Typical assembly (not a tested listing)
3-Hour Fire Rated Steel Truss Roof/Ceiling — 2 layers Spray-applied fireproofing
Typical 3-hour fire-rated steel truss roof/ceiling assembly. Steel bar joists at 24" o.c. with Rigid insulation board, 2 layers of Spray-applied fireproofing ceiling, 20 ga. steel deck. Illustrative example of typical construction — not a tested UL or GA listing. Use a listed design (UL Product iQ or GA-600) for construction documents.
Steel bar joists at 24" o.c. with Rigid insulation board, 2 layers of Spray-applied fireproofing ceiling, 20 ga. steel deck
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- Layer-by-layer components with thicknesses
- Cross-section diagram
- Applicable code sections and test standard
- 6 related assemblies