Unprotected openings in fire separations cancel out the fire-resistance ratings and often allow a fire to spread past the limits of the fire safety plan of a building.

Firestops are fire protection systems made of various components, and are designed to restore the fire-resistance ratings of wall and/or floor assemblies by sealing openings and joints with fire-resistant materials.


We specialize in resistance of fire and smoke for:

  • Acoustical rated top and bottom walls.
  • Fire rated curtain wall and slab edge.
  • Fire rated masonry and concrete floor and wall joints.
  • Fire rated grease duct wrap.
  • Mechanical and plumbing penetrations.
  • Electrical penetrations.
  • Emergency service conduit wrap.
  • Telecommunication cable trays.
  • Penetrable self sealing cable seals.
  • Fire sprinkler penetrations.

Jcaho Services

  • Firestop inspection and installation
  • Statement of Conditions reporting
  • PFI Documentation
  • Compliance surveys
  • Barrier Management
  • Firestop System Library
  • Above ceiling permit documentation

With a wide range of Firestopping services, Firestop Southwest can Firestop your whole building from beginning to end. Call today to create a Firestoppinig package that is customized to your buildings needs.

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