The 3M™ Fire Barrier Wrap Strips FS-195+ are fire-resistive wraps with foil on one side that are designed to firestop penetrations in fire-rated floor, wall and floor/ceiling assemblies.The 3M Fire Barrier Wrap Strips FS-195+ are intumescent wraps that provide up to 4 hours of fire protection in tested and listed systems. They can be used for "in-hole" firestop installations or in conjunction with 3M Fire Barrier RC-1 Restricting Collars. When the wrap is installed "in-hole" in conjunction with a 3M Fire Barrier Sealant or Mouldable Putty+, it also provides a cold smoke seal, which helps prevent the spread of toxic gases and other combustion by-products even before heat initiates the intumescent process.
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Firestop tested up to four hours in accordance with ASTM E 814 (UL 1479)
Intumescent firestop and cold smoke seal