Commercial

Why Your Commercial Door Will Not Close

A commercial door that does not close on its own is more than a nuisance — it breaks the seal, defeats the lock, and on a fire-rated opening it is a code violation. The cause is usually the closer, the hinges, or the frame.

The door closer

Most commercial doors close under the control of an overhead or concealed closer. When the door stops short, drifts, or slams instead of latching, the closer is the first suspect. Hydraulic closers lose fluid and lose control of the swing; spring tension drifts out of adjustment; the arm or mounting works loose. Often it is an adjustment, sometimes a replacement. We handle both through commercial door closer repair.

Hinges and door drop

Commercial doors are heavy and cycle hundreds of times a day, so hinges and pivots wear hard. A worn hinge lets the door drop and drag the floor or bind on the frame, so it never reaches the latch. The fix is reinforcing or replacing the hinges and bringing the door back square — the same principle as residential hinge wear, scaled up to a heavier slab.

A binding frame or threshold

Settling, racking, or a damaged threshold can leave the door catching the frame on its way shut. Weather and heavy use take a toll on commercial frames and sills. When the frame is the cause, the door has to be realigned to it or the frame repaired. This work falls under broader commercial door repair, and on retail entrances it ties into storefront door repair.

Why it cannot wait

A door that does not close is an unlocked door after hours and a hole in your heating and cooling. On a fire-rated door it is a serious liability — a fire door has to close and latch on its own to do its job, and an inspector will flag it. A door that slams instead of closing is wearing itself out fast; our notes on stopping a door from slamming apply here too. Common storefront-specific faults are covered in common storefront door problems.

Reading the closer's three adjustments

Before assuming a closer is dead, it is worth understanding what it can be tuned to do. A typical commercial closer has three separate controls. Sweep speed governs the main part of the swing; latch speed governs the last few inches into the frame; and backcheck resists the door being flung open too far. A door that stops an inch short of latching almost always needs more sweep speed or spring tension, not a new closer. A door that slams needs the latch speed eased off. A door that whips open and bangs its stop needs the backcheck firmed up. Getting these right is the core of door closer repair, and many "broken" closers simply drifted out of adjustment.

When the closer is genuinely worn out

Adjustment only works while the closer still holds its fluid and spring. Once a hydraulic closer leaks — you will often see oil weeping from the body or the arm — it loses control of the swing no matter how you set the valves, and it will keep drifting worse. A seized or stripped closer is the same story. At that point the right call is replacement with a correctly sized unit for the door's weight and traffic, which is straightforward closer repair and installation work. A closer too small for a heavy door never controls it properly, so sizing matters as much as the swap itself.

Exit devices and electric hardware

On doors fitted with panic exit hardware, the device itself can keep a door from closing or latching. A worn or misaligned exit device can hold the latch retracted or catch on its strike, so the door rests closed but unsecured. On openings with electric strikes or access control, a strike that does not re-lock cleanly leaves the same gap. These tie into broader commercial door hardware repair, and they matter because the door can look shut while the opening is not actually secured or, on a rated door, not actually latched.

Ottawa winter is hard on closers

Our climate pushes closers out of adjustment twice a year. In cold, the hydraulic fluid thickens and the door swings more slowly, so one tuned in summer can stop short of latching by January. At the same time, winter wind pressure against the building can hold a door open against the closer's spring. A door on the windward side of a building can be flung open and then refuse to pull itself shut against the draft. A seasonal adjustment keeps the door latching reliably year-round, and it is far cheaper than the heating loss and security exposure of a door that sits ajar through the winter.

We keep your doors working

We service closers, hinges, frames, and hardware on commercial and storefront doors across Ottawa and the Valley — flat-rate, with same-day calls to minimize downtime and keep you secure and compliant.