Fire Safing

Eastern Industrial Services, Inc. has been providing a full service Fire Safing program to building owners and contractors for over thirty years.

We are solely committed to properly training our installers with the most up-to date products and techniques to give you, the customer, the very best we have to offer. Whether you need Fire Safing for your curtain walls, cable trays, or pipe and duct penetrations, we will be there to help you.

Eastern Industrial Services, Inc. is certified to install all of the leading manufacturer’s systems, including 3M, Hilti, Flame Stop, STI and Tremco.

EISI, Keeping it Sealed, Keeping it Safe!


  • Improve safety – potentially save lives in the event of a fire
  • Reduce thermal energy loss – save money
  • Decrease noise and sound


  • Seal penetrations in slabs, walls and ceilings
  • Cable mangement
  • Mechanical, electrical and plumbing
  • Joints and openings
  • Curtain walls


  • Sealants, tapes, putty & foam
  • Fire safing devices - metal collars for pipes and cables
  • Intumescent devices that expand with heat to seal voids after material burns away
  • Mortar for thermal barriers

fire safing diagram

Fire safing applications.

Fire safing protects openings

Fire safing protects openings in floors, walls and ceilings.

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Safely seal wall penerations.

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