F Rating — 2 Hr

T Rating — 2 Hr

    1. Wall Assembly — Min 6 in. thick reinforced lightweight or normal weight (100-150 pcf) concrete. Wall may also be constructed of any UL Classified Concrete Blocks*. Max diam of opening is 6 in.

      See Concrete Blocks (CAZT) category in the Fire Resistance Directory for names of manufacturers.

    2. Steel Wire Mesh — Cylindrical sleeve fabricated from No. 8 steel wire mesh and having a min 2 in. lap along the longitudinal seam. Length of steel mesh to be 1/2 in. less than thickness of wall. Steel wire mesh to be centered and formed to fit periphery of through opening.
    3. Nonmetallic Penetrants — A max of three nonmetallic penetrants may be installed within the opening. Min separation between nonmetallic penetrants is 1 in. The annular space between nonmetallic penetrants and periphery of opening shall be min 1 in. to max 2 in. Through-penetrants shall be rigidly supported on both sides of wall assembly. Any combination of the following types and sizes of nonmetallic penetrants may be used:
      A. Electrical Nonmetallic Tubing (ENT)+ — Nom 1 in. diam (or smaller) Electrical Nonmetallic Tubing. ENT installed in accordance with Article 331 of the National Electrical Code (NFPA No. 70).

      See Electrical Nonmetallic Tubing (FKHU) category in the Electrical Construction Material Directory for names of manufacturers.

      B. Optical Fiber Raceways+ — Nom 1 in. diam (or smaller) Optical Fiber Raceways. Optical fiber raceways installed in accordance with Article 770 of the National Electrical Code (NFPA No. 70).

      See Optical Fiber Raceways (QAZM) category in the Electrical Construction Material Directory for names of manufacturers.

    4. Firestop System — The Firstop system shall consist of the following:
      A. Packing Material — Min 5 in. thickness of min 4 pcf mineral wool batt insulation firmly packed into opening as a permanent form. Packing material to be recessed from both surfaces of wall as required to accommodate the required thickness of fill material.
      B. Fill, Void or Cavity Material*— Caulk — Min 1/2 in. thickness of fill material applied within the annulus, flush with both surfaces of wall.

      RECTORSEAL — Metacaulk 1000


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XHEZ.W-J-2065 W-J-2065 XHEZ 613495002 System ACTIVE 19991203 19991203 613495002