Smoke Seals (07 86 00)
Smoke Guard Model 3000 Smoke Curtain (Jan 13, 2020)
Thru-Wall Structural Brick from Belden Brick Co. (Oct 03, 2019)
Fire and Smoke Curtain at University of Michigan Biological Sciences Building (Oct 02, 2019)
Other Companies for Smoke Seals
For other relevant searches, you might want to try: material installed at perimeter of openings to prevent spread of smoke.
(07860) Smoke Seal