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- Secure PDF 🔒
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About This Item
Full Description
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
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BHMA A156.21-2019
Standard For Thresholds- Most Recent
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BHMA A156.21-2014
viewing
American National Standard for Thresholds- Historical Version
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BHMA A156.21-2009
American National Standard for Thresholds- Historical Version
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BHMA A156.21-2006
American National Standard for Thresholds- Historical Version
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BHMA A156.21-2001
American National Standard for Thresholds- Historical Version
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BHMA A156.21-1996
Thresholds- Historical Version