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. U471

January 24, 2018

Nonbearing Wall Rating — 1-1/2 HR.

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

    1. Studs — Channel-shaped, min 3-5/8 in. wide with 1-1/4 in. flanges and 3/8 in. lips. Fabricated from No. 25 MSG galv steel. Max stud spacing is 24 in. OC. Stud length cut 3/4 in. less than assembly height.
    1A. Framing Members* — Steel Studs — Not Shown — In lieu of Item 1 — For use with Item 2A, proprietary channel shaped steel studs, 1-1/4 in. deep by min 3-5/8 in. wide fabricated from min 0.018 in. thick galv steel. Studs cut 3/4 in. less in length than assembly height. Max stud spacing is 24 in. OC.

    CALIFORNIA EXPANDED METAL PRODUCTS COViper20™


    MARINO/WARE, DIV OF WARE INDUSTRIES INCViper20™


    FUSION BUILDING PRODUCTSViper20™


    IMPERIAL MANUFACTURING GROUP INCViper20™


    1B. Framing Members* — Steel Studs — Not Shown — In lieu of Item 1 — For use with Item 2B, channel shaped steel studs, 1-1/4 in. deep by min 3-5/8 in. wide fabricated from min 0.018 in. thick galv steel. Studs cut 3/4 in. less in length than assembly height. Max stud spacing is 24 in. OC.

    CLARKDIETRICH BUILDING SYSTEMSCD ProSTUD


    DMFCWBS L L CProSTUD


    MBA METAL FRAMINGProSTUD


    RAM SALES L L CRam ProTRAK


    STEEL STRUCTURAL PRODUCTS L L CTri-S ProSTUD


    1C. Framing Members* — Steel Studs — Not Shown — In lieu of Item 1 — For use with Item 2C, proprietary channel shaped steel studs, 1-1/4 in. deep by min 3-5/8 in. wide fabricated from min 0.018 in. thick galv steel. Studs cut 3/4 in. less in length than assembly height. Max stud spacing is 24 in. OC.

    TELLING INDUSTRIES L L CViper20™


    1D. Framing Members* — Steel Studs — Not Shown — In lieu of Item 1 — For use with Item 2D, channel shaped steel studs, 1-1/4 in. deep by min 3-5/8 in. wide fabricated from min 0.018 in. thick galv steel. Studs cut 3/4 in. less in length than assembly height. Max stud spacing is 24 in. OC.

    TELLING INDUSTRIES L L CTRUE-STUD™


    1E. Framing Members* — Steel Studs — As an alternate to Item 1 — For use with Item 2A (3-5/8 in. wide track), channel shaped studs, fabricated from min 25 MSG corrosion-protected steel, 1-1/4 in. wide by 3-5/8 in. deep, spaced a max of 24 in. OC. Studs to be cut 3/8 to 3/4 in. less than assembly height.

    MARINO/WARE, DIV OF WARE INDUSTRIES INCStudRite™


    1F. Framing Members* — Steel Studs — Not Shown — In lieu of Item 1 — For use with Item 2E, channel shaped steel studs, 1-1/4 in. deep by min 3-5/8 in. wide fabricated from min 0.018 in. thick galv steel. Studs cut 3/4 in. less in length than assembly height. Max stud spacing is 24 in. OC.

    STEEL INVESTMENT GROUP L L CAlphaSTUD


    2. Floor and Ceiling Runners — Channel-shaped, min 3-5/8 in. wide with 1-1/8 in. flanges, fabricated from No. 25 MSG galv steel. Attached to floor and ceiling with runners fasteners 24 in. OC, max.
    2A. Framing Members* — Floor and Ceiling Runner — Not Shown — In lieu of Item 2 — For use with Item 1A, proprietary channel shaped runners, 1-1/4 in. deep by min 3-5/8 in. wide fabricated from min 0.018 in. thick galv steel, attached to floor and ceiling with fasteners spaced 24 in. OC max.

    CALIFORNIA EXPANDED METAL PRODUCTS COViper20™ Track


    MARINO/WARE, DIV OF WARE INDUSTRIES INCViper20™ Track


    FUSION BUILDING PRODUCTSViper20™ Track


    IMPERIAL MANUFACTURING GROUP INCViper20™ Track


    2B. Framing Members* — Floor and Ceiling Runners — Not Shown — In lieu of Item 2 — For use with Item 1B, channel shaped runners, 1-1/4 in. deep by min 3-5/8 in. wide fabricated from min 0.018 in. thick galv steel, attached to floor and ceiling with fasteners spaced 24 in. OC max.

    CLARKDIETRICH BUILDING SYSTEMSCD ProTRAK


    DMFCWBS L L CProTRAK


    MBA METAL FRAMINGProTRAK


    RAM SALES L L CRam ProSTUD


    STEEL STRUCTURAL PRODUCTS L L CTri-S ProTRAK


    2C. Framing Members* — Floor and Ceiling Runner — Not Shown — In lieu of Item 2 — For use with Item 1C, proprietary channel shaped runners, 1-1/4 in. deep by min 3-5/8 in. wide fabricated from min 0.018 in. thick galv steel, attached to floor and ceiling with fasteners spaced 24 in. OC max.

    TELLING INDUSTRIES L L CViper20™ Track


    2D. Framing Members* — Floor and Ceiling Runners — Not Shown — In lieu of Item 2 — For use with Item 1D, channel shaped runners, 1-1/4 in. deep by min 3-5/8 in. wide fabricated from min 0.018 in. thick galv steel, attached to floor and ceiling with fasteners spaced 24 in. OC max.

    TELLING INDUSTRIES L L CTRUE-TRACK™


    2E. Framing Members* — Floor and Ceiling Runners — Not Shown — In lieu of Item 2 — For use with Item 1F, channel shaped runners, 1-1/4 in. deep by min 3-5/8 in. wide fabricated from min 0.018 in. thick galv steel, attached to floor and ceiling with fasteners spaced 24 in. OC max.

    STEEL INVESTMENT GROUP L L CAlphaTRAK


    3. Mineral and Fiber Boards* — 0.591 in. (15 mm) thick, square edge boards. Board joints centered on studs. Attached to studs and floor and ceiling runners with screws, (Item 4). Max spacing of screws along the board perimeter and in the field is 12 in. OC. Screws along joints spaced 5/16 in. to 3/8 in. from the joint and staggered a min of 1-3/4 in. from the screws on the opposite side of the joints.

    PROMAT UK LTDPROMAT-H.


    4. Fasteners — Type S, bugle-head steel screws, self-drilling and self-tapping, 1-5/8 in. long.
    5. Batts and Blankets* — Min 3-1/4 in. thick mineral wool batt insulation, nom 4 pcf density.

      See Batts and Blankets (BZJZ) category for names of manufacturers.

    5A. Fiber, Sprayed* — As an alternate to Batts and Blankets (Item 5) — (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 CINS735 & INS745 for use with wet or dry application. INS765LD and INS770LD are to be used for dry application only.


    5B. Fiber, Sprayed* — As an alternate to Batts and Blankets (Item 5) — 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 CORPCelbar-RL


    * 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 2018-01-24
BXUV.U471 U471 BXUV 725188001 DESIGN Active 20180124 20180125 100039004 980447001 P1823606 100567625 100570268 100530754 100557430 100593062 100581840 100512119 100512119 980447001 P1662204 100039004 980447001 P1823606 100567625 100570268 100530754 100557430 100593062 100581840 100512119 100512119 P1662204 725188001 184866001 979414001

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