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.

Standards For Expanded Metal
- 2018
- EMMA 557-18
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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)
Guide Specifications For Receipt, Storage and Installation of Hollow Metal Doors and Frames
- 2018
- HMMA 840-17
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(HMMA 840-17)
Guide Specifications for Stainless Steel Hollow Metal Doors and Frames
- 2018
- HMMA 866-12
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(HMMA 866-12)

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.
Glossary of Terms for Hollow Metal Doors and Frames
- 2018
- HMMA 801-12
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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.
Electrified Hardware Preparations
- 2018
- HMMA 840 TN01-18
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Electrified Hardware Preparations HMMA 840 TN01-18