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BXUV.U35O -Fire-resistance Ratings-ANSI/UL 263 Page 4 of 4 <br /> 6.Resilient Channel—Optional-Not Shown-For use with gypsum boards in Configuration B,25 MSG galv steel,spaced <br /> vertically 24 in.OC,flange portion screw attached to one side of studs with 1-1/4 in.long diamond shaped point,double <br /> lead Phillips head steel screws. <br /> 7.STC Rating—The STC Rating of Configuration A is 61 when it is constructed as described by Items 1 through 5, <br /> except: <br /> A.Item 1,above-Wood Studs-Studs in opposite rows shall be staggered 8 in.OC. <br /> B.Item 4,above-Gypsum Board-Min.weight 2.0 psf. <br /> 7A.STC Rating—The STC Rating of Configuration B is 56 when it is constructed as described by Items 1 through 6, <br /> except: <br /> A.Item 1,above-Wood Studs-Studs in opposite rows shall be staggered 8 in.OC. <br /> B.Item 4,above-Gypsum Board-Min.weight 2.0 psf. <br /> C.Item 6,above-Resilient Channels-The gypsum board shall be attached to the studs with <br /> resilient channels. <br /> *Bearing the UL Classification Mark <br /> Last Updated on 2013-04-01 <br /> Questions? Print this page Terms of Use Page Top <br /> ©2013 UL LLC <br /> When the UL Leaf Mark is on the product,or when the word"Environment"is included in the UL Mark,please search the UL Environment database <br /> for additional information regarding this product's certification. <br /> The appearance of a company's name or product in this database does not in itself assure that products so identified have been manufactured <br /> under UL's Follow-Up Service.Only those products bearing the UL Mark should be considered to be Listed and covered under UL's Follow-Up <br /> Service.Always look for the Mark on the product. <br /> UL permits the reproduction of the material contained in the Online Certification Directory subject to the following conditions: 1.The Guide <br /> Information,Designs and/or Listings(files)must be presented in their entirety and in a non-misleading manner,without any manipulation of the <br /> data(or drawings).2.The statement"Reprinted from the Online Certifications Directory with permission from UL"must appear adjacent to the <br /> extracted material.In addition,the reprinted material must include a copyright notice in the following format: "©2013 UL LLC". <br /> V//d <br /> http://database.ul.com/cgi-bin/XYV/template/LISEXT/1 FRAME/showpage.html?name=BX... 4/1/2013 <br />