F Ratings — 1 and 2 Hr (See Item 1)

T Rating — 0 Hr

    1. Wall Assembly — The 1 or 2 hr fire-rated gypsum board/stud wall assembly shall be constructed of the materials and in the manner specified in the individual U300 or U400 Series Wall and Partition Designs in the UL Fire Resistance Directory and shall include the following construction features:
      A. Studs — Wall framing may consist of either wood studs or steel channel studs. Wood studs to consist of nom 2 by 4 in. lumber spaced 16 in. OC. Steel studs to be min 2-1/2 in. wide and spaced max 24 in. OC.
      B. Gypsum Board* — 5/8 in. thick, 4 ft wide with square or tapered edges. The gypsum board type, thickness, number of layers, fastener type and sheet orientation shall be as specified in the individual U300 or U400 series design in the UL Fire Resistance Directory. Max diam of opening is 2-1/2 in.

      The hourly F rating of the firestop system is equal to the hourly fire rating of the wall assembly in which it is installed.

    2. Cables — Aggregate cross-sectional area of cable in opening to be max 40 percent of the aggregate cross-sectional area of the opening. Cables to be centered and rigidly supported on both sides of wall assembly. The following types and sizes of copper conductor cables may be used:
      A. Max 50 pair No. 24 AWG (or smaller) copper conductor telephone cables with polyvinyl chloride (PVC) insulation and jacket materials.
      B. Max 2/C (with ground) No.12 AWG (or smaller) PVC insulated and jacketed nonmetallic sheathed cable.
    3. Fill, Void or Cavity Material* — Pillow — Pillow like material tightly wrapped around the outer circumference of the cables (Item 2). The material shall extend a min of 1 in. beyond both surfaces of wall assembly.

    RECTORSEAL — Flame Safe Bags


XHEZ.W-L-3006 W-L-3006 XHEZ 613495002 SYSTEM Active 20100108 20100108 613495002