Out of stock

FF160- 4″ Fire Protection Plug 10PCS


Diameter 4″ Thickness 2.5″
2 Hours Fire Rating

Fire Protection Plugs is a UL classified intumescent plug and can be easily cut to pass wires, pipes, or cables through them. Ideal for smaller round openings of up to 5”. No mechanical fixing necessary.


The FF160 Fire Protection Plug is made of a rapidly expanding intumescent foam. The flexible and
lightweight material is ideal for retrofitting installation, as well as new construction of power and control
cables, telecommunication cables, and optical fiber cables through solid floors or ceiling systems.


  • UL Classified
  • Firestop tested for through-penetration applications up to 2 hours in accordance with UL 1479 (ASTM E 814)
  • Easy Installation – can be fitted in seconds – no screws or drilling required
  • Maximum 60% cable fill in opening of max. 5” diameter
  • Significant Labor savings
  • Lightweight (approx. 14 oz.)
  • Flexible material enables for easy installation and retro-fitting
  • In a fire, the intumescent material expands, closing the opening and preventing flame and smoke spread
  • Easy to remove and re-install to add additional wires
  • For floor assemblies only one plug required
  • Maintenance free
  • 120 minute protection

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