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_ _ :7.W - 1- penetration Firestop Systems <br /> ? age 2 0 <br /> Studs — Wall framing may consist of either wood studs or steel channel studs. Wood studs to <br /> cunsIsr of nom 2 by 4 in. lumber spaced 16 in. OC. Steel studs to be min 3 -5/8 in. wide and spaced <br /> mar: 24 in. OC. <br /> E. Gypsum Board* — Nom 5/8 in. thick gypsum wallboard, as specified in the individual Wall and <br /> Partition Design. Diam of opening is 1 -1/2 in. larger than the outside diam of pipe. <br /> 2. Through - Penetrant — One metallic pipe, conduit or tubing to be centered within the firestop <br /> on both sides An annula <br /> wall r space <br /> of 3/4 in. is required within the firestop system. Pipe, conduit or tubing to be rigidly supported <br /> assembly. The following types and sizes of metallic pipes, conduits or tubing may be used: <br /> A. Steel Pipe — Nom 12 in. diam (or smaller) Schedule 10 (or heavier) steel pipe. <br /> 5. Conduit — Nom 6 in. diam (or smaller) electrical metallic tubing or steel conduit. <br /> C. Copper Tubing — Nom 6 in. diam (or smaller) Type L (or heavier) copper tubing. <br /> D. Copper Pipe — Nom 6 in. diam (or smaller) Regular (or heavier) copper pipe. <br /> 3. Fill, Void or Cavity Material* — Sealant — Min 5/8 in. thickness of fill material applied within annulus, flush with both <br /> surfaces of wall assembly. <br /> 3M COMPANY — FB -2000+ <br /> "Bearing the UL Classification Mark <br /> Last Updated on 1995 -07-29 <br /> O'Je5t10n5? Print this page <br /> Notice of Disclaimer Paoe To <br /> Copyright n 2010 Underwriters Laboratories Inc.® <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 /> st <br /> data (or drawings). 2. The statement "Reprinted from the Online Certifications Directory with permission <br /> nonce in the carters fbomtores Inc." c. mu© <br /> appear adjacent to the extracted material. In addition, the reprinted material must include a copyright <br /> 2010 Underwriters Laboratories Inc.®" <br /> http: // database. uI.cornicgi- bin/XYV/ template /LISEXT /1FRAME /showpage.html ?name =X... 8/31 /2010 <br />