ASTM D4869 D4869M-2015 Standard Specification for Asphalt-Saturated Organic Felt Underlayment Used in Steep Slope Roofing《陡坡屋顶用饱和沥青有机毡衬垫的标准规格》.pdf
《ASTM D4869 D4869M-2015 Standard Specification for Asphalt-Saturated Organic Felt Underlayment Used in Steep Slope Roofing《陡坡屋顶用饱和沥青有机毡衬垫的标准规格》.pdf》由会员分享,可在线阅读,更多相关《ASTM D4869 D4869M-2015 Standard Specification for Asphalt-Saturated Organic Felt Underlayment Used in Steep Slope Roofing《陡坡屋顶用饱和沥青有机毡衬垫的标准规格》.pdf(5页珍藏版)》请在麦多课文档分享上搜索。
1、Designation: D4869/D4869M 05 (Reapproved 2011)1D4869/D4869M 15Standard Specification forAsphalt-Saturated Organic Felt Underlayment Used in SteepSlope Roofing1This standard is issued under the fixed designation D4869/D4869M; the number immediately following the designation indicates theyear of origi
2、nal adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of lastreapproval. A superscript epsilon () indicates an editorial change since the last revision or reapproval.1 NOTEUnits information was editorially revised in July 2011.1. Scope1.1 Thi
3、s specification covers asphalt-saturated organic felt for use as an underlayment with steep slope roofing.1.2 The objective of this specification is to provide a finished product that will lie flat and resist wrinkling, puckering, andshrinking when left exposed to the sun, rain, frost, or dew for a
4、period of two weeks after application.1.3 The values stated in either SI units or inch-pound units are to be regarded separately as standard. The values stated in eachsystem may not be exact equivalents; therefore, each system shall be used independently of the other. Combining values from thetwo sy
5、stems may result in non-conformance with the standard.1.4 The following safety hazards caveat pertains only to the test method portion, Section 8, of this specification:This standarddoes not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of t
6、he user of thisstandard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.2. Referenced Documents2.1 ASTM Standards:2D70 Test Method for Density of Semi-Solid Bituminous Materials (Pycnometer Method)D146 Test Methods for Sampl
7、ing and Testing Bitumen-Saturated Felts and Woven Fabrics for Roofing and WaterproofingD228 Test Methods for Sampling, Testing, andAnalysis ofAsphalt Roll Roofing, Cap Sheets, and Shingles Used in Roofing andWaterproofingD1079 Terminology Relating to Roofing and WaterproofingD1922 Test Method for Pr
8、opagation Tear Resistance of Plastic Film and Thin Sheeting by Pendulum MethodD6136 Test Method for Kerosine Number of Unsaturated (Dry) Felt by Vacuum MethodF1087 Test Method for Linear Dimensional Stability of a Gasket Material to Moisture3. Terminology3.1 DefinitionsFor definitions of terms used
9、in this specification, refer to Terminology D1079.4. Classification4.1 Asphalt-saturated felts covered by this specification are of four types:4.1.1 Type I#8 Underlayment,4.1.2 Type II#13 Underlayment,4.1.3 Type III#20 Underlayment, and4.1.4 Type IV#26 Underlayment.5. Materials and Manufacture5.1 In
10、 the process of manufacture, a single thickness of organic dry felt shall be uniformly saturated with an asphaltic saturant.1 This specification is under the jurisdiction of ASTM Committee D08 on Roofing and Waterproofing and is the direct responsibility of Subcommittee D08.02 on SteepRoofing Produc
11、ts and Assemblies.Current edition approved July 1, 2011Jan. 1, 2015. Published July 2011February 2015. Originally approved in 2002. Last previous edition approved in 20052011 asD4869 05 (2011)1. DOI: 10.1520/D4869_D4869M-05R11E01.10.1520/D4869_D4869M-15.2 For referencedASTM standards, visit theASTM
12、website, www.astm.org, or contactASTM Customer Service at serviceastm.org. For Annual Book of ASTM Standardsvolume information, refer to the standards Document Summary page on the ASTM website.This document is not an ASTM standard and is intended only to provide the user of an ASTM standard an indic
13、ation of what changes have been made to the previous version. Becauseit may not be technically possible to adequately depict all changes accurately, ASTM recommends that users consult prior editions as appropriate. In all cases only the current versionof the standard as published by ASTM is to be co
14、nsidered the official document.Copyright ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States15.2 The felt shall be produced principally from organic fibers. The surface of the felt shall be uniform and relatively smooth.Upon splitting or tearing on
15、 the bias, the felt shall appear free of lumps or particles of foreign substances.6. Physical Requirements6.1 The material shall conform to the physical requirements in accordance with Table 1 and the dimensions and masses inaccordance with Table 2.6.2 The finished product shall not crack nor be so
16、sticky as to cause tearing or other damage upon being unrolled at temperaturesbetween 0 and 60C 32 and 140F.6.3 The finished product shall pass the water shower exposure test in accordance with 8.38.6, indicating resistance to liquidwater transmission.7. Workmanship, Finish, and Appearance7.1 The fe
17、lt shall be thoroughly and uniformly saturated, and shall show no unsaturated spots at any point upon cutting 50-mm2-in. wide strips at random across the entire sheet and splitting them open for their full length.7.2 The saturated felt may be surfaced lightly on one side with talc or other finely co
18、mminuted mineral material to preventsticking in the roll.7.3 The finished material shall be free of visible external defects, such as holes, ragged or untrue edges, breaks, cracks, tears,protuberances, and indentations.8. Sampling and Test Methods8.1 Sample the material in accordance with Test Metho
19、d D146 and determine the properties enumerated in this specification inaccordance with Test Methods D146, D228, D1922, D6136, and F1087 as specified below.8.2 Determine the saturation percent of the felt in accordance with Test Method D146, Section 19 (Bituminous Saturant), andthe saturating efficie
20、ncy of the desaturated (dry) felt by the following method:8.2.1 Calculate the percent of asphalt saturation by dividing the mass of the asphalt saturant by the mass of the desaturated (dry)felt and multiply the result by 100.8.2.2 Determine the kerosine number of the desaturated (dry) felt in accord
21、ance with Test Method D6136.TABLE 1 Physical RequirementsType I Type II Type III Type IVTear strength, 23 2C 73 4F min, N lbf(both cross and with direction of sheet)2.00.452.00.454.00.904.00.90Pliability at 23 2C 73 4F. Ten stripstested shall not crack when bent 90 at auniform speed over a rounded c
22、orner ofradius in table for each type.12.7 mm0.50 in.12.7 mm0.50 in.19.1 mm0.75 in.19.1 mm0.75 in.Loss on heating at 105C 221F for 5 h max, % 6 6 6 6Liquid water transmission test Pass Pass Pass PassBreaking strength at 23 2C 73 4F, kN/mlbf/in., min MD and CD5.3 302.6 155.3 302.6 157.0 403.5 207.0 4
23、03.5 20Dimensional stability, max, %(MD and CD, from Low Humidity to High Humidity)2.00 2.00 1.75 1.75TABLE 1 Physical RequirementsType I Type II Type III Type IVTear strength, 23 2C 73 4F min, N lbf(both cross and with direction of sheet)2.00.452.00.454.00.904.00.90Pliability at 23 2C 73 4F. Ten st
24、ripstested shall not crack when bent 90 at auniform speed over a rounded corner ofradius in table for each type.12.7 mm0.50 in.12.7 mm0.50 in.19.1 mm0.75 in.19.1 mm0.75 in.Loss on heating at 105C 221F for 5 h max, % 6 6 6 6Liquid water transmission test Pass Pass Pass PassMD breaking strength at 23
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