3Mâ„¢ Fire Barrier Cast-In Device Metal Deck Adapters are one-piece plastic body adapters for one-step firestopping on fluted metal decks. Installers simply snap a metallic or non-metallic 3Mâ„¢ Fire Barrier Cast-In Device into the adapter - no fasteners are required - and attach it to the metal decking before concrete slabs are poured. Adapter/device assemblies are firestop tested up to 3 hours.
Style: 1-Piece, Cast-In, Deck Adapter
Size: 4 Inch Diameter
Standard Package: 12 per Case
Approval: UL, ULC