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TPF — Through-Penetration Firestop

TPF — Through-Penetration Firestop

  • Use when penetrating a 2 hour fire-rated floor or wall with IVSI-Z3 or IVSI-Z4 grease duct
  • Z-Clear Materials Available: Aluminized Steel, 304 or 316 Stainless Steel

Ordered Part Includes:

One closure band, two cover plate halves, 12” wide insulation strip and one 4” insulation strip.


1.  For use with IVSI-Z3 and IVSI-Z4 grease duct only.
2.  One kit required for a floor penetration and two kits required for wall penetrations. Reference installation instructions.