3M 4HA FIRE BARRIER CAST-IN DEVICE HEIGHT ADAPTORS ARE 1-PIECE EXTENSIONS THAT PROVIDE UP TO 4” OF ADDITIONAL HEIGHT TO 3M FIRE BARRIER CAST-IN DEVICES. NO FASTENERS ARE REQUIRED AND INSTALLERS SIMPLY SNAP THE ADAPTOR ONTO A METALLIC OR NON-METALLIC CAST-IN DEVICE. ADAPTORS ADJUST TO ACCOMMODATE CONCRETE SLAB POUR DEPTHS UP TO 12” THICK. ADAPTOR/DEVICE ASSEMBLIES ARE FIRESTOP TESTED UP TO 3 HOURS.
3M™ Height Adaptor, For Use With: 4PCID and 4MCID Fire Barrier Cast-In Device, Specifications: 3 hr Fire Rating, Specifications Met: ASTM E 814, UL 1479, Red, 4 in Dia Dimensions