Simply a Better Way to FirestopTo expand the versatility of time- and money-saving cast-in firestopping, 3M Fire Barrier Cast-In Device Metal Deck Adaptors let technicians install 3M Fire Barrier Cast-In Devices onto uneven metal fluted decking before concrete slabs are poured. This one-piece plastic adaptor features snap-in attachment to the Fire Barrier Cast-In Device no tools or fasteners are required. It installs quickly and easily onto fluted steel pan decks for drain, waste and vented or closed pipe systems. The adaptor accepts Cast-In Devices for both plastic and metal pipes.Recommended Applications Use in conjunction with metallic and non-metallic 3M Fire Barrier Cast-In Devices Fluted steel pan decks for drain, waste, and vented or closed pipe systems New construction jobs requiring a minimum 2-1/2(63.5 mm) concrete topping Consult 3M Fire Barrier Cast-In Device Metal Deck Adaptor Installation Guide (supplied with each device) and listed system details for exact type of penetrants covered and hourly ratingsFully Tested and ApprovedWhen used in conjunction with Fire Barrier Cast-In Devices in listed systems, 3M Fire Barrier Cast-In Device Metal Deck Adaptors are firestop tested up to 3 hours in accordance with ASTM E 814 (UL 1479).The Science of Better Fire Protection from 3MSince 1925 when a 3M lab assistant invented masking tape, 3M has been applying science to life developing adhesive products and technologies that help entire industries and individual businesses worldwide. The work that began with a single 3M engineer now spans decades and generations. And all of it goes into each 3M adhesive, sealant, protective coating, device and capability-expanding adaptor including 3M Fire Barrier Cast-In Device Metal Deck Adaptors to improve performance, and to help businesses like yours operate faster, better and more efficiently.