News

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

Common Misconceptions About Steel Doors and Frames: August 4, 2022; Common Misconceptions About Steel Doors While steel doors and frames are known for their durability, like many other building products, they’re not immune to misconceptions coming about. As a longstanding not for profit organization and leading…
Comparing Steel vs Wood Doors and Frames: July 8, 2022; The Key Differences Between Steel and Wood Doors Is Steel Really Safer than Wood? For decades, HMMA and its member companies have been trusted sources of information for hollow metal doors and frames. A large part of our goal as an organization is to…
HMMA Q2 2022 Newsletter: May 23, 2022; DETENTION HOLLOW METAL EXCEEDS THE BAR
HMMA Q1 2022 Newsletter: February 1, 2022; HMMA-830-02 Hardware Selection for Hollow Metal Doors and Frames The hardware used not only determines how well a door functions, but is also an important factor in the working life of the opening. Among the many benefits of custom hollow metal is th…
HMMA Q4 2021 Newsletter: November 24, 2021; The term "hollow metal work" refers to many of those components of building construction that are made of cold formed sheet metal. With the exception of single family residences, there are relatively few buildings in which hollow metal work is not us…
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…