A thin one-part composite system comprised of four components, used for firestopping large blank openings to large openings containing multiple penetrating items. Fire Ratings of up to 4 hours in tested and listed systems.
Ideal for fire-stopping blank openings and through-penetrations of multiple cable, pipe ducts, buss ducts and cable trays. Intumescent. Lightweight and easy to handle - just cut and form to fit. Easy to install using common trade tools. Easy to fasten - bolt punch or drill through and use selftapping screws or anchor bolts. Bottom-of-floor applications available. No mixing or damming required. Re-enterable. Documented aging properties.
Firestop tested for up to 4 hours in accordance with ASTM E 814 (UL 1479)
Intumesces (expands with heat) to form a hard char that tightly seals penetrations against flame spread, smoke and toxic gases
Thermally conductive: allows unwanted heat build-up to escape
UL classified (meets code requirements)
Re-enterable for new or retrofit installations
Easy to install using common trade tools
Cut and form to desired shape
A UL-Classified firestop used to seal cable trays, cable, piping and other items that penetrate through fire-rated walls and floors. The product firestops large blanks and provides a smoke seal (when used in conjunction with 3M™ Fire Barrier Sealant or Moldable Putty MP+) for any shape opening in concrete block or slabs. Use 3M™ Fire Barrier Composite Sheet CS-195+ to shield cable trays, conduit, HVAC ductwork, panels, valves and vital heat-sensitive process equipment. The product is effective in protecting cable drop-outs, junction boxes and cabinets, as well as in providing an intermittent firestop in horizontal and vertical cable tray runs.