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_ BXUV.U419 - Fire Resistance Ratings - ANSI/UL 263 Page 4 of 9 <br /> ALLSTEEL & GYPSUM PRODUCTS INC — Type SUPREME Framing System <br /> CONSOLIDATED FABRICATORS CORP, <br /> BUILDING PRODUCTS DIV — Type SUPREME Framing System <br /> QUAIL RUN BUILDING MATERIALS INC — Type SUPREME Framing System <br /> SCAFCO STEEL STUD MANUFACTURING CO — Type SUPREME Framing System <br /> STEEL CONSTRUCTION SYSTEMS INC — Type SUPREME Framing System <br /> UNITED METAL PRODUCTS INC — Type SUPREME Framing System <br /> 2F. Framing Members*— Steel Studs —(Not shown, As an alternate to Item 2) —For use with Item 1G and SF or SG <br /> only, channel shaped studs, min depth as indicated under Item SF, fabricated from min. 0.015 in. (min bare metal <br /> thickness) galvanized steel, spaced a max of 24 in. OC. Studs to be cut 3/4 in. less than assembly height. <br /> CLARKWESTERN BUILDING SYSTEMS INC — CW ProSTUD <br /> DIETRICH INDUSTRIES INC — DIETRICH ProSTUD <br /> DMFCWBS L L C— ProSTUD <br /> MBA BUILDING SUPPLIES — ProSTUD <br /> SOUTHEASTERN STUD & COMPONENTS INC — ProSTUD <br /> TELLING INDUSTRIES L L C— TRUE-STUD"^ <br /> 2G. Framing Members* - Metal Studs — Not shown - In lieu of Item 2— For use with Item 1H, proprietary channel <br /> shaped steel studs, minimum width indicated under Item 5, 1-1/4 in. deep fabricated from min 0.015 in. (min bare metal <br /> thickness) galvanized steel. Studs 3/8 in. to 3/4 in less in lengths than assembly heights. <br /> SUPER STUD BUILDING PRODUCTS — The Edge <br /> 3. Wood Structural Panel Sheathing —(Optional, For use with Item 5 Only )- (NOt Shown) - 4 ft wide, 7/16 in. thick <br /> oriented strand board (O56) or 15/32 in. thick structural 1 sheathing (plywood) complying with DOC PS1 or PS2, or APA <br /> Standard PRP-108, manufactured with exterior glue, applied horizontally or vertically to the steel studs. Vertical joints <br /> centered on studs, and staggered one stud space from wallboard joints. Attached to studs with flat-head self-drilling <br /> tapping screws with a min. head diam. of 0.292 in. at maximum 6 in. OC. in the perimeter and 12 in. OC. in the field. When <br /> used, fastener lengths for gypsum panels increased by min. 1/2 in. <br /> 4 Batts and Blankets* —(Required as indicated under Item 5) — Mineral wool batts, friction fitted between studs and <br /> runners. Min nom thickness as indicated under Item 5. See Batts and Blankets (BKNV or BZ7Z) Categories for names <br /> of Classified companies. <br /> 4A. Batts and Blankets* —(Optional) — Placed in stud cavities, any glass fiber or mineral wool insulation bearing the UL <br /> Classification Marking as to Surface Burning Charecteristics and/or Fire Resistance. See Batts and Blankets (BKNV or <br /> BZ]Z) Categories for names of Classified companies. <br /> 5. Gypsum Board* — Gypsum panels with beveled, square or tapered edges, applied vertically or horizontally. Vertical <br /> joints centered over studs and staggered one stud cavity on opposite sides of studs. Vertical joints in adjacent layers <br /> (multilayer systems) staggered one stud cavity. Horizontal joints need not be backed by steel framing Horizontal edge <br /> joinks and horizontal butt joints on opposite sides of studs need not be staggered. Horizontal edge joints and horizontal butt <br /> joints in adjacent layers (multilayer systems) staggered a min of 12 in. The thickness and number of layers for the 1 hr, 2 <br /> hr, 3 hr and 4 hr ratings are as follows: <br /> Gypsum Board Protection on Each Side of Wall <br /> http://database.ul.com/cgi-bin/XYV/template/LISEXT/1 FRAME/showpage.html?name=BX... 4/6/2011 <br />