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. U626

May 15, 2018

Nonbearing Wall Rating — 3 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. Steel Supports — 3 by 3 by 1/4 in. steel angles attached to masonry with 2 in. long by 3/8 in. diam steel bolts with expansion shields.
    2. Steel Flashings — Fabricated from No. 18 MSG painted steel. Side flashings on the liner side are 2 by 3 in. angles with the 3 in. leg attached to the liner units using No. 14 by 1 in. self-tapping steel screws spaced 12 in. OC. Side flashings on the facing unit side are 1-1/2 by 1-1/2 in. angles attached to the facing units with No. 14 by 1 in. self-tapping steel screws spaced 12 in. OC. Top flashing angles on the facing unit side are 2 by 2 in. angles attached to the facing units with No. 14 by 1 in. self-tapping steel screws spaced 12 in. OC. Bottom flashing on the facing units are 2 by 4 in. angles, placed with the long leg between the sub-girt and the facing unit and held in place by the sub-girt fasteners.
    3. Wall and Partition Facing and Accessories*— Steel Liner Units — Nom 12 in. wide by 1-1/2 in. deep. Min gauge No. 18 MSG attached to top and bottom support angles with No. 14 by 1 in. long hex-head self-tapping steel screws with a separate 5/8 in. OD steel washer and a bonded neoprene sealing washer spaced 12 in. OC. Adjacent units fastened together with same type fastener spaced 36 in. OC beginning 3 in. from the top and bottom of each sheet.

    MORIN CORPTypes L-12-0, L-12-1F, L-12W-1, and L-12-2F.


    3A. Wall and Partition Facings and Accessories* — Steel Liners — As an alternate to Item 3, No. 20 MSG min steel liners attached to support angles with No. 14 by 1 in. long hex head, self-tapping steel screws, one per panel.

    MORIN CORPTypes L-12-0, L-12-1F, L-12W-1, and L-12-2F.


    4. Reinforcing Channel — (Not shown) — No. 18 MSG steel channel 1-1/2 in. deep with 1 in. and 3 in. legs. Used to support the free end of the final liner unit installed. Short leg attached to the liner unit with the same screws used to secure the flashing angle to the liner units.
    5. Batts and Blankets* — Nom 12 by 48 by 1-1/2 in. Installed in liner cavity with horizontal joints in adjacent cavities staggered.

    CERTAINTEED CORP

    JOHNS MANVILLE

    KNAUF INSULATION LLC

    MANSON INSULATION INC

    ROCKWOOLType AFB


    6. Sub-girts — Hat-shaped sections, 1/2 in. deep by 3-1/2 in. wide with 3/4 in. legs, fabricated from No. 18 MSG coated steel. Attached at both legs to lips of liner units and to reinforcing channel with No. 14 by 1 in. long hex-head self-tapping steel screws. Spaced 48 in. OC and not more than 3 in. from top and bottom of wall.
    7. Gypsum Board* — (Four layers) — Any 5/8 in. thick UL Classified Gypsum Board that is eligible for use in Design Nos. L501, G512 or U305. Nom 48 in. wide by 5/8 in. thick sheets applied vertically. Joints between adjacent layers staggered a min of 12 in. vertically and horizontally. Horizontal joints to occur at sub-girts. First and second layers attached to each sub-girt with No. 6 by 1-5/8 in. double lead, bugle-head, self-drilling, steel screws spaced 12 in. OC beginning 1-1/2 in. from the horizontal and vertical edges. Third and fourth layers attached to the first and second layers with No. 11 by 1-1/2 in. double lead, bugle-head, self-drilling, steel screws spaced horizontally 12 in. OC beginning 1-1/2 in. from the edges of the wallboard and spaced vertically 24 in. OC beginning 1-1/2 in. OC from the edges of the wallboard.

    CABOT MANUFACTURING ULC (View Classification)CKNX.R25370


    AMERICAN GYPSUM CO (View Classification)CKNX.R14196


    BEIJING NEW BUILDING MATERIALS PUBLIC LTD CO (View Classification)CKNX.R19374


    CERTAINTEED GYPSUM INC (View Classification)CKNX.R3660


    CGC INC (View Classification)CKNX.R19751


    CONTINENTAL BUILDING PRODUCTS OPERATING CO, L L C (View Classification)CKNX.R18482


    GEORGIA-PACIFIC GYPSUM L L C (View Classification)CKNX.R2717


    LOADMASTER SYSTEMS INC (View Classification)CKNX.R11809


    NATIONAL GYPSUM CO (View Classification)CKNX.R3501


    PABCO BUILDING PRODUCTS L L C, DBA PABCO GYPSUM (View Classification)CKNX.R7094


    PANEL REY S A (View Classification)CKNX.R21796


    SAINT-GOBAIN GYPROC MIDDLE EAST FZE (View Classification)CKNX.R27321


    SIAM GYPSUM INDUSTRY (SARABURI) CO LTD (View Classification)CKNX.R19262


    THAI GYPSUM PRODUCTS PCL (View Classification)CKNX.R27517


    UNITED STATES GYPSUM CO (View Classification)CKNX.R1319


    USG BORAL DRYWALL SFZ LLC (View Classification)CKNX.R38438


    USG MEXICO S A DE C V (View Classification)CKNX.R16089


    7A. Gypsum Board* — (As an alternate to Item 7) — Nominal 5/8 in. thick, 4 ft wide panels, secured as described in Item 7.

    PABCO BUILDING PRODUCTS L L C, DBA PABCO GYPSUMType QuietRock ES


    7B. Wall and Partition Facings and Accessories* — (As an alternate to Items 7 and 7A) — Composite Gypsum Panel — Nominal 5/8 in. thick, 4 ft wide panels, secured as described in Item 7.

    PABCO BUILDING PRODUCTS L L C, DBA PABCO GYPSUMType QuietRock 527


    8. Sub-girts — Same as Item 6. Located in line with the sub-girts on the opposite side and attached through the wallboard to the first set of sub-girts with No. 14 by 3-1/2 in. long hex-head, self-tapping plated steel screws with a separate 5/8 in. OD formed steel washer and a separate neoprene sealing washer spaced 24 in. OC horizontally.
    9. Wall and Partition Facings and Accessories*— Steel Facing Units — Nom 12 to 36 in. wide by 1-1/2 in. deep. Min gauge No. 18 MSG attached to sub-girts at side joints with one No. 14 by 1 in. self-tapping, hex head, steel screw with a 5/8 in. OD steel washer and a neoprene sealing washer driven through the female side of the joint. The last unit installed is attached to a reinforcing channel with the same screws securing the flashing angle to the facing unit.

    MORIN CORPTypes F-12-0, F-12-1, F-12-2, F-12-S/F-12-SW, K-12-0, K-12-1, K-12-2, L-12-0, L-12-1F, L-12W-1, L-12-2F, N-12-0, N-12-2, 0.24W-PROFILE A, R-12-0, R-12-1, R-12-2, T-12-0, T-12-3, V-12, W-12, Y-36-PROFILE A, and Y-36-PROFILE B.


    9A. Wall and Partition Facings and Accessories* — Steel Face Panels — As an alternate to Item 9, No. 20 MSG min, steel facing units. (For rating applicable when exposed to liner side only, No. 24 MSG min.) Fastened to sub-girts with No. 14 by 3/4 in. long, hex-head, self-tapping, self-drilling screws.

    MORIN CORPTypes L-12-2F, Y-36-PROFILE A, and Y-36-PROFILE B.


    10. Reinforcing Channel — Channel shaped, 1-1/2 in. deep with 1-1/16 in. and 2-1/8 in. long legs fabricated from No. 18 MSG steel. Used to support the free end of the last facing unit installed. Long leg attached to sub-girts with same type fasteners as those used with the facing units and to the facing units in conjunction with the flashing angles.
    11. Closure Angle — Fabricated from No. 18 MSG painted steel. Notched and supplied in lengths to fit contour of facing units. Attached to facing units with No. 14 by 1 in. long self-tapping steel screws spaced 12 in. OC.

    * 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 2018-05-15
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