ANSI/NAAMM Pending Standards

June 20, 2025

The following ANSI/NAAMM standard is currently being considered for revision or has a revision in progress:

  • ANSI/NAAMM HMMA 841, "Tolerances and Clearances for Commercial Hollow Metal Doors and Frames"

The pending revision will be announced in the ANSI Standards Action on 06/27/2025.  When the draft revised standard is ready for public comment it will be made available.  Please check back periodically.