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stair nosing

  1. T

    Maximum stair nosing projection discrepancy- IBC vs ANSI?

    I cannot find much documentation on the apparent differences between ANSI's 1.5" maximum stair nosing projection and IBC's 1.25" maximum projection- has anyone found any articles or commentary on this issue? More specifically, 2009 and 2017 versions of ANSI A117.1 Section 504.5 Nosings notes...
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