Is Architectural Film Class A Fire Rated? ASTM E84 Explained for Specifiers
Most 3M DI-NOC architectural finishes are Class A under ASTM E84, but the rating describes a tested assembly, film plus substrate, not a roll of film. A specifier’s guide to flame spread and smoke developed thresholds, NFPA 286 room corner testing, NFPA 80 fire door constraints, and what a reviewable submittal has to contain.