Commercial door closer replacement across Toronto & the GTA. Leaking, slamming, or non-latching closers replaced fast — LCN, Norton, Dorma, Sargent. Fire-door & barrier-free compliant. Free quotes, 24/7 service.
A door closer is a small piece of hardware doing a big job: it controls how every door in your building opens, closes, and latches, thousands of times a week. When a closer fails, the door slams on customers, stops latching, props itself open, or starts leaking hydraulic oil onto the floor. For property managers and business owners, that's a safety hazard, a security gap, a compliance problem, and — in the case of fire doors — a code violation.
Ontario Door Repair provides commercial door closer replacement across Toronto and the GTA. We replace surface-mounted, concealed, floor, and overhead closers on retail, office, industrial, institutional, and multi-tenant buildings. With 20+ years of commercial experience and same-day availability, we get the right closer installed and adjusted correctly the first time — properly tuned for closing speed, latching, and barrier-free opening force.
Call 647-951-3510 for a free quote or 24/7 emergency service.
Some closer problems are a five-minute adjustment. Others mean the unit is done. Here's how to tell it's time to replace:
A door closer is a sealed hydraulic unit. Once you see oil weeping from the body or spotting the floor, the seals have failed — there's no adjustment that fixes it. A leaking closer loses control of the door and must be replaced.
If the door bangs shut regardless of how you turn the adjustment valves, the internal valves have failed. A slamming door is a pinch and impact hazard, and it hammers the frame, hinges, and latch every cycle.
A closer that no longer has the power to pull the door fully closed leaves it unlatched. On an exterior door that's a security and energy problem; on a fire door it's a life-safety failure.
When a closer loses spring tension, the door drifts or stands open — defeating the entire purpose of the hardware and, on rated openings, breaking fire-code compliance.
Barrier-free (accessibility) requirements limit how much force it should take to open a door. A worn or wrong-sized closer that's been cranked down to force latching often makes the door too hard to open. The fix is the correct closer, properly adjusted — not more tension.
If your closer shows any of these, it's a replacement, not a tune-up. Related work often comes up at the same time — see fire exit doors and commercial storefront door repair.
Not every door takes the same closer. We assess the door, frame, weight, traffic, and code requirements, then match the right type:
Choosing the wrong type or size is the number-one reason a "new" closer fails again quickly. We spec by door weight, width, frequency, and code so it lasts.
We install and replace commercial-grade closers from the manufacturers specified across GTA buildings:
We can match your existing brand and model for a consistent building standard, or upgrade you to a better-suited unit. Where the door integrates with access control, we coordinate the closer with electrified hardware like electric strikes and magnetic locks.
Two compliance issues ride on your door closers, and both matter for GTA commercial and institutional buildings:
Fire-rated doors are required to be self-closing and self-latching. A fire door that won't close and latch on its own does not do its job in a fire and will fail an inspection. Replacing a failed closer on a rated opening isn't optional — it's a life-safety requirement. We handle closer replacement on fire and exit doors and coordinate with your fire exit door hardware.
Barrier-free / accessible entrances have limits on opening force so that people of all abilities can use the door. An overtightened or undersized closer often pushes opening force past the acceptable range. We select and adjust closers to meet accessibility expectations while still latching reliably.
If you manage a property, staying ahead of these is far cheaper than a failed inspection — one more reason regular commercial door maintenance is essential for Toronto businesses.
Door closers are consumables — in a portfolio of buildings, several fail every year. Property managers and facilities teams across the GTA rely on us for scheduled and on-call closer replacement because we:
These typical 2026 GTA ranges are for budgeting — your final price comes from a free quote:
Brand, closer type, door weight, and mounting condition all affect the number. We confirm everything in writing first.
We provide commercial door closer replacement throughout Toronto and the GTA, including Scarborough, North York, Etobicoke, East York, Mississauga, Vaughan, Markham, Richmond Hill, and Brampton — plus Hamilton, Burlington, Oakville, Ajax, Pickering, Whitby, Aurora, Newmarket, Thornhill, and Maple.
A slamming exterior door or a fire door that won't latch can't wait for a scheduled visit. Our 24/7 emergency team replaces failed closers fast, restoring safe, secure, code-compliant operation the same day. Call 647-951-3510.
Licensed, insured & warrantied — over 20 years serving Toronto & the GTA. Same-day service and 24/7 emergency door repair.
Minor issues like closing speed can sometimes be adjusted. But if the closer is leaking oil, slamming despite adjustment, or no longer latching the door, the internal seals or valves have failed and it must be replaced. We'll tell you honestly which applies at the free assessment.
The closer is a sealed hydraulic unit. Oil weeping from the body or spotting the floor means the seals have failed — there's no fix but replacement. A leaking closer also loses control of the door, so it should be addressed promptly.
Yes. Fire doors must be self-closing and self-latching, and a failed closer breaks that requirement. We replace closers on fire and exit doors and coordinate with the door's rated hardware to keep the opening compliant.
Often, yes. Excessive opening force usually means the closer is oversized, worn, or overtightened to force latching. We install and adjust the correct closer so the door opens within barrier-free force limits and still latches reliably.
We install LCN, Norton, Dorma, Sargent, and Yale commercial closers. We can match your existing brand for a consistent building standard or recommend a better-suited unit for the opening.
Yes. We work with property managers and facilities teams to standardize hardware across a portfolio, with same-day and on-call replacement and clear itemized invoicing.
We offer same-day service across Toronto and the GTA and 24/7 emergency response for doors that won't close, latch, or secure. Call 647-951-3510 for an arrival window.
Yes — every job is backed by our warranty on both parts and workmanship.
Stop the slamming, the leaking, and the compliance risk. Ontario Door Repair replaces commercial door closers of every type across Toronto and the GTA — with free quotes, warrantied work, and 24/7 same-day service.
Call 647-951-3510 now — 24/7 emergency and same-day service. Prefer email? Reach us at oblocksmith1@gmail.com or request a free estimate online.
24/7 commercial & residential door repair and replacement across Toronto and the GTA. Call 647-951-3510.