FIRE-RESISTANCE DESIGN

Assembly Usage Disclaimer

BXUV - Fire Resistance Ratings - ANSI/UL 263 Certified for United States

BXUV7 - Fire Resistance Ratings - CAN/ULC-S101 Certified for Canada

See General Information for Fire-resistance Ratings - ANSI/UL 263 Certified for United States
Design Criteria and Allowable Variances

See General Information for Fire Resistance Ratings - CAN/ULC-S101 Certified for Canada
Design Criteria and Allowable Variances

Design No. U651

May 14, 2015

Nonbearing Wall Rating — 1 and 2 Hr (See Items 1, 7 & 11)

* Indicates such products shall bear the UL or cUL Certification Mark for jurisdictions employing the UL or cUL Certification (such as Canada), respectively.

    1. Column Protection — See Design No. X524 for column protection.
    2. Girts — "Z" shape girts fabricated from 0.056 to 0.120 in. thick steel. Girts shall be 6 to 10 in. deep with 2-1/2 to 3 in. flanges.
    3. Girt Clips — Fabricated from min 0.115 in. thick steel, angles may be bolted to columns with 1/2 by 1-1/2 in. bolts and nuts or may be plates shop-welded to columns.
    4. Floor and Ceiling Runners — (Not Shown) — Top and bottom runners of wall assembly shall consist of channel shaped, min No. 20 GSG or MSG, cold-formed corrosion protected steel members. Attached to floor and ceiling assemblies with steel fasteners spaced not greater than 24 in. OC.
    5. Studs — Channel shaped, min 3-5/8 in. wide, min No. 20 GSG or MSG, cold-formed corrosion-protected steel studs.The max stud spacing of wall assembly shall not exceed 16 in. The studs are secured to the girts, floor and ceiling runners.
    6. Lateral Support Members — (Not Shown) — Where required for lateral supports of studs, support may be provided by means of steel straps, channels or similar means.
    7. Gypsum Board* — Nom. 5/8 in. thick, 4 ft wide gypsum llboard applied vertically with joints between multilayers staggered. For 1 Hr Rating — One layer of gypsum board fastened to studs with 1 in. long Type S-12 self-drilling self-tapping bugle head steel screws spaced 12 in. OC. For 2 Hr Rating — First layer of gypsum board fastened to studs same as 1 Hr. Second layer of gypsum board fastened to studs with 1-5/8 in. long Type S-12 self-drilling self-tapping bugle head steel screws spaced 12 in. OC.

    Any UL Classified Gypsum Board that is eligible for use in Design Nos. L501, G512 or U305. See Gypsum Board (CKNX) Category for names of Classified companies.

    7A. Gypsum Board* — — (As an alternate to Item 7) — Nominal 5/8 in. thick, 4 ft wide panels, secured as described in Item 7.

    PABCO BUILDING PRODUCTS L L C, DBA PABCO GYPSUM — Type QuietRock ES


    7B. Wall and Partition Facings and Accessories* — (As an alternate to Item 7 and 7A) — Composite Gypsum Panel — Nominal 5/8 in. thick, 4 ft wide panels, secured as described in Item 7.

    PABCO BUILDING PRODUCTS L L C, DBA PABCO GYPSUM — Type QuietRock 527


    8. Joint Tape and Compound — Vinyl or casein, dry or premixed joint compound applied in two coats to joints and screw heads. Perforated paper tape, 2 in. wide, embedded in first layer of compound over all joints of outer layer.
    8A. Gypsum Board* — (As an alternate to Item 7) - 5/8 in. thick, 4 ft. wide, paper surfaced, applied vertically and fastened to the studs and plates. For 1 Hr Rating — One layer of wallboard fastened to studs with 1 in. long Type S-12 self-drilling self-tapping bugle head steel screws spaced 8 in. OC. For 2 Hr Rating — First layer of wallboard fastened to studs same as 1 Hr. Second layer of wallboard fastened to studs with 1-5/8 in. long Type S-12 self-drilling self-tapping bugle head steel screws spaced 12 in. OC.

    NATIONAL GYPSUM CO — SoundBreak XP Type X Gypsum Board


    9. Batts and Blankets* — Placed between the girts and the steel wall panels. Nom 4 in. thickness of glass fiber or mineral wool batt material bearing the UL Classification Marking as to Fire Resistance.

    See Batts and Blankets* (BZJZ) Category for names of Classified companies.

    9A. Fiber, Sprayed* — As an alternate to Batts and Blankets (Item 9) — (100% Borate Formulation) — Spray applied cellulose material. The fiber is applied with water to completely fill the enclosed cavity in accordance with the application instructions supplied with the product with a nominal dry density of 2.7 lb/ft3. Alternate Application Method: The fiber is applied without water or adhesive at a nominal dry density of 3.5 lb/ft3, in accordance with the application instructions supplied with the product.

    U S GREENFIBER L L C — INS735 & INS745 for use with wet or dry application. INS765LD and INS770LD are to be used for dry application only.


    9B. Fiber, Sprayed* — As an alternate to Batts and Blankets (Item 9) - Spray applied cellulose fiber. The fiber is applied with water to completely fill the enclosed cavity in accordance with the application instructions supplied with the product. The minimum dry density shall be 4.30 lbs/ft3.

    INTERNATIONAL CELLULOSE CORP — Celbar-RL


    10. Wall and Partition Facings and Accessories* — Steel wall panels — Steel min No. 26 MSG, 36 in. wide and 1 in. deep. Fastened to structural supports with No. 12 by 7/8 in. long self-drilling, self-tapping steel screws spaced 6 in. at top and bottom and 12 in. OC at the intermediate girts.
    11. Gypsum Board* — For exterior walls, nom. 5/8 in. thick, 4 ft wide exterior gypsum sheathing applied vertically with joints between multilayers staggered. For 1 Hr Rating — One layer of gypsum sheathing fastened to steel wall panels with 1 in. long Type S-12 self-drilling self-tapping bugle head steel screws spaced 12 in. OC. For 2 Hr Rating — First layer of gypsum sheathing fastened to studs same as 1 Hr. Second layer of gypsum sheathing fastened to steel wall panels with 1-5/8 in. long Type S-12 self-drilling self-tapping bugle head steel screws spaced 12 in. OC.

    Any UL Classified Gypsum Board that is eligible for use in Design Nos. L501, G512 or U305. See Gypsum Board (CKNX) Category for names of Classified companies.

    12. EIFS — The Exterior Insulation Finish System consists of the following:
      A. Foamed Plastics* — Nom 1-1/2 in. thick polystyrene boards attached to steel wall panels with 2-7/8 or 3-1/2 in. long by 1/4 in. diam shank steel screws with 1-3/4 in. diam plastic washers with caps.

      See Foamed Plastic (CCVW) Category for names of Classified Companies.

      B. Synthetic Stucco — A synthetic stucco attached to the polystyrene boards and meeting the requirements of local code agencies.

    * Indicates such products shall bear the UL or cUL Certification Mark for jurisdictions employing the UL or cUL Certification (such as Canada), respectively.

Last Updated on 2015-05-14
BXUV.U651 U651 BXUV 184866001 DESIGN Active 20150514 20150514 100046076 100046076 923830002 184866001 979414001

Design/System/Construction/Assembly Usage Disclaimer

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