Fire-Rated Assembly Inspection

Updated Mar 26, 2026

Inspection of fire-rated walls, floors, and roof/ceiling assemblies. Verifies: UL assembly number, correct materials, layer sequence, fastener patterns, firestopping at penetrations (ASTM E814), and head-of-wall joints.

category

Fire Protection

reference

UL Design Numbers

common failures

Missing firestop at penetrations, incorrect gypsum layers, wrong fastener spacing

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