F Rating — 2 Hr

T Rating — 2 Hr

    1. Wall Assembly — Min 6 in. thick lightweight or normal weight (100-150 pcf) concrete wall assembly. Wall may also be constructed of any UL Classified Concrete Blocks*. Max diam of opening is 5-1/2 in.

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

    2. Through Penetrants — One nonmetallic pipe to be centered within the firestop system. A nom annular space of 1/2 in. is required within the firestop system. Pipe to be rigidly supported on both sides of wall assembly. The following types and sizes of nonmetallic pipes may be used:
      A. Acrylonitrile Butadiene Styrene (ABS) Pipe — Nom 4 in. diam (or smaller) Schedule 40 cellular or solid core ABS pipe for use in closed (process or supply) or vented (drain, waste or vent) piping systems.
      B. Polyvinyl Chloride (PVC) Pipe — Nom 4 in. diam (or smaller) Schedule 40 cellular or solid core PVC pipe for use in closed (process or supply) or vented (drain, waste or vent) piping systems.
      C. Chlorinated Polyvinyl Chloride (CPVC) Pipe — Nom 4 in. diam (or smaller) SDR 13.5 CPVC pipe for use in closed (process or supply) piping systems.
    3. Firestop System — The firestop system shall consist of the following:
      A. Fill, Void or Cavity Material* - Wrap Strip — Two layers of nom 1/4 in. thick by 2 in. wide intumescent wrap strip individually wrapped around the outer circumference of the pipe and slid into the annular space on each side of wall such that wrap strip extends 3/4 in. beyond each surface of wall. Butted ends in successive layers shall be offset. Wrap strip secured with tape, wire or tie wire.

      RECTORSEAL — Metacaulk Wrap Strip


XHEZ.W-J-2094 W-J-2094 XHEZ 613495002 SYSTEM Active 20170313 20170313 613495002