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. V425

January 25, 2018

Nonbearing Wall Rating — 1 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. Floor and Ceiling Runners — Channel-shaped runners, min 2-1/2 in. wide with 1-3/8 in. deep legs, fabricated from No. 25 MSG galv steel, attached to concrete or masonry with fasteners 24 in. OC.
    1A. Framing Members* — Floor and Ceiling Runners — Not Shown — In lieu of Item 1 — For use with Item 2A, proprietary channel shaped runners, 1-1/4 in. deep by min 2-1/2 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 CO — Viper20™ Track


    MARINO/WARE, DIV OF WARE INDUSTRIES INC — Viper20™ Track


    FUSION BUILDING PRODUCTS — Viper20™ Track


    IMPERIAL MANUFACTURING GROUP INC — Viper20™ Track


    1B. Framing Members* — Floor and Ceiling Runners — Not Shown — In lieu of Item 1 — For use with Item 2B, channel shaped runners, 1-1/4 in. deep by min 2-1/2 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 SYSTEMS — CD ProTRAK


    DMFCWBS L L C — ProTRAK


    MBA METAL FRAMING — ProTRAK


    RAM SALES L L C — Ram ProTRAK


    STEEL STRUCTURAL PRODUCTS L L C — Tri-S ProTRAK


    1C. Framing Members* — Floor and Ceiling Runners — Not Shown — In lieu of Item 1 — For use with Item 2C, proprietary channel shaped runners, 1-1/4 in. deep by min 2-1/2 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 C — Viper20™ Track


    1D. Framing Members* — Floor and Ceiling Runners — Not Shown — In lieu of Item 1 — For use with Item 2D, channel shaped runners, 1-1/4 in. deep by min 2-1/2 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 C — TRUE-TRACK™


    1E. Framing Members* — Floor and Ceiling Runners — Not Shown — In lieu of Item 1 — For use with Item 2F, channel shaped runners, 1-1/4 in. deep by min 3-1/2 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 C — AlphaTRAK


    2. Steel Studs — Channel-shaped, min 2-1/2 in. wide by 1-1/4 in. deep with 1/4 in. folded back return flange legs, fabricated from No. 25 MSG galv steel. Max stud spacing 16 in. OC. Studs to be cut to 1/2 in. less assembly height. Studs to be friction fit into floor and ceiling runners (Item 1).
    2A. Framing Members* — Steel Studs — Not Shown — In lieu of Item 2 — For use with Item 1A, proprietary channel shaped steel studs, 1-1/4 in. deep by min 2-1/2 in. wide fabricated from min 0.018 in. thick galv steel. Studs cut 1/2 in. less in length than assembly height. Spaced 16 in. OC max.

    CALIFORNIA EXPANDED METAL PRODUCTS CO — Viper20™


    MARINO/WARE, DIV OF WARE INDUSTRIES INC — Viper20™


    FUSION BUILDING PRODUCTS — Viper20™


    IMPERIAL MANUFACTURING GROUP INC — Viper20™


    2B. Framing Members* — Steel Studs — Not Shown — In lieu of Item 2 — For use with Item 1B, channel shaped steel studs, 1-1/4 in. deep by min 2-1/2 in. wide fabricated from min 0.018 in. thick galv steel. Studs cut 1/2 in. less in length than assembly height. Spaced 16 in. OC max.

    CLARKDIETRICH BUILDING SYSTEMS — CD ProSTUD


    DMFCWBS L L C — ProSTUD


    MBA METAL FRAMING — ProSTUD


    RAM SALES L L C — Ram ProSTUD


    STEEL STRUCTURAL PRODUCTS L L C — Tri-S ProSTUD


    2C. Framing Members* — Steel Studs — Not Shown — In lieu of Item 2 — For use with Item 1C, proprietary channel shaped steel studs, 1-1/4 in. deep by min 2-1/2 in. wide fabricated from min 0.018 in. thick galv steel. Studs cut 1/2 in. less in length than assembly height. Spaced 16 in. OC max.

    TELLING INDUSTRIES L L C — Viper20™


    2D. Framing Members* — Steel Studs — Not Shown — In lieu of Item 2 — For use with Item 1D, channel shaped steel studs, 1-1/4 in. deep by min 2-1/2 in. wide fabricated from min 0.018 in. thick galv steel. Studs cut 1/2 in. less in length than assembly height. Spaced 16 in. OC max.

    TELLING INDUSTRIES L L C — TRUE-STUD™


    2E. Framing Members* — Steel Studs — As an alternate to Item 2 — For use with Item 1A (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 16 in. OC. Studs to be cut 3/8 to 3/4 in. less than assembly height.

    MARINO/WARE, DIV OF WARE INDUSTRIES INC — StudRite™


    2F. Framing Members* — Steel Studs — Not Shown — In lieu of Item 2 — For use with Item 1E, channel shaped steel studs, 1-1/4 in. deep by min 3-1/2 in. wide fabricated from min 0.018 in. thick galv steel. Studs cut 1/2 in. less in length than assembly height. Spaced 16 in. OC max.

    STEEL INVESTMENT GROUP L L C — AlphaSTUD


    3. Gypsum Board* — 5/8 in. thick, 4 ft wide gypsum board attached to steel studs and floor and ceiling runners with 1-1/4 in. long self-drilling, self-tapping, bugle head steel screws spaced 8 in. OC along the edges of the board and 12 in. OC in the field of the board. Joints oriented vertically and staggered 24 in. on opposite sides of the assembly. Joints covered with paper tape and joint compound. Exposed screw heads covered with joint compound.

    NATIONAL GYPSUM CO — Types eXP-C, FSK, FSK-C, FSL, FSMR-C, FSW, FSW-3, FSW-5, FSW-6, FSW-8, FSW-C, SoundBreak XP Type X Gypsum Board


    3A. Gypsum Board* — (As an alternate to 5/8 in. Type FSW in Item 3) - 2 layers nom. 5/16 in. thick gypsum panels applied vertically. Horizontal joints on the same side need not be staggered. Inner layer attached with fasteners, as described in item 3, spaced 24 in. OC. Outer layer attached per Item 3.

    NATIONAL GYPSUM CO — Type FSW


    4. Sprayed Fiber* — Applied by spraying with water to a min untamped thickness of 1-1/2 in. within interior wall cavities. Minimum average density of 6.0 pcf with minimum individual density of 5.0 pcf. For method of density determination, refer to General Information Section.

    INTERNATIONAL CELLULOSE CORP — Celbar-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 2018-01-25
BXUV.V425 V425 BXUV 923830002 DESIGN Active 20180125 20180125 100039004 980447001 P1823606 100567625 100570268 100530754 100557430 100593062 100581840 100512119 100512119 P1369631 100039004 980447001 P1823606 100567625 100570268 100530754 100557430 100593062 100581840 100512119 100512119 980447001 P1369631 923830002 923830002 979414001

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