The Hollow Metal Manufacturers Association (HMMA) is a division of the National Association of Architectural Metal Manufacturers (NAAMM), and publishes more than two dozen reference documents related to hollow metal doors and frames.
- Have you ever needed to know what fire rating is needed for a fire door assembly in a particular wall? See page 1-3.
- Questions about positive pressure testing or smoke control rated assemblies? That section starts on page 1-5.
- How about labels (page 1-8), field modifications (1-11), limitations on glazing (1-14), or hardware requirements (2-1)?
Download your copy now, so you have it on-hand when questions arise.