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. U524

July 12, 2018

Bearing Wall Rating — 1 Hr.

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.

Configuration A - Fire Exposed to Either Side

Configuration B - Fire Exposed to Gypsum Board Side Only
    1. Building Units* — Composite panels consisting of a polystyrene foamed plastic core faced on both surfaces with min 7/16 in. thick oriented strand board. Min 3-3/8 in. thick polystyrene core Building Units* loaded to max 61 percent of the recommended axial design load.

    PREMIER BUILDING SYSTEMS, LLC — Type Premier Structural Panel.


    2. Splines — Nom 4 in. wide by 7/16 in. thick oriented strand board splines installed between vertical joints, in pre-cut channels in the Building Units* (Item 1). Splines secured to face in contact with oriented strand board with an adhesive (APA AF6-01 specification) and 1-5/8 in. long Type S steel screws spaces 6 in. OC along the edges of each adjoining face.
    3. End Plates — Nom 2 in. thick (width determined by building units thickness) No. 2 Douglas Fir lumber installed at top and bottom of Building Units* (Item 1) in pre-cut channels. End plates secured with adhesive (APA AF6-01 specification) to faces in contact with oriented strand board, with caulk (ASTM C-834 specification) on the face in contact with the polystyrene core, and 8d box nails spaced 8 in. OC along the edges of both faces.
    4. Steel Framing Members* — (Optional, when a cavity is required) — For use with Configuration C and D. Furring channels, Batts and Blankets and Steel Framing Members as described below.
    4A. Furring Channels — Formed of No. 25 MSG galv steel. 2-23/32 in. wide by 7/8 in. deep, spaced vertically at max. 24 in. OC. Gypsum board (Item 5) installed vertically only and attached to furring channels as described in Item 5.
    4B. Steel Framing Members* — Used to attach furring channels (Item 4A) to Building Unit (Item 1). Clips spaced vertically at max. 24 in. OC., and spaced max horizontally at 48" OC, secured to Building Units with No. 10 x 1-1/2 in. coarse drywall screw through the center grommet. Furring channels are friction fitted into clips. RSIC-1 clip for use with 2-9/16 in. wide furring channels to form a 1-1/8 in., cavity or RSIC-V clip for use with 2-9/16 in. wide furring channels to form a 1-5/8 in., cavity.

    PAC INTERNATIONAL L L C — Types RSIC-1, RSIC-V


    4C. Steel Framing Members* — Used to attach No. 25 MSG, 2-5/8 in. wide by 7/8 in deep galv steel furring channels to Building Unit (Item 1). Clips spaced vertically at max. 24 in. OC., and spaced max horizontally at 48" OC, secured to Building Units with 2 in. coarse drywall screw with 1 in. diam washer through the center hole. Furring channels are friction fitted into clips.

    STUDCO BUILDING SYSTEMS — RESILMOUNT Sound Isolation Clips - Type A237R


    4D. Batts and Blankets* — (To be used with Item 4.) — Placed in cavities formed between the Furring Channels Item 4A, any 2-1/2 in., thick glass fiber batt material bearing the UL Classification Marking as for Fire Resistance, glass fiber batt to be compressed to completely fill the cavity between the Furring Channels.

    See Batts and Blanket (BZJZ) Category for names of Classified companies.

    4E. Steel Framing Members* — Used to attach No. 25 MSG, 2-1/2 in. wide by 7/8 in deep galv steel furring channels to Building Unit (Item 1). Clips spaced vertically at max. 24 in. OC, and spaced max horizontally at 48" OC, secured to Building Units with 2-1/2 in. coarse drywall screw through the center hole. Furring channels are friction fitted into clips.

    REGUPOL AMERICA — Type SonusClip


    4F. Steel Framing Members* — (Optional, Not Shown) — Resilient channels and Steel Framing Members as described below:
      a. Resilient Channels — Formed of No. 25 MSG galv steel, spaced 24 in. OC, and perpendicular to studs. Channels secured to studs as described in Item b. Ends of adjoining channels overlapped 6 in. and secured in place with two No. 8 15 x 1/2 in. Philips Modified Truss screws spaced 2-1/2 in. from the center of the overlap. Gypsum board attached to resilient channels as described in Item 5.
      b. Steel Framing Members* — Used to attach resilient channels (Item 4Fa) to studs. Clips spaced 48 in. OC., and secured to studs with No. 8 x 2-1/2 in. coarse drywall screw through the center hole. Resilient channels are secured to clips with one No. 10 x 1/2 in. pan-head self-drilling screw.

      KEENE BUILDING PRODUCTS CO INC — Type RC+ Assurance Clip


    5. Gypsum Board* — For Configuration A and C, 5/8 in. thick, 4 ft wide, applied vertically in two layers to both sides of the assembly. For Configuration B and D, two layers applied to one side of the assembly. First layer installed with 1-5/8 in. long Type S steel screws spaced 24 in. OC vertically and 16 in. OC horizontally. First layer vertical joints offset min 16 in. from vertical spline joints of Building Units* (Item 1). Second layer installed with 2 in. long Type S steel screws spaced 12 in. OC vertically, offset 12 in. from first layer screws, and 16 in. OC horizontally, offset 8 in. from first layer screws. Second layer vertical joints offset min 16 in. from first layer vertical joints. Outer layer wallboard joints covered with joint tape and joint compound. Screw heads on outer layer of wallboard covered with joint compound.

    AMERICAN GYPSUM CO — Type AG-C


    GEORGIA-PACIFIC GYPSUM L L C — Type TG-C


    CONTINENTAL BUILDING PRODUCTS OPERATING CO, L L C — Types LGFC6A, LGFC-C/A.


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


    * 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 2018-07-12
BXUV.U524 U524 BXUV 923830002 DESIGN ACTIVE 20180712 20180307 P1157913 114328003 100099348 P1642614 100057537 283066001 299592001 294450001 923830002

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