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. U412

September 11, 2019

Nonbearing Wall Rating — 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. Floor and Ceiling Runner — (Not Shown) — 25 MSG (min) galv steel 1 in. high, return legs 1-5/8 in. wide (min), attached to floor and ceiling with fasteners 24 in. OC max.
    1A. Framing Members* — Floor and Ceiling Runners — (Not Shown) — As an alternate to Item 1 - For use with Item 2A, channel shaped, min 1-5/8 in. wide, attached to floor and ceiling with fasteners 24 in. OC. max.

    ALLSTEEL & GYPSUM PRODUCTS INCType SUPREME D24/30EQD and Type SUPREME D20


    CONSOLIDATED FABRICATORS CORP, BUILDING PRODUCTS DIVType SUPREME D24/30EQD and Type SUPREME D20


    QUAIL RUN BUILDING MATERIALS INCType SUPREME D24/30EQD and Type SUPREME D20


    SCAFCO STEEL STUD MANUFACTURING COType SUPREME D24/30EQD and Type SUPREME D20


    STEEL CONSTRUCTION SYSTEMS INCType SUPREME D24/30EQD and Type SUPREME D20


    UNITED METAL PRODUCTS INCType SUPREME D24/30EQD and Type SUPREME D20


    1B. Framing Members — Floor and Ceiling Runner* — (Not Shown) — In lieu of Item 1 — For use with Item 2B, proprietary channel shaped runners, 1-1/4 in. deep by min 1-5/8 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


    1C. Framing Members* — Floor and Ceiling Runners — (Not Shown) — As an alternate to Item 1 - For use with Item 2C, channel shaped, min 1-5/8 in. wide fabricated from min 0.015 in. thick galv steel, attached to floor and ceiling with fasteners 24 in. OC. max.

    CLARKDIETRICH BUILDING SYSTEMSCD ProTRAK


    DMFCWBS L L CProTRAK


    MBA METAL FRAMINGProTRAK


    RAM SALES L L CRam ProTRAK


    STEEL STRUCTURAL PRODUCTS L L CTri-S ProTRAK


    1D. Framing Members* — Floor and Ceiling Runners — (Not Shown) — As an alternate to Item 1 - For use with Item 2D, channel shaped, min 1-5/8 in. wide fabricated from min 0.018 in. thick galv steel, attached to floor and ceiling with fasteners 24 in. OC. max.

    TELLING INDUSTRIES L L CTRUE-TRACK™


    1E. Framing Members* — Floor and Ceiling Runners — (Not Shown) — As an alternate to Item 1 - For use with Item 2E, channel shaped, min 1-5/8 in. wide fabricated from min 25 MSG steel, attached to floor and ceiling with fasteners 24 in. OC. max.

    KIRII (HONG KONG) LTDType KIRII


    1F. Framing Members — Floor and Ceiling Runner* — (Not Shown) — In lieu of Item 1 — For use with Item 2F, proprietary channel shaped runners, 1-1/4 in. deep by min 1-5/8 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


    1G. Framing Members* — Floor and Ceiling Runners — (Not Shown) — As an alternate to Item 1 - For use with Item 2G, channel shaped, min 1-5/8 in. wide (SmartTrack20™), min 3-5/8 in. wide (SmartTrack25™), attached to floor and ceiling with fasteners 24 in. OC max.

    CRACO MFG INCSmartTrack25™, SmartTrack20™


    1H. Framing Members* — Floor and Ceiling Runners — (Not Shown) — As an alternate to Item 1 - For use with Item 2K. Channel shaped, attached to floor and ceiling with fasteners 24 in. OC. max.

    BAILEY METAL PRODUCTS LTDType PLATINUM PLUS


    1I. Framing Members* — Floor and Ceiling Runners — (Not Shown) — As an alternate to Item 1 - For use with Item 2L, channel shaped, min 3-1/2 in. wide fabricated from min 0.018 in. thick galv steel, attached to floor and ceiling with fasteners 24 in. OC. Max.

    STEEL INVESTMENT GROUP L L CAlphaTRAK


    1J. Framing Members — Floor and Ceiling Runner* — (Not Shown) — In lieu of Item 1 — For use with Item 2M, proprietary channel shaped runners, 1-1/4 in. deep by min 1-5/8 in. wide fabricated from min 25 MSG (0.018 in. min. bare metal thickness), attached to floor and ceiling with fasteners spaced 24 in. OC max.

    CALIFORNIA EXPANDED METAL PRODUCTS COViper X Track


    1K. Framing Members* — Floor and Ceiling Runners — (Not Shown) — In lieu of Item 1 - For use with Item 2N. Channel shaped, min. 1-5/8 in. wide, attached to floor and ceiling with fasteners 24 in. OC. max.

    ALLSTEEL & GYPSUM PRODUCTS INCType SUPREME D25


    CONSOLIDATED FABRICATORS CORP, BUILDING PRODUCTS DIVType SUPREME D25


    QUAIL RUN BUILDING MATERIALS INCType SUPREME D25


    SCAFCO STEEL STUD MANUFACTURING COType SUPREME D25


    STEEL CONSTRUCTION SYSTEMS INCType SUPREME D25


    UNITED METAL PRODUCTS INCType SUPREME D25


    2. Steel Studs — 1-5/8 in. wide (min), 1-1/4 in. legs, 1/4 in. return, formed of 25 MSG (min) galv steel max stud spacing 24 in. OC. Studs to be cut 3/4 in. less than assembly height.
    2A. Framing Members*— Steel Studs — As an alternate to Item 2 — For use with Item 1A, channel shaped studs, min 1-5/8 in. wide, spaced a max of 24 in. OC. Studs to be cut 3/4 in. less than assembly height.

    ALLSTEEL & GYPSUM PRODUCTS INCType SUPREME D24/30EQD and Type SUPREME D20


    CONSOLIDATED FABRICATORS CORP, BUILDING PRODUCTS DIVType SUPREME D24/30EQD and Type SUPREME D20


    QUAIL RUN BUILDING MATERIALS INCType SUPREME D24/30EQD and Type SUPREME D20


    SCAFCO STEEL STUD MANUFACTURING COType SUPREME D24/30EQD and Type SUPREME D20


    STEEL CONSTRUCTION SYSTEMS INCType SUPREME D24/30EQD and Type SUPREME D20


    UNITED METAL PRODUCTS INCType SUPREME D24/30EQD and Type SUPREME D20


    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 1-5/8 in. wide fabricated from min 0.018 in. thick galv steel. Studs to be cut 3/4 in. less in length than assembly height.

    CALIFORNIA EXPANDED METAL PRODUCTS COViper20™


    MARINO/WARE, DIV OF WARE INDUSTRIES INCViper20™


    FUSION BUILDING PRODUCTSViper20™


    IMPERIAL MANUFACTURING GROUP INCViper20™


    2C. Framing Members* — Steel Studs — As an alternate to Item 2 — For use with Item 1C, channel shaped studs, min 1-5/8 in. wide fabricated from min 0.015 in. thick galv steel, spaced a max of 24 in. OC. Studs to be cut 3/4 in. less than assembly height.

    CLARKDIETRICH BUILDING SYSTEMSCD ProSTUD


    DMFCWBS L L CProSTUD


    MBA METAL FRAMINGProSTUD


    RAM SALES L L CRam ProSTUD


    STEEL STRUCTURAL PRODUCTS L L CTri-S ProSTUD


    2D. Framing Members*— Steel Studs — As an alternate to Item 2 — For use with Item 1D, channel shaped studs, min 1-5/8 in. wide fabricated from min 0.018 in. thick galv steel, spaced a max of 24 in. OC. Studs to be cut 3/4 in. less than assembly height.

    TELLING INDUSTRIES L L CTRUE-STUD™


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

    KIRII (HONG KONG) LTDType KIRII


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

    TELLING INDUSTRIES L L CViper20™


    2G. Framing Members* — Steel Studs — As an alternate to Item 2 — For use with Item 1G, channel shaped studs, min 1-5/8 in. wide (SmartStud20™), min 3-5/8 in. wide (SmartStud25™) spaced a max of 24 in. OC. Studs to be cut 3/4 in. less than assembly height.

    CRACO MFG INCSmartStud25™, SmartStud20™


    2H. Framing Members* — Steel Studs — Not Shown — In lieu of Item 2 — For use with Item 1, channel shaped steel studs, 1-1/4 in. deep by min 1-5/8 in. wide fabricated from min 25 MSG galv steel. Studs to be cut 3/4 in. less in length than assembly height.

    EB METAL INCNITROSTUD


    2I. Framing Members* — Steel Studs — Not Shown — In lieu of Item 2 — For use with Item 1, channel shaped steel studs, min 1-5/8 in. deep by min 1-1/4 in. wide, fabricated from min 25 MSG galv steel. Studs cut 3/4 in. less in length than assembly height.

    OLMAR SUPPLY INCPRIMESTUD


    2J. Framing Members* — Steel Studs — As an alternate to Item 2 — For use with Item 1B (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™


    2K. Framing Members* — Steel Studs — As an alternate to Item 2 — For use with Item 1H, channel shaped, min 3-5/8 in. wide, spaced a max of 24 in. OC. Studs to be cut 3/8 to 3/4 in. less than assembly height.

    BAILEY METAL PRODUCTS LTDType PLATINUM PLUS


    2L. Framing Members*— Steel Studs — As an alternate to Item 2 — For use with Item 1I, channel shaped studs, min 3-1/2 in. wide fabricated from min 0.018 in. thick galv steel, spaced a max of 24 in. OC. Studs to be cut 3/4 in. less than assembly height.

    STEEL INVESTMENT GROUP L L CAlphaSTUD


    2M. Framing Members* — Steel Studs — (Not Shown) — In lieu of Item 2 — For use with Item 1J, channel shaped steel studs, 1-1/4 in. deep by min 1-5/8 in. wide fabricated from min 25 MSG (0.018 in. min. bare metal thickness). Studs to be cut 3/4 in. less in length than assembly height.

    CALIFORNIA EXPANDED METAL PRODUCTS COViper X


    2N. Framing Members* — Steel Studs — In lieu of Item 2 — For use with item 1K. Channel shaped studs, min depth 1-5/8 in. wide, spaced a max of 24 in. OC. Studs to be cut 3/4 in. less than assembly height.

    ALLSTEEL & GYPSUM PRODUCTS INCType SUPREME D25


    CONSOLIDATED FABRICATORS CORP, BUILDING PRODUCTS DIVType SUPREME D25


    QUAIL RUN BUILDING MATERIALS INCType SUPREME D25


    SCAFCO STEEL STUD MANUFACTURING COType SUPREME D25


    STEEL CONSTRUCTION SYSTEMS INCType SUPREME D25


    UNITED METAL PRODUCTS INCType SUPREME D25


    3. Batts and Blankets* — (Optional) — Mineral wool or glass fiber batts partially or completely filling stud cavity.

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

    3A. Fiber, Sprayed* — As an alternate to Batts and Blankets (Item 3) — (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 and INS750LD for use with wet or dry application. INS765LD and INS773LD are to be used for dry application only.


    3B. Fiber, Sprayed* — As an alternate to Batts and Blankets (Item 3) - Spray applied cellulose insulation material. The fiber is applied with water to interior surfaces in accordance with the application instructions supplied with the product. Applied to completely fill the enclosed cavity. Minimum dry density of 4.3 pounds per cubic ft.

    NU-WOOL CO INCCellulose Insulation


    3C. Fiber, Sprayed* — As an alternate to Batts and Blankets (Item 3) — 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


    3D. Fiber, Sprayed* — As an alternate to Batts and Blankets (Item 3) — 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. To facilitate the installation of the material, any thin, woven or non-woven netting may be attached by any means possible to the outer face the studs. The material shall reach equilibrium moisture content before the installation of materials on either face of the studs. The minimum dry density shall be 5.79 lbs/ft3.

    APPLEGATE HOLDINGS L L CApplegate Advanced Stabilized Cellulose Insulation


    4. Gypsum Board* — 1/2 in. thick. Gypsum board applied vertically in two layers. (Laminated System) Inner layer attached to studs with 1 in. long Type S steel screws spaced 24 in. O.C. along vertical edges and 24 in. O.C. in the field. Outer layer laminated to inner layer with joint compound, applied with a notched spreader producing continuous beads of compound about 3/8 in. in diameter, spaced not greater than 2 in. O.C. Joints of laminated outer layer offset 12 in. from inner layer joints. Outer layer gypsum board attached to inner layer with 1-1/2 in. long Type G steel screws spaced 24 in. O.C. along edges and center line of each sheet.

    Optional, (Direct Attached System) Gypsum board applied vertically in two layers. Inner layer attached to studs with 1 in. long Type S steel screws spaced 24 in. O.C. in the field and along the vertical edges. Outer layer attached to the studs over the inner layer with 1-5/8 in. long Type S steel screws spaced 12 in. O.C. in the field, along the vertical edges, and to the floor and ceiling runners. Joints of screw-attached outer layer offset from inner layer joints.

    Optional, (Direct Attached System) Inner layer gypsum board applied vertically, outer layer wallboard applied horizontally. Inner layer attached to studs with 1 in. Type S steel screws spaced 24 in. O.C. along vertical edges and in the field. Outer layer attached to the studs over the inner layer with 1-5/8 in. long Type S steel screws spaced 12 in. OC in the field, along the vertical edges, and to the floor and ceiling runners. Outer layer secured to inner layer gypsum board with 1-1/2 in. long Type G steel screws located midway between studs and 1 in. from the horizontal joint.

    Outer layer gypsum board joints covered with joint tape and min two coats of joint compound, and screw heads covered with min two coats of joint compound. As an alternate, nom 3/32 in. thick gypsum veneer plaster may be applied to the entire surface of Classified veneer baseboard. Joints reinforced.

    CABOT MANUFACTURING ULCType C


    AMERICAN GYPSUM COTypes AG-C.


    CERTAINTEED GYPSUM INCType FRPC, Type C.


    CGC INCType C, IP-X2, IPC-AR or WRC.


    CONTINENTAL BUILDING PRODUCTS OPERATING CO, L L CType LGFC-C/A.


    GEORGIA-PACIFIC GYPSUM L L CTypes 5, C, DAP, DA, DAPC, TG-C.


    NATIONAL GYPSUM COTypes eXP-C, FSK-C, FSW-G, FSW-C, FSMR-C.


    PABCO BUILDING PRODUCTS L L C, DBA PABCO GYPSUMType PG-C.


    PANEL REY S A Type PRC


    SAINT-GOBAIN GYPROC MIDDLE EAST FZEType Gyproc FireStop, Gyproc FireStop MR, Gyproc FireStop M2TECH, Gyproc FireStop ACTIV'Air, Gyproc FireStop MR ACTIV'Air, Gyproc FireStop M2TECH ACTIV'Air


    THAI GYPSUM PRODUCTS PCLType C.


    UNITED STATES GYPSUM COType C, IP-X2, IPC-AR or WRC.


    USG BORAL DRYWALL SFZ LLCType C


    USG MEXICO S A DE C VType C, IP-X2, IPC-AR or WRC.


    4A. Gypsum Board* — (As an alternate to Item 4) — 5/8 in. thick. Two layers installed by any method as described in Item 4.

    NATIONAL GYPSUM CO Type FSMR-C.


    UNITED STATES GYPSUM COType ULIX


    5. Furring Channels — (Optional, Not Shown, for single or double layer systems) — Resilient furring channels fabricated from min 25 MSG corrosion-protected steel, spaced vertically a max of 24 in. OC. Flange portion attached to each intersecting stud with 1/2 in. long Type S-12 steel screws.

    * 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 2019-09-11
BXUV.U412 U412 BXUV 923830002 DESIGN Active 20190911 20190911 100532072 100532328 100532018 100035951 469858001 100532333 100039004 980447001 P1823606 100567625 100570268 100530754 100557430 100593062 100581840 100512119 100057581 100512119 100516574 909238002 P1662204 100039004 100532072 100532328 100532018 100035951 469858001 100532333 100532072 100532328 100532018 100035951 469858001 100532333 100039004 980447001 P1823606 100567625 100570268 100530754 100557430 100593062 100581840 100512119 100057581 100512119 100516574 P1087387 100531289 980447001 909238002 P1662204 100039004 100532072 100532328 100532018 100035951 469858001 100532333 184866001 882208001 979414001 123185001 100562937 283066001 100219806 846414005 294450001 299592001 923830002 100046076 544217001 100572141 100584219 730408054 P1802957 287840003 923830002 730408054

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