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. U470

May 15, 2017

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, nom 2-3/4 in. wide and nom 2 in. flanges with 1/4 in. lips. Fabricated from No. 25 MSG galv steel. Max stud spacing 24 in. OC. Stud length cut 5/8 in. less than assembly height.
    2. Floor and Ceiling Runners — (Not shown) — Channel-shaped 2-3/4 in. wide with 1-5/8 in. flanges, fabricated from No. 25 MSG galv steel. Attached to floor and ceiling with fasteners, 24 in. OC, max.
    3. Mineral and Fiber Board* — Nom 15 mm (0.591 in.) and 20 mm (0.787 in.) thick, on the fire and unexposed side, respectively, square edge board, attached to studs with No. 10 by 1-1/4 in. bugle-head, self-drilling, self-tapping steel screws, spaced 12 in. OC along vertical joints and with No. 7 by 1-1/4 in. bugle-head, self-drilling, self-tapping steel screws, spaced 6 in. OC along horizontal joints. Horizontal joints backed with strips of board between studs, measuring 23 in. long by 4 in. wide by 20 mm (0.787 in.) thick.

    PROMAT UK LTD — PROMAT-H.


    4. Batts and Blankets* — Mineral wool batt insulation, nom 4 pcf density, to completely fill interior of stud cavities.
    4A. Fiber, Sprayed* — As an alternate to Batts and Blankets (Item 4) — (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.


    4B. Fiber, Sprayed* — As an alternate to Batts and Blankets (Item 4) - 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


    * 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 2017-05-15
BXUV.U470 U470 BXUV 725188001 DESIGN Active 20170515 20170515 725188001 184866001 979414001

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