Why Commercial Locks Are Different From Residential
The lock on your front door at home gets used a few times a day. The lock on the front door of a busy retail store or office gets used hundreds or even thousands of times per day. Residential-grade hardware fails fast under that load. Commercial-grade hardware is built differently — heavier internals, stronger springs, hardened steel, and tested to specific industry standards.
ANSI / BHMA Grades Explained
Commercial locks are rated by the American National Standards Institute (ANSI) and the Builders Hardware Manufacturers Association (BHMA):
- Grade 1 — Heavy commercial. Tested to 1,000,000+ cycles. Used in schools, hospitals, government buildings, high-traffic retail. The gold standard.
- Grade 2 — Light commercial / heavy residential. Tested to 800,000 cycles. Suitable for low-traffic offices, retail back rooms, and high-end residential.
- Grade 3 — Residential. Tested to 200,000 cycles. Not appropriate for commercial use — it will fail prematurely.
The most common mistake we see is businesses installing Grade 3 residential locks (the kind sold at Home Depot) on commercial doors. Within a year, the springs are tired, the latches stick, and the lock fails — right when a customer is trying to walk in.
Commercial Lock Brands We Install
- Schlage — ND-series and L-series commercial. The American standard.
- Best Access — Interchangeable core systems for facility-managed properties
- Yale — 8800 series and other commercial lines
- Sargent — 10-line and 11-line commercial mortise locks
- Corbin Russwin — High-end commercial mortise hardware
- Falcon, Arrow, Medeco — All major commercial brands
What Gets Installed
- Cylindrical lever locks — Most common commercial format. Hole through the door, lever handles, latch. ADA-compliant when needed.
- Mortise locks — Heavier hardware that sets into a pocket cut in the door. Premium feel, higher security.
- Exit devices / panic bars — Required by code on many commercial doors. See our panic bar installation page.
- Storefront locks — For glass / aluminum doors. See storefront door locks.
- Electronic / keypad / smart locks — Electronic keypad locks and smart commercial locks.
- High-security cylinders — Medeco, Mul-T-Lock, Primus for serious security applications
Call (253) 796-8550 for a free, no-obligation site evaluation and quote.
