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Architectural Metal Productions
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Expanded Metal Manufacturers Association
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Hollow Metal Manufacturers Association
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Metal Bar Grating
Technical Publications
The most recent NAAMM technical publications and manuals are listed below. Find more under Publications.
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Guide Specifications For Forced Entry/Bullet Resistant (FE/BR) Security Hollow Metal Doors and Frames
- 2021
- HMMA 862-21
(HMMA 862-21)
These specifications have been prepared in accordance with the CSI recommended format with Part 1 - General, Part 2 - Products and Part 3 - Execution. Guide specifications are intended to be used as the basis for developing job specifications and must be edited to fit specific job requirements.
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Standards For Expanded Metal
- 2020
- EMMA 557-20
An authoritative guide to the use of expanded metal products. Includes product selection considerations, terminology and manufacturing tolerances. Discusses the manufacturing process and expanded metal applications. (EMMA 557-18)
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Heavy Duty Metal Bar Grating Manual
- 2019
- MBG 532-19
Essential current technical data concerning heavy duty bar gratings of structural carbon steel and stainless steel. Includes information on types of gratings, fabrication, dimensional standards, load tables, installation and guide specifications. (ANSI/NAAMM MBG 532-19)
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Tolerances and Clearances for Commercial Hollow Metal Doors and Frames
- 2019
- HMMA 841-13 (R2019)
Tolerances and Clearances for Commercial Hollow Metal Doors and Frames
HMMA's Standards provide authoritative, unbiased information regarding the manufacture, design and use of hollow metal products. The chief objective of our standards is the promotion of careful workmanship and the use of good design practices and quality materials. The establishment of appropriate standards is helpful not only to the architect and manufacturer, but to the contractor and building owner as well. This standard was reaffirmed in 2019.
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Guide Specifications For Hollow Metal Doors & Frames
- 2018
- HMMA 860-18
(HMMA 860-13)
These specifications have been prepared in accordance with the CSI recommended format with Part 1 - General, Part 2 - Product and Part 3 - Execution. Guide specifications are intended to be used as the basis for developing job specifications and must be edited to fit specific job requirements.
