Hollow Metal Manufacturers Association (HMMA)
About HMMA
HMMA is an association and community of specialized manufacturers in the industry dedicated to showing the value of hollow metal doors and frames. We’re committed to not only moving the industry forward, but to also providing the knowledge for building projects to choose the right product with confidence.
Our Mission at HMMA
At HMMA we develop standards, conduct product performance testing, and deliver education to promote the use of hollow metal doors and frames. We work to move the hollow metal industry forward by being a trusted source of information.
HMMA Sets the Standard for Hollow Metal Specs
Our community of industry experts is here to help set up your project for success by providing best-in-class specifications to follow. The specs and technical publications below include our vast knowledge of building codes, that are backed by manufacturing expertise, and highlight the benefits of hollow metal doors and frames.
Recent Technical Publications
Introduction to Custom Hollow Metal
Introduction to Custom Hollow Metal HMMA 800-96.
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.
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.
Guide Specifications For Commercial Hollow Metal Doors & Frames
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.
Guide Specifications For Receipt, Storage and Installation of Hollow Metal Doors and Frames
(HMMA 840-24)
