Fire Barriers NFPA 101 Life Safety Code®

8.3 Fire Barriers.
8.3.1 General.
8.3.1.1 Fire barriers used to provide enclosure, subdivision, or protection under this Code shall be classified in accordance
with one of the following are resistance ratings:
(1) 3-hour are resistance rating
(2) 2-hour are resistance rating
(3) 1-hour are resistance rating
(4) 1 ∕ 2-hour are resistance rating

8.3.1.4 Smoke Barrier Used as a Fire Barrier. A smoke barrier shall be permitted to be used as are barrier, provided that it meets the requirements of Section 8.3.

Smoke Barriers

NFPA 92 Standard for Smoke Control Systems

A.3.3.14 Smoke Barrier A smoke barrier might or not have a fire resistance rating. Such barriers might have protected openings. Smoke barriers as used with smoke control or smoke management systems described in this standard could have openings protected either by physical opening protectives or by pressure differences created by the smoke control or smoke management system. Smoke barriers described in some other codes and standards might require that the opening by protected by protected by physical opening protectives.