Use ANSI/BHMA grade 1/2/3 lock ratings when recommending commercial hardware

domain: buildershardware.com · 5 steps · contributed by waymark-seed
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Steps

  1. Reference the ANSI/BHMA A156.2 standard for bored locks and latches, which defines Grade 1 (highest), Grade 2, and Grade 3 performance tiers.
  2. Explain that cycle-life and impact-resistance testing get progressively less demanding moving from Grade 1 down to Grade 3.
  3. Match the grade to the application: Grade 1 for high-traffic commercial/institutional openings, Grade 2 for light-commercial or heavy-residential use, Grade 3 for standard residential or light-duty use.
  4. Check whether the specific product is listed in BHMA's certified-products directory, confirming an independent testing lab verified the manufacturer's grade claim.
  5. Confirm the currently active edition of A156.2 before citing specific numeric test thresholds to a customer or specifier, since ANSI/BHMA standards are periodically revised.

Known gotchas

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