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. U531

October 02, 2018

Nonbearing Wall Rating — 1, 1-1/2 or 2 Hrs (See Items 1 and 9)

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

    1. Fire Resistant Glazing Material* — For 1 hr. assemblies — Minimal 0.85 in. (23 mm) thick laminated glass panels supplied in various sizes max size not to exceed 39 sq ft. with a maximum dimension of 96 in. For all 1 hr products except Pyrostop 60-101, when glass size is at least 1 in. (26 mm) thick, max size not to exceed 51.7 sq ft (4.8 m2) with max width of 96 in. (244 cm) wide and max height of 118-1/8 in. (300 cm). For 1-1/2 hr. Minimum 1.46 in. (37 mm) thick laminated glass panels supplied in various sizes. For 2 hr assemblies — Minimal 1.57 in. (40 mm) thick laminated glass panels supplied in various sizes. Max size not to exceed 25.9 sq ft with max dimension of 111 in. Glazing material may also be installed using a vertical butt joint on either side of the glazing sections for 1 hour assemblies. The Nom. 1.0 in. (26 mm) minimum thickness laminated glass to be supplied in various sizes. Maximum size of the largest section of the butt glazing not to exceed 63 in. (1600 mm) in width and 118-1/8 in. (3000 mm) in height. Minimum size for any one section of the butt glazing assembly is not to be less than 31-9/16 in. (802 mm) in width. Butt glazing assembly shall include an intumescent strip (see Item 10) and sealant (Item 11) between the edge of the glass and the perimeter Framing Members. The glazing sizes and orientation specified for the butt glazing assembly are also eligible for 1 hr rating when the vertical butt joint is replaced with Steel Framing Members.

    PILKINGTON DEUTSCHLAND AGPyrostop 60-101, Pyrostop 60-102, Pyrostop 60-201, Pyrostop 60-50, Pyrostop 60-161, Pyrostop 60-161 FG, Pyrostop 60-181, Pyrostop 60-181 Triple, Pyrostop 60-251, Pyrostop 60-261, Pyrostop 60-261 FG, Pyrostop 60-281, Pyrostop 60-351, Pyrostop 60-351 Triple, Pyrostop 60-361, Pyrostop 60-361 FG, Pyrostop 60-361 Triple, Pyrostop 60-381, Pyrostop 60-381 Triple, Pyrostop 60-401, Pyrostop 120-104, Pyrostop 120-106, Pyrostop 120-201, Pyrostop 120-202, Pyrostop 120-203, Pyrostop 120-262, Pyrostop 120-362, Pyrostop 120-282, Pyrostop 120-382


    TECHNICAL GLASS PRODUCTSFireGlass 60-101, FireGlass 60-161, FireGlass 60-201, FireGlass 60-201 TI, FireGlass 60-261, FireGlass 60-261 TI, FireGlass 60-361, FireGlass 60-361 TI, FireGlass 90-102, FireGlass 120-104, FireGlass 120-106, FireGlass 120-201, FireGlass 120-201 TI, FireGlass 120-202, FireGlass 120-203, FireGlass 120-203 TI, FireGlass 120-262, FireGlass 120-362, Pyrostop 60-101, Pyrostop 60-102, Pyrostop 60-201, Pyrostop 60-201 TI, Pyrostop 60-50, Pyrostop 60-161, Pyrostop 60-161 FG, Pyrostop 60-161 FGX, Pyrostop 60-181, Pyrostop 60-181 Triple, Pyrostop 60-251, Pyrostop 60-261, Pyrostop 60-261 TI, Pyrostop 60-261 FG, Pyrostop 60-261 TI FG, Pyrostop 60-261 FGX, Pyrostop 60-261 TI FGX, Pyrostop 60-281, Pyrostop 60-351, Pyrostop 60-351 Triple, Pyrostop 60-361, Pyrostop 60-361 TI, Pyrostop 60-361 FG, Pyrostop 60-361 TI FG, Pyrostop 60-361 FGX, Pyrostop 60-361 TI FGX, Pyrostop 60-361 Triple, Pyrostop 60-381, Pyrostop 60-381 Triple, Pyrostop 60-401, Pyrostop 120-104, Pyrostop 120-106, Pyrostop 120-201, Pyrostop 120-201 TI, Pyrostop 120-202, Pyrostop 120-203, Pyrostop 120-203 TI, Pyrostop 120-262, Pyrostop 120-362, Pyrostop 120-282, Pyrostop 120-382. Pyrostop 60 products may be faced with a glass clad polycarbonate panel (38mm max thickness) on one side.


    2. Steel Studs — 18 gauge heavy duty electrogalvanized studs, 3-1/2 in. wide, 1-1/4 in. legs, and 1/4 in. stiffening flanges. Studs are nested with steel runners, Item 3, and fastened together with 1/2 in. long S12 pan head screws through both legs of the stud and runner every 6 in. OC.
    3. Steel Runners — 18 gauge electrogalvanized steel runners, 3-5/8 in. wide, 1-1/4 in. legs. Nested with steel studs, Item 2, to form framing members. Horizontal framing members attached to vertical framing members by cutting legs of runners 6 in. from each end and bending runners either up or down and nesting on vertical members and fastening to vertical member with 1/2 in. long S12 pan head screws, 2 through both legs, and 4 through the face of the vertical stud 4 in. OC.
    4. Gypsum Board* — Any 5/8 in. thick UL Classified Gypsum Board that is eligible for use in Design Nos. L501, G512 or U305. Nom 5/8 in. thick, 4 ft wide by 10 ft long, cut to size and shaved on edges. Gypsum board boxed around stud and runner framing members. Base layer secured to framing members with 1-1/4 in. long S12 bugle head drywall screws (screws not shown). Gypsum board fastened with 1 screw on each leg and 2 screws on each face, spaced 16 in. OC. Face layer secured to framing members with 1-5/8 in. long S12 bugle head drywall screws same as base layer, spaced 8 in. OC. Gypsum board joints covered with paper tape and two coats of joint compound. Screw heads covered with two coats of 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 MEXICO S A DE C V (View Classification)CKNX.R16089


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

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


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

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


    5. Glazing Stops — 16 gauge, 3/4 in. steel angles, cut to fit tightly along the perimeter of both sides of glazing material, Item 1, spaced thickness of glazing plus 1/8 in. apart in opening. The angles are predrilled using No. 1 (0.2280 in. diam) drill bit 2 in. from each end and 6 in. OC. Angles set in window opening and holes predrilled through 2 layers of wallboard and into wall framing members with No. 19 (0.1660 in. diam) drill bit. Stops attached to framing members using 2 in. long No. 12 Phillips flat head screws. Closed cell PVC tape, Item 7, adhered to stops to seal with face of glazing material. For the butt glazing assembly, 1 in. steel angles shall be used in place of the 3/4 in. steel angles.
    6. Setting Blocks — (Not Shown) — 2-1/4 in. wide, 1/4 in. thick oak hardwood setting blocks placed on bottom of window opening between glazing stops, Item 5, to support the full depth of the glazing material, Item 1.
    7. Closed Cell PVC Tape — 3/8 in. wide by 1/8 in. thick with self adhering backing, adhered to glazing stops, Item 4, to seal and cushion legs of glazing stops in contact with glazing material, Item 1.
    8. Silicone Sealant — (Not Shown) — 100 percent silicone rubber building and glazing sealant. A bead of sealant is applied at the glazing stop, Item 5, and glazing material, Item 1, joint.
    9. Wood Trim — For 1-1/2 and 2 h applications, Nom 1 in. by 2 in. clear pine or oak trim completely covering and securely fastened to the glazing stops, Item 5. Wood trim fastened to glazing stops using 1-5/8 in. long trim head screws through the wallboard leg of the glazing stops, 8 in. OC. Larger wood trim may be used with additional fastening means.

    For 1 h applications, either 1-1/2 in. wide by 5/8 in. thick gypsum board (See Gypsum Board, CKNX, Category — for names of Classified Companies) or 1-1/2 in. wide by 1/2 in. thick hemlock, pine or oak trim completely covering and securely fastened to the glazing stops, Item 5. Trim to be fastened to glazing stops using 1-5/8 in. long trim head screws through the wallboard leg of the glazing stops, 8 in. OC. Larger wood trim may be used with additional fastening means.

    10. Butt Glazing Intumescent Strip — For the butt glazing assembly, 1 in. (25 mm) wide by 1/16 in. (1.5 mm) thick tape, shall be installed along the vertical edges of the sections of glass at the butt joint.

    GLUSKE — Kerafix 2000 Glazing Tape

    11. Butt Glazing Silicone Sealant — For the butt glazing assembly, silicone sealant shall be applied to seal the butt joint. The sealant shall be provided by the glass manufacturer.

    PILKINGTON DEUTSCHLAND AGPilkington Pyrostop Sealant 1


    * 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 2018-10-02
BXUV.U531 U531 BXUV 634505001 DESIGN Active 20181002 20181002 634505001 314540002 100562937 283066001 736720001 100219806 846414005 294450001 299592001 226521001 923830002 100046076 544217001 798029001 100584219 730408054 287840003 100046076 100046076 634505001

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