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. U364

June 10, 2019

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.

    1. Wood Studs — Min. nom 2 by 4 in., spaced 16 in. OC.
    2. Gypsum Board* — Any 5/8 in. thick UL Classified Gypsum Board that is eligible for use in Design Nos. L501, G512 or U305. Nom5/8 in. thick (min) 4 ft wide bearing the UL Classification Marking for Fire Resistance applied vertically. Attached to studs with 6d cement coated nails or 1-7/8 in. long No. 6 buglehead dry wall screws spaced 7 in. OC at the edges and in the fields. Vertical joints located over studs. Joints covered with paper tape and joint compound. Fastener heads covered with joint compound.

    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


    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


    2A. Gypsum Board* — (As an alternate to Item 2) — Nominal 5/8 in. thick, 4 ft wide panels, secured as described in Item 2.

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


    2B. Wall and Partition Facings and Accessories* — (As an alternate to Item 2 and 2A) — Nominal 5/8 in. thick, 4 ft wide panels, secured as described in Item 2.

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


    2C. Gypsum Board* — (As an alternate to Item 2) — 5/8 in. thick gypsum panels, with beveled, square, or tapered edges, applied vertically. Gypsum panels fastened to framing with 1-1/4 in. long Type W coarse thread gypsum panel steel screws spaced a max 8 in. OC, with last screw 1 in. from edge of board.

    AMERICAN GYPSUM COTypes AGX-1, M-Glass, Type AG-C, LightRoc.


    3. Batts and Blankets* — Min. 3-1/2 in. glass fiber or mineral wool batts placed to fill cavity of wall.

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

    4. Foamed Plastic* — Max. 2 in. thick rigid polystyrene insulation attached to studs with 2-1/2 in. long galvanized roofing nails.

    OWENS CORNING SCIENCE AND TECHNOLOGY, LLC

    THE DOW CHEMICAL CO

    4A. Foamed Plastic* — As an alternate to Item 4, maximum 2 in. thick Polyisocyanurate foamed plastic insulation boards Classified in accordance with BRYX and / or CCVW, attached to studs with 3 in. long galvanized roofing nails.

    ATLAS ROOFING CORPEnergyShield Pro Wall Insulation, EnergyShield Pro 2 Wall Insulation, EnergyShield CGF Pro and EnergyShield Ply Pro


    CARLISLE COATINGS & WATERPROOFING INCType R2+ SHEATHE


    FIRESTONE BUILDING PRODUCTS CO L L C"Enverge™ CI Foil Exterior Wall Insulation" and "Enverge™ CI Glass Exterior Wall Insulation"


    HUNTER PANELSType "Xci-Class A", "Xci 286", "Xci Foil (Class A)", "Xci CG" and "Xci Foil", "Xci CG NH", "Xci Foil NH"


    RMAX OPERATING L L CTypes "TSX-8500", "ECOMAXci FR", "TSX-8510", "ECOMAX xi FR White", "ECOMAXci", "ECOMAXci FR Air Barrier", "Thermasheath-XP", "Thermasheath", "Durasheath", "Thermasheath-3", "Durasheath-3".


    4B. Building Units* — As an alternate to Items 4 or 4A, max. 2-in thick polyisocyanurate composite foamed plastic insulation boards, nom. 48 by 48 or 96 in., with a facer on one side and with oriented strand board or plywood on the other, attached to studs with 3- in. long galvanized roofing nails.

    HUNTER PANELSType "Xci NB" and "Xci Ply"


    4C. Building Units* — As an alternate to Items 4, 4A or 4B, max. 2-in thick polyisocyanurate composite foamed plastic insulation boards, nom. 48 by 48 or 96 in., with a facer on one or both sides and bonded to fiberboard, oriented strand board or plywood on one side, attached to studs with min. 8d nails or min. 2-1/2 in. long Type W screws.

    RMAX OPERATING L L CTypes Thermasheath-SI, ECOBASE ci, ThermaBase-CI, ECOMAXci FR Ply, "ECOMAXci Ply"


    4D. Building Units* — As an alternate to Items 4, 4A - 4C, consisting of 7/16-in. thick PS-2 rated oriented strand board (OSB) as cover board bonded to rigid 1/2 in. to 2 in. thick polyisocyanurate insulation, installed vertically with vertical joints located over studs. Fastened to studs with min. 10d galvanized nails, spaced 6 in. OC at edges and 12 in. OC in the field. Length of nails to be such that they engage with studs minimum 1-3/8 in.

    HUBER ENGINEERED WOODS L L CZIP System ® R Sheathing


    5. Exterior Facings — Installed in accordance with the manufacturer's installation instructions. One of the following exterior facings is to be applied over the Foamed Plastic* or Building Units*:
      A. Vinyl Siding Molded Plastic* — Contoured rigid vinyl siding having a flame spread value of 20 or less.

      See Molded Plastic (BTAT) category in the Building Materials Directory for names of manufacturers.

      B. Particle Board Siding — Hardboard exterior sidings including patterned panel or lap siding.
      C. Wood Structural Panel or Lap Siding — APA Rated Siding, Exterior, plywood, OSB or composite panels with veneer faces and structural wood core, per PS 1 or APA Standard PRP-108, including textured, rough sawn, medium density overlay, brushed, grooved and lap siding.
      D. Cementitious Stucco — Portland cement or synthetic stucco systems with self-furring metal lath or adhesive base coat. Thickness from 3/8 to 3/4 in., depending on system.
      E. Brick — Brick veneer, meeting the requirements of local code agencies. Brick veneer attached to the studs with corrugated metal wall ties attached to each stud with 8d cement coated nails, every sixth course of bricks. When brick veneer is used the wallboard on the exterior side may be eliminated.

    * 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 2019-06-10
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