Representing leaders in metal construction products for over 75 years.

Technical Publications

The most recent NAAMM technical publications and manuals are listed below. Find more under Publications.

820 TN-04-21 Fire Protection vs Fire Resistant Rating
- 2022
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Welding Standards for Fabrication of Steel, Stainless Steel and Aluminum Bar Grating
- 2021
- MBG 533-21
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Guide Specifications For Forced Entry/Bullet Resistant (FE/BR) Security Hollow Metal Doors and Frames
- 2021
- HMMA 862-21
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(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.
Standards For Expanded Metal
- 2020
- EMMA 557-20
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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)
Heavy Duty Metal Bar Grating Manual
- 2019
- MBG 532-19
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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)