Publishes Tech Notes for Hollow Metal Manufacturers
Association of Architectural Metal Manufacturers (NAAMM) has announced
that its Hollow Metal Manufacturers Association (HMMA) division
has published three Tech Notes that are designed to clarify misconceptions
related to manufacturing and installing hollow metal doors and frames.
The Tech Notes are titled "Defining Undercuts" (HMMA-810
TN01-03), "Grouting Hollow Metal Frames" (HMMA 820 TN01-03)
and "Continuously Welded Frames" (HMMA-820 TN02-03).