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About This Item

 

Full Description

1. SCOPE

1.1 This Standard establishes requirements for thresholds. Types are described with identifying numbers. Strength tests, fastening systems, and gasketing tests are included.

1.2 Tests described or referenced in this Standard are performed under laboratory conditions. This item is available as part of a discounted standards set covering Trimming of Doors .
 

Document History

  1. BHMA A156.21-2014

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    viewing


    American National Standard for Thresholds

    • Most Recent
  2. BHMA A156.21-2009


    American National Standard for Thresholds

    • Historical Version
  3. BHMA A156.21-2006


    American National Standard for Thresholds

    • Historical Version
  4. BHMA A156.21-2001


    American National Standard for Thresholds

    • Historical Version
  5. BHMA A156.21-1996


    Thresholds

    • Historical Version