NAAMM news and updates keep members informed of issues related to topics of mutual interest to manufacturers.

HMMA Q3 2021 Newsletter
August 2, 2021
HMMA-810 TN02-17 Thermal Bow Design professionals, building owners, and project managers need to be aware of a potential door condition known as “Thermal Bow”. “Thermal Bow” is primarily the result of the sun’s rays heat…
HMMA Q2 2021 Newsletter
May 19, 2021
HMMA-820 TN03-07 Guidelines for Glazing of Hollow Metal Transoms, Sidelights and Windows Hollow metal transoms, sidelights and windows are an excellent choice at exterior locations. Proper application of sealing methods commonly used with other windo…
Metal Architecture Article
May 3, 2021
Form and Function - Expanded metal offers extensive options for architects and designers. Read Full Article Here.
HMMA Q1 2021 Newsletter
March 22, 2021
Continuously Welded Frames There are always multiple ways to say something and communicate 90% non-verbally. When it comes to the construction of hollow metal, the words used to specify the type of frame weld is very important, but the challenge is d…
Perforated and Expanded Metal Updates
April 21, 2018
Nine things you should know about these building components...
Updated Standard Released: HMMA 850-14
November 16, 2016
NEWS RELEASE:Updated Standard Released: HMMA 850-14"Fire-Protection and Smoke Control Rated Hollow Metal Door and Frame Products" This updated standard is a detailed overview of the portfolio of fire rated products available through HMMA member compa…
MBG Testing Update
April 27, 2016
The MBG division has completed tests showing that their ANSI/NAAMM MBG treads meet the loading requirements of OSHA 29CFR 1910.24 (c). Treads tested included steel and aluminum treads with serrated or non-serrated edges in a range of lengths. The tes…
EMMA Testing Update
April 27, 2016
The EMMA division has completed tests showing the effectiveness of expanded metal used as a screen for openings. For details of the three tests, see the links below. The range of values for SHGC (Solar Heat Gain Coefficient) is from 0 to 1. A window …
ANSI/NAAMM Pending Standards
April 27, 2016
The following ANSI/NAAMM standards are currently being considered for revision or have a revision in progress: ANSI/NAAMM MBG 531 ANSI/NAAMM AMP FP 1001 The following ANSI/NAAMM standards under revision or proposed for reaffirmation are available for…