Technical Publications

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

1. 

   Metal Bar Grating Code of Standard Practice

   • 2025
   • MBG 535-25

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2. 

   Standards For Expanded Metal

   • 2025
   • EMMA 557-25

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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 557-25)

3. 

   Glossary of Terms for Hollow Metal Doors and Frames

   • 2025
   • HMMA 801-24

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   Glossary of Terms for 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.

4. 

   Hardware Locations for Hollow Metal Doors and Frames

   • 2025
   • HMMA 831-24

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   Recommended Hardware Locations for 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.

5. 

   Guide Specifications For Commercial Hollow Metal Doors & Frames

   • 2024
   • HMMA 861-14

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   (HMMA 861-14)

   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.