1、Designation:D447907 Designation: D4479/D4479M 07 (Reapproved 2012)1Standard Specification forAsphalt Roof CoatingsAsbestos-Free1This standard is issued under the fixed designation D4479/D4479M; the number immediately following the designation indicates theyear of original adoption or, in the case of
2、 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.This standard has been approved for use by agencies of the Department of Defense.1NOTEUnits information was
3、 editorially corrected in June 2012.1. Scope1.1 This specification covers asbestos-free asphalt roof coatings of brushing or spraying consistency.1.21.2 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 exac
4、t equivalents; therefore, each system shall be used independently of the other. Combining values from thetwo systems may result in non-conformance with the standard.1.3 The following precautionary caveat pertains only to the test method portion, Section 8, of this specification: This standarddoes no
5、t purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the 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
6、:2D312 Specification for Asphalt Used in RoofingD449 Specification for Asphalt Used in Dampproofing and WaterproofingD946 Specification for Penetration-Graded Asphalt Cement for Use in Pavement ConstructionD6511 Test Methods for Solvent Bearing Bituminous Compounds3. Classification3.1 Type I is made
7、 from asphalts characterized as self-healing, adhesive, and ductile, and conforming to the requirements ofSpecification D312, Type I; Specification D449, Types I or II; or Specification D946.3.2 Type II is made from asphalts characterized by high softening point and relatively low ductility, and con
8、forming to therequirements of Specification D312 Types II or III; or Specification D449, Type III.4. Materials and Manufacture4.1 Asphalt roof coatings shall consist of an asphalt base, volatile petroleum solvents, and mineral or other stabilizers, or both,excluding asbestos fiber, mixed to a smooth
9、, uniform consistency suitable for application by squeegee, three-knot brush, paintbrush, roller, or by spraying.5. Composition5.1 Asphalt roof coatings complying with this specification shall conform to the following composition limits:min maxWater content, % . 2.5Nonvolatile content, % 50 .Mineral
10、 and/or other stabilizers 5 20Bitumen (asphalt), % 40 .6. Physical Requirements6.1 UniformityAfter a thoroughly stirred sample has stood for 72 h at room temperature 23 6 2C (73.473.4 6 3.6F)3.6F1This specification is under the jurisdiction of ASTM Committee D08 on Roofing and Waterproofing and is t
11、he direct responsibility of Subcommittee D08.05 onSolvent-Bearing Bituminous Compounds for Roofing and Waterproofing.Current edition approved May 1, 2007.2012. Published May 2007.June 2012. Originally approved in 1985. Last previous edition approved in 20062007 as D447900(2006). D4479 07. DOI: 10.15
12、20/D4479_D4479M-07R12E01.2For referenced ASTM standards, visit the ASTM website, www.astm.org, or contact ASTM Customer Service at serviceastm.org. For Annual Book of ASTM Standardsvolume information, refer to the standards Document Summary page on the ASTM website.1This document is not an ASTM stan
13、dard and is intended only to provide the user of an ASTM standard an indication 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 case
14、s only the current versionof the standard as published by ASTM is to be considered the official document.Copyright ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.in a closed container, it shall show no separation of solvent or settling that ca
15、nnot be overcome by moderate stirring.6.2 ConsistencyThe roof coating shall be of a consistency that will spread readily and permit application by squeegee, brush,roller or spray at the rate of 1.25 m2/litre (50 ft/litre 50 ft2/gal)/gal on prepared roofing, saturated felt, and metal surfaces at ambi
16、enttemperatures above 10C (50F).50F. Consistency at 25C (77F)77F shall be between 50 and 400 Stormer s/100 revolutions.6.3 Behavior at 60C (140F)140FThe roof coating shall show no evidence of blistering, and sag or slide shall be nogreater than 6 mm (14 in.).in. Staining or absorption of the coating
17、 on the reverse side of the prepared roofing test panel shallnot exceed 5 % of the coated area.6.4 Pliability at 0C (32F)32FThere shall be no cracking or separation of the roof coating from the metal.7. Sampling7.1 See Section 4 on Sampling of Test Methods D6511.8. Test Methods8.1 Determine composit
18、ion and physical requirements by using the procedures in Test Methods D6511.9. Precision and Bias9.1 See Section 21 on Precision and Bias of Test Methods D6511.10. Inspection10.1 Inspection of the material shall be agreed upon by the purchaser and the seller as part of the purchase contract.11. Reje
19、ction and Rehearing11.1 Failure to conform to any of the requirements prescribed in this specification shall constitute grounds for rejection. In casesof rejection, the seller shall have the right to reinspect and resubmit the lot after removal of those packages not conforming to thespecified requir
20、ements.12. Packaging and Package Marking12.1 All products shall be packaged and labeled in accordance with applicable regulations. Each package shall be marked toindicate the applicable ASTM specification, including Type.13. Keywords13.1 asbestos-free; asphalt; fibered; roof coatingASTM Internationa
21、l takes no position respecting 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 o
22、wn responsibility.This standard 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 a
23、ddressed 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 you shouldmake your views known to the ASTM Committee on Standards,
24、at the address shown below.This standard is copyrighted by ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959,United States. Individual reprints (single or multiple copies) of this standard may be obtained by contacting ASTM at the aboveaddress or at 610-832-9585 (phone), 610-832-9555 (fax), or serviceastm.org (e-mail); or through the ASTM website(www.astm.org). Permission rights to photocopy the standard may also be secured from the ASTM website (www.astm.org/COPYRIGHT/).D4479/D4479M 07 (2012)12
