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Manufacturer 3M
Mfg Catalog # 3MDA
Cooper Electric Part # 115943


  • Allows for fast, easy cast-in firestop installation on fluted metal decks
  • Designed for use with 3M™ Fire Barrier Cast-In Devices
  • Easy snap-in assembly of Cast-In Devices saves time and requires no fasteners
  • One-piece body attaches easily to metal decking before slabs are poured
  • Used in conjunction with Fire Barrier Cast-In Devices, adaptors are firestop tested for up to 3-hours in accordance with ASTM E 814 (UL 1479)


  • Color Family: Red
  • Fire Rating: 3 Hour
  • Overall Diameter (Imperial): 3 in
  • Overall Diameter (Metric): 76 mm
  • Product Color: Red
  • Product Type: Adapter
  • Water-tight: No


UPC 05111516545
Product Description 3M Fire Barrier Cast-In Device Metal Deck Adaptors are one-piece plastic body adaptors for one-step firestopping on fluted metal decks. Installers simply snap a metallic or non-metallic 3M Fire Barrier Cast-In Device into the adaptor no fasteners are required and attach it to the metal decking before concrete slabs are poured. Adaptor/device assemblies are firestop tested up to 3 hours.
GTiN 00051115165450
Family Brand Name 3M
Color Red
Diameter 3 in

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