1、UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM ULUL 1296ISBN 0-7629-0070-9Shear Resistance Tests forCeiling Boards forManufactured HomesUL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM ULUL
2、COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM ULUnderwriters Laboratories Inc. (UL)333 Pfingsten RoadNorthbrook, IL 60062-2096UL Standard for Safety for Shear Resistance Tests for Ceiling Boards for Manufactured Homes, UL 1296Fifth Edition, Dated
3、 September 30, 1996Revisions: This Standard contains revisions through and including May 9, 2007.Summary of TopicsThe revisions dated May 9, 2007, were issued to delete the ANSI approval information from thetitle page.UL Standards for Safety are developed and maintained in the Standard Generalized M
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5、e note thatadditional pages (on which no requirements have been changed) may be included in revision pages dueto relocation of existing text and reformatting of the Standard.Text that has been changed in any manner is marked with a vertical line in the margin. Changes inrequirements are marked with
6、a vertical line in the margin and are followed by an effective date noteindicating the date of publication or the date on which the changed requirement becomes effective.The revisions dated May 9, 2007 include a reprinted title page (page1) for this Standard.The UL Foreword is no longer located with
7、in the UL Standard. For information concerning the use andapplication of the requirements contained in this Standard, the current version of the UL Foreword islocated on ULStandardsInfoNet at: http:/ master for this Standard at ULs Northbrook Office is the official document insofar as it relates to
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9、d-on-Diskette and the file for the Standard on the distribution diskette should bealtered in any way. All of ULs Standards and all copyrights, ownerships, and rights regarding thoseStandards shall remain the sole and exclusive property of UL.All rights reserved. No part of this publication may be re
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11、 most recently adopted revisions.UL provides this Standard as is without warranty of any kind, either expressed or implied, including butnot limited to, the implied warranties of merchantability or fitness for any purpose.MAY 9, 2007 UL 1296 tr1UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPR
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21、haser may not look exactly like the on-line screen view or the printed Standard.An employee of an organization purchasing a UL Standard can make a copy of the page or pages beingviewed for their own fair and/or practical internal use.The requirements in this Standard are now in effect, except for th
22、ose paragraphs, sections, tables, figures,and/or other elements of the Standard having future effective dates as indicated in the note following theaffected item. The prior text for requirements that have been revised and that have a future effective dateare located after the Standard, and are prece
23、ded by a SUPERSEDED REQUIREMENTS notice.New product submittals made prior to a specified future effective date will be judged under all of therequirements in this Standard including those requirements with a specified future effective date, unlessthe applicant specifically requests that the product
24、be judged under the current requirements. However, ifthe applicant elects this option, it should be noted that compliance with all the requirements in thisStandard will be required as a condition of continued Classification and Follow-Up Services after theeffective date, and understanding of this sh
25、ould be signified in writing.Copyright 2007 Underwriters Laboratories Inc.MAY 9, 2007 UL 1296tr2UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM ULThis Standard consists of pages dated as shown in the following checklist:Page Date1-4.May9,20075-1
26、0.September 30, 1996MAY 9, 2007 UL 1296 tr3UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM ULMAY 9, 2007 UL 1296tr4No Text on This PageUL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM ULSEPTE
27、MBER 30, 1996(Title Page Reprinted: May 9, 2007)1UL 1296Standard for Shear Resistance Tests for Ceiling Boards for ManufacturedHomesThe first and second editions were titled Standard for Shear Resistance Tests forCeiling Boards. The third edition was titled Standard for Shear Resistance Testsfor Cei
28、ling Boards for Mobile Homes.First Edition January, 1975Second Edition May, 1977Third Edition April, 1980Fourth Edition September, 1992Fifth EditionSeptember 30, 1996An effective date included as a note immediately following certain requirementsis one established by Underwriters Laboratories Inc.Rev
29、isions of this Standard will be made by issuing revised or additional pagesbearing their date of issue. A UL Standard is current only if it incorporates themost recently adopted revisions, all of which are itemized on the transmittal noticethat accompanies the latest set of revised requirements. Com
30、ments or proposalsfor revisions on any part of the Standard may be submitted to UL at any time.Proposals should be submitted via a Proposal Request in ULs On-LineCollaborative Standards Development System (CSDS) at http:/.ISBN 0-7629-0070-9COPYRIGHT 1975, 2007 UNDERWRITERS LABORATORIES INC.UL COPYRI
31、GHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM ULMAY 9, 2007UL 12962No Text on This PageUL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM ULCONTENTSINTRODUCTION1 Scope .52 General 52.1 Units of measur
32、ement .52.2 Undated references .52.3 Terminology .5PERFORMANCE3 General 54 Twelve-Hour Load Shear Resistance Test .65 Ultimate Load Shear Resistance Test .96 Installation Instructions 9MARKING7 General 9MAY 9, 2007 UL 1296 3UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTI
33、ON WITHOUT PERMISSION FROM ULThis page intentionally left blank.MAY 9, 2007UL 12964UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM ULINTRODUCTION1 Scope1.1 These requirements cover ceiling materials intended for use as structural building produc
34、ts inmanufactured homes.1.2 These requirements are intended to provide information as to the performance of mineral andfiberboard, gypsum wallboard or other ceiling materials when attached to a roof truss or rafter systemusing a specific fastening schedule.1.3 These requirements do not cover thermal
35、, acoustical, flammability characteristics, and otherproperties of such materials.1.4 A product that contains features, characteristics, components, materials, or systems new or differentfrom those in use when the standard was developed, and that involves a risk of fire, electric shock, orinjury to
36、persons shall be evaluated using the appropriate additional component and end-productrequirements as determined necessary to maintain the level of safety for the user of the product asoriginally anticipated by the intent of this standard.2 General2.1 Units of measurement2.1.1 If a value for measurem
37、ent as given in this standard is followed by an equivalent value in otherunits, in parentheses, the second value may be only approximate. The first stated value is therequirement.2.2 Undated references2.2.1 Any undated reference to a code or standard appearing in the requirements of this standard sh
38、allbe interpreted as referring to the latest edition of that code or standard.2.3 Terminology2.3.1 The term product as used in this standard refers to all ceiling materials for manufactured homesor any part thereof covered by this standard, unless specifically noted otherwise.PERFORMANCE3 General3.1
39、 The manufacturer shall supply information regarding:a) the recommended design load;b) maximum span;c) minimum width;d) the fastening system to be used, including details of size, spacing, and edge distance;e) spacing of roof trusses or rafters;SEPTEMBER 30, 1996 UL 1296 5UL COPYRIGHTED MATERIAL NOT
40、 AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM ULf) optional edge rail and top plate size, splice methods, ceiling-to-top plate connection, if used;g) lumber grade and specie; andh) basic specifications for the product such as density, thickness, breaking strength, surfa
41、cefinish, and tolerances, plus any variations.3.2 All ceiling material samples used for the following tests shall be selected at one time from the sameproduction run and shall be representative of the manufacturers production. Roof trusses, if used, shall:a) comply with the requirements for roof tru
42、sses for manufactured homes, UL 1298, orb) be constructed in accordance with Section 3280.402 of the Department of Housing and UrbanDevelopment (HUD) Home Construction and Safety Standards and marked as such. Samples fortests shall be selected so as to subject the product or products most vulnerable
43、 tononconformance under the conditions of the tests.3.3 All edge rail and top plate lumber shall be utility standard or stud grade spruce-pine-fir material or amixture.Exception: At the manufacturers option a better grade (such as construction, No. 2, No. 1, or selectstructural grade) or specie of l
44、umber may be used. When a better grade or specie of lumber is used in thetest assembly, the installation instructions shall be marked as specified in 6.1(e).3.4 The test methods develop classifications for 12-hour shear resistance or ultimate shear resistance.4 Twelve-Hour Load Shear Resistance Test
45、4.1 A full size sample of a ceiling system is to be constructed with wood trusses or rafters at the maximumspacing recommended by the ceiling material manufacturer, as shown in Figure 4.1.SEPTEMBER 30, 1996UL 12966UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT
46、 PERMISSION FROM ULThis is generated text for figtxt.4.2 Each ceiling material is to be secured to the roof trusses or rafters in the test assembly in accordancewith the manufacturers installation instructions.4.3 One row of longitudinal wood center braces trade size 1 by 3 inch actual 3/4 by 2-1/2
47、inches (19 by64 mm) in cross section may be used as shown by Figure 4.1. These braces shall not be continuous orspliced together.4.4 Each edge rail is to be trade size 1 by 3 inch actual 3/4 by 2-1/2 inch (19 by 64 mm) or trade size1 by 4 inch actual 3/4 by 3-1/2 inch (19 by 89 mm) wood members. Eac
48、h joint in the edge rail is to bespliced with a splice plate consisting of the same material as the edge rail and secured on each side ofthe joint with six staples thata) are 0.060 inch (1.52 mm) thick and 1-1/2 inch (38 mm) long, andb) have a 7/8 inch (22 mm) crown, or an equivalent means.Exception
49、: At the manufacturers option a larger sized edge rail, a more substantial edge rail splicemethod, or both may be used. When such an edge rail, splice system, or both is used in the testassembly, installation instructions shall be marked as specified in 6.1(f).Figure 4.1Load testSEPTEMBER 30, 1996 UL 1296 7UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM UL4.5 Top plates around the perimeter of the test assembly are to be
