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. U333

June 14, 2019

Bearing Wall Rating — 1 Hr.

Finish Rating — 23 min.

This design was evaluated using a load design method other than the Limit States Design Method (e.g., Working Stress Design Method). For jurisdictions employing the Limit States Design Method, such as Canada, a load restriction factor shall be used — See Guide BXUV or BXUV7

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

    1. Wood Studs — Nom 2 by 4 in., spaced 16 in. OC effectively cross braced.
    2. Gypsum Board* — 5/8 in. thick, 4 ft wide, applied either vertically or horizontally, screw attached to studs and plates with 1-1/4 in. long Type W steel screws, spaced 12 in. OC.

    AMERICAN GYPSUM COTypes AG-C


    CERTAINTEED GYPSUM INCType C


    CGC INCTypes C, IP-X2, IPC-AR


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


    GEORGIA-PACIFIC GYPSUM L L CTypes 5, DAPC, TG-C


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


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


    PANEL REY S A Types PRC, PRC2


    THAI GYPSUM PRODUCTS PCLType C


    UNITED STATES GYPSUM COTypes C, IP-X2, IPC-AR, ULIX


    USG BORAL DRYWALL SFZ LLCType C


    USG MEXICO S A DE C VTypes C, IP-X2, IPC-AR


    3. Batts and Blankets* — (Optional) — Mineral wool insulation, partially or completely filling stud cavity.

    ROCKWOOLType SAFEnSOUND


    THERMAFIBER INCType SAFB, SAFB FF


    3A. 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 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. INS510LD, INS515LD, INS541LD, INS735, INS745, INS765LD, and INS770LD 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 INC Cellulose 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. Joints and Nailheads — Wallboard joints covered with paper tape and joint compound. Screw heads covered with joint compound.
    5. Non-Bearing Wall Partition Intersection — (Optional) — Two nominal 2 by 4 in. stud or nominal 2 by 6 in. stud nailed together with two 3in. long 10d nails spaced a max. 16 in. OC. vertically and fastened to one side of the minimum 2 by 4 in. stud with 3 in. long 10d nails spaced a max 16 in. OC. vertically. Intersection between partition wood studs to be flush with the 2 by 4 in. studs. The wall partition wood studs are to be framed by with a second 2 by 4 in. wood stud fastened with 3 in. long 10d nails spaced a max. 16 in. OC. vertically. Maximum one non-bearing wall partition intersection per stud cavity. Non-bearing wall partition stud depth shall be at a minimum equal to the depth of the bearing wall.

    * 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 2019-06-14
BXUV.U333 U333 BXUV 923830002 DESIGN Active 20190614 20190614 283066001 100219806 846414005 294450001 299592001 923830002 100046076 544217001 100584219 730408054 P1802957 287840003 P1798035 324198001 184866001 882208001 979414001 123185001

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