wisconsin. These are a few of them.

See all service areas

Frequently asked questions

Do you work outside business hours?

Yes. Entrance repairs frequently cannot wait for a quiet period, and a door that is out of service is a security and accessibility problem. We schedule evening and weekend work so a customer entrance is not closed during trading.

Can you match an existing door that is no longer made?

Often. We can source a close match in appearance and function, or where the frame is sound, rehang a new door leaf in the existing frame. If an exact visual match is impossible we will say so before ordering, so there are no surprises. Color and finish can usually be matched even when the original section is no longer available.

Do commercial doors need regular maintenance?

Yes, and it is far cheaper than emergency repair. Closers, hinges and pivots benefit from an annual service, and most of the emergency calls we attend would have been prevented by adjusting a closer or tightening a frame anchor a year earlier.

How do I know a rated opening is still compliant after a repair?

A rated assembly has to close and latch unaided from a fully open position, and every component on it has to carry a rating. We confirm that behavior after the repair rather than assuming it. [Insert source: current Illinois adoption and municipal amendments governing rated door assemblies]

Ready to get it sorted?

Call either line and speak to one of our own technicians. We cover Northern Illinois and Southern Wisconsin, and we attend lockouts and failed door hardware around the clock.

Office hours:
Monday to Saturday, 8:30am - 5:00pm · Closed Sunday
Emergencies:
24-hour emergency call-out

Illinois licence 191.000502 · Licensed, bonded and insured

Call either line

Both numbers reach our own technicians. Lockouts and failed door hardware are attended at any hour, including Sundays and holidays.