1、Designation:D301908Standard Specification forLap Cement Used with Asphalt Roll Roofing,Non-Fibered,Asbestos-Fibered,and Non-Asbestos-Fibered1This standard is issued under the fixed designation D3019;the number immediately following the designation indicates the year oforiginal adoption or,in the cas
2、e of revision,the year of last revision.A number in parentheses indicates the year of last reapproval.Asuperscript epsilon()indicates an editorial change since the last revision or reapproval.1.Scope1.1 This specification covers lap cement consisting of as-phalt dissolved in a volatile petroleum sol
3、vent with or withoutmineral or other stabilizers,or both,for use with roll roofing.1.2 The values stated in SI units are to be regarded as thestandard.The values given in parentheses are for informationonly.1.3 The following precautionary caveat applies only to thetest method portion,Section 5,of th
4、is specification.Thisstandard does not purport to address all of the safety concerns,if any,associated with its use.It is the responsibility of the userof this standard to establish appropriate safety and healthpractices and determine the applicability of regulatory limita-tions prior to use.2.Refer
5、enced Documents2.1 ASTM Standards:2D36 Test Method for Softening Point of Bitumen(Ring-and-Ball Apparatus)D6511 Test Methods for Solvent Bearing Bituminous Com-pounds3.Classification3.1 Type IBrushing consistency lap cement intended foruse in the exposed-nailing method of roll roofing application.Ty
6、pe I lap cement contains no mineral or other stabilizers.3.1.1 Grade 1Made with an air-blown asphalt.3.1.2 Grade 2Made with a vacuum-reduced or steam-refined asphalt.3.2 Type IIHeavy brushing or light troweling consistencylap cement intended for use in the concealed-nailing method ofroll roofing app
7、lication.Type II lap cement contains a quantityof short-fibered asbestos.3.3 Type IIIHeavy brushing or light troweling consistencylap cement intended for use in the concealed-nailing method ofroll roofing application.Type III lap cement contains a quantityof mineral or other stabilizers,or both,but
8、contains noasbestos.4.Physical Requirements4.1 The material shall conform to the requirements pre-scribed in Table 1.5.Sampling5.1 See Section 4,Sampling,of Test Methods D6511.6.Test Methods6.1 Determine composition and physical requirements byusing the procedures in Test Methods D6511 and Test Meth
9、odD36.6.2 Strength of Lap:6.2.1 SignificanceThe lap strength is of importance onlyfor Type II and Type III cement used in the concealed-nailingmethod of roll roofing application.7.Inspection7.1 Inspection of the material shall be as agreed uponbetween the purchaser and the supplier as part of the pu
10、rchasecontract.8.Rejection and Resubmittal8.1 Failure to conform to any of the requirements prescribedin this specification may constitute grounds for rejection.In thecase of rejection,the seller shall have the right to reinspect therejected material and resubmit the lot after removal of thosepackag
11、es not conforming to the requirements.9.Packaging and Package Marking9.1 All products shall be packaged and labeled in accor-dance with applicable regulations.Each package shall bemarked to indicate the applicable ASTM specification.Pack-ages containing product meeting Type II shall bear a statement
12、that the product contains asbestos.1This specification is under the jurisdiction of ASTM Committee D08 onRoofing and Waterproofingand is the direct responsibility of Subcommittee D08.05on Solvent-Bearing Bituminous Compounds for Roofing and Waterproofing.Current edition approved Feb.15,2008.Publishe
13、d March 2008.Originallyapproved in 1972.Last previous edition approved in 2007 as D3019 94(2007).DOI:10.1520/D3019-08.2For referenced ASTM standards,visit the ASTM website,www.astm.org,orcontact ASTM Customer Service at serviceastm.org.For Annual Book of ASTMStandards volume information,refer to the
14、 standards Document Summary page onthe ASTM website.Copyright ASTM International,100 Barr Harbor Drive,PO Box C700,West Conshohocken,PA 19428-2959.United States1 10.Keywords10.1 asbestos-fibered;asphalt;lap cement;non-asbestos-fibered;non-fibered;roll roofingASTM International takes no position resp
15、ecting the validity of any patent rights asserted in connection with any item mentionedin this standard.Users of this standard are expressly advised that determination of the validity of any such patent rights,and the riskof infringement of such rights,are entirely their own responsibility.This stan
16、dard is subject to revision at any time by the responsible technical committee and must be reviewed every five years andif not revised,either reapproved or withdrawn.Your comments are invited either for revision of this standard or for additional standardsand should be addressed to ASTM International Headquarters.Your comments will receive careful consideration at a meeting of theresponsible technical committee,which you may attend.If you feel that your comments have not received a fair hearing
