Non-destructive entry first, always - and we re-key Schlage, Kwikset, and Baldwin locks on the spot while you watch
You get a price before we start. It does not change when we arrive. No surprises.
Abloy Commercial Locksmith in Chicago: What to Know First
We provide independent Abloy commercial locksmith service across Chicago, with same-day response for most calls and every job starting with a written price that does not change. Abloy high-security cylinders and master key systems require specialized tooling and key-blank knowledge that general locksmiths in Chicago often do not carry - we stock both OEM and quality aftermarket components for the Protec2, Sento, and Exec lines. This page is for property managers, business owners, and facilities staff in Chicago who need Abloy lock repair, rekeying, or system expansion and want the price quoted before anyone dispatches. Call (331) 202-1318 for a written estimate.
How Abloy Products Fail - and How We Fix Them
- Protec2 cylinder rotation drag in cold weather. Chicago’s freeze-thaw cycles draw moisture into the disc detainer mechanism; below 20°F, we see binding that mimics a key failure but is actually ice expansion between the rotating discs. We disassemble the cylinder in our mobile workshop, dry the stack with compressed nitrogen, and lubricate with Abloy-specified cold-weather grease rather than graphite, which cakes in low humidity.
- Sento master key system cross-keying after tenant turnover. In Chicago’s multi-tenant commercial buildings - particularly along Milwaukee Avenue and in the West Loop - Sento systems accumulate unauthorized duplicate keys over years of subleasing. We decode the existing bittings, identify compromised chambers, and repin to a new master key hierarchy without replacing the core if the sidebar remains intact.
- Exec series latchbolt failure on fire-rated doors. The Exec’s heavy throw mechanism stresses the latch retractor spring in high-traffic applications; we replaced seven in the Merchandise Mart loading corridor last year alone. We install OEM spring kits and inspect the strike alignment, since Chicago’s building settlement often shifts door frames and accelerates wear.
- Protec2 key extraction with sheared bow. Abloy’s hardened steel blanks resist snapping, but the nickel-silver bow material can shear at the shoulder when torqued against a frozen cylinder. We extract the stub with disc-detainer-specific pullers - standard spiral extractors destroy the chamber spacing - then cut a replacement on a Silca Matrix key machine with the original key code.
- Sento padlock shackle seizure on outdoor equipment. Chicago’s lake-effect salt spray corrodes the stainless shackle surface, binding it to the brass body. We do not force the shackle; we drill the riveted plug, replace the shackle and spring, and rekey to the existing system code. Forcing destroys the body and voids any remaining warranty coverage.
Our Abloy Commercial Locksmith Process

- 1
Call and scope. A live person answers. We ask for the Abloy series name, the key code if available, and the failure symptom. The dispatcher quotes a firm price range - Haven Standard Clause 1: the price on the phone is the price on the invoice.
- 2
On-site diagnosis. The technician identifies the exact failed component before touching a tool. For Protec2 systems, we verify the key blank series (there are three generations with non-interchangeable profiles) and check for unauthorized duplicates.
- 3
Parts decision. OEM Abloy components carry full warranty coverage but require longer lead times for obsolete Exec parts. We stock quality aftermarket cylinders from GMS and Ilco that meet ANSI/BHMA Grade 1 standards and inform the customer which path we are taking, with price difference noted in writing.
- 4
Repair and test. We cycle every key in every position 50 times minimum, test the master key override on all chambers, and photograph the completed work for the documented photo record left with the customer.
- 5
Documentation and guarantee. Written scope, written warranty, and the 365-Day Done Right Promise. If it’s not done right, we make it right.
What Abloy Commercial Locksmith Costs in Chicago
| Service | Typical Range | What Affects Price |
|---|---|---|
| Protec2 cylinder rekey | $145-$220 per core | Generation of key blank; master key complexity |
| Sento master system repin | $85-$140 per cylinder | Number of chambers; new key blanks required |
| Exec latch/spring repair | $175-$290 | OEM vs. aftermarket parts; door frame realignment needed |
| Broken key extraction | $95-$165 | Depth of break; cylinder disassembly required |
| Padlock shackle replacement | $120-$195 | Body salvageable vs. full replacement |
These ranges assume standard Chicago commercial door prep; non-standard applications or after-hours dispatch add labor time, which we quote specifically. There is no call-out surcharge added on arrival - the full price is quoted on the phone before anyone is dispatched, and it is the price on the invoice. Free estimate: call (331) 202-1318.
Why Chicago Homeowners Call Novak Lock & Security Chicago for Abloy Work

Daniel Novak has been running service calls across Chicago - from Logan Square storefronts to the loading docks off the Merchandise Mart - long enough to know which hardware holds up to a Midwest winter and which does not. Our technicians carry Abloy-specific disc detainer picks, key decoders, and all three Protec2 blank profiles; we do not improvise with tools meant for standard pin-tumbler cylinders. The 365-Day Done Right Promise applies to every lock installation, rekey, or emergency call. We also service Schlage, Kwikset, and Medeco, so mixed-brand facilities get one vendor with documented records for every system. Background-checked, uniformed technicians. Calls answered by a live person, 24/7. The name is on the van. The work is the argument.
FAQs
Using an independent Abloy service provider does not automatically void warranty coverage, but warranty claims require OEM parts and documented installation. We note on every invoice whether OEM or aftermarket components were used, so you have a clear record if a factory claim becomes necessary. Call (331) 202-1318 and we will review your warranty status before scheduling.
Same-day response for most Chicago locations; after-hours and weekend calls are dispatched without callback windows or automated queues. Abloy high-security cylinders cannot be bypassed with standard lockout tools, so we confirm the series and key profile before dispatch to ensure the technician arrives with correct blanks and picks. Call (331) 202-1318 for current availability.
Repair is viable when the sidebar and disc stack are intact and the keyway shows no deformation from forced entry attempts. We replace when the body is cracked, the keyway is worn beyond factory tolerance, or the series has been superseded and blanks are discontinued. We state which condition we found and quote both paths in writing before work starts.
Yes, if you have the current master key and at least one change key. We decode the existing bittings and pin or disc the new cylinder to match. For Sento and Protec2 systems, we need the original key code card or a working key - lost codes require factory lookup with proof of ownership, which adds 24-48 hours.
Yes. Haven Standard Clause 1: the price on the phone is the price on the invoice. The dispatcher quotes a firm price, and the technician is not permitted to change it on the doorstep. This rule has been in place since 2002 and is the foundation the business was built on. If we find additional work needed, we stop, explain, and get written approval before continuing - never after the fact.
Written by Daniel Novak, Owner, Novak Lock & Security Chicago at Novak Lock & Security Chicago, serving Chicago and nearby areas.






