1、Designation: D4479/D4479M 07 (Reapproved 2018)Standard 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 revision, the year o
2、f 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 U.S. Department of Defense.1. Scope1.1 This specification covers asbe
3、stos-free asphalt roof coat-ings of brushing or spraying consistency.1.2 The values stated in either SI units or inch-pound unitsare to be regarded separately as standard. The values stated ineach system may not be exact equivalents; therefore, eachsystem shall be used independently of the other. Co
4、mbiningvalues from the two systems may result in non-conformancewith the standard.1.3 The following precautionary caveat pertains only to thetest method portion, Section 8, of this specification: Thisstandard does not purport to address all of the safety concerns,if any, associated with its use. It
5、is the responsibility of the userof this standard to establish appropriate safety, health, andenvironmental practices and determine the applicability ofregulatory limitations prior to use.1.4 This international standard was developed in accor-dance with internationally recognized principles on stand
6、ard-ization established in the Decision on Principles for theDevelopment of International Standards, Guides and Recom-mendations issued by the World Trade Organization TechnicalBarriers to Trade (TBT) Committee.2. Referenced Documents2.1 ASTM Standards:2D312/D312M Specification for Asphalt Used in R
7、oofingD449/D449M Specification forAsphalt Used in Dampproof-ing and WaterproofingD946/D946M Specification for Penetration-Graded AsphaltBinder for Use in Pavement ConstructionD6511/D6511M Test Methods for Solvent Bearing Bitumi-nous Compounds3. Classification3.1 Type I is made from asphalts characte
8、rized as self-healing, adhesive, and ductile, and conforming to the require-ments of Specification D312/D312M, Type I; SpecificationD449/D449M, Types I or II; or Specification D946/D946M.3.2 Type II is made from asphalts characterized by highsoftening point and relatively low ductility, and conformi
9、ng tothe requirements of Specification D312/D312M Types II or III;or Specification D449/D449M, Type III.4. Materials and Manufacture4.1 Asphalt roof coatings shall consist of an asphalt base,volatile petroleum solvents, and mineral or other stabilizers, orboth, excluding asbestos fiber, mixed to a s
10、mooth, uniformconsistency suitable for application by squeegee, three-knotbrush, paint brush, roller, or by spraying.5. Composition5.1 Asphalt roof coatings complying with this specificationshall conform to the following composition limits:min maxWater content, % . 2.5Nonvolatile content, % 50 .Mine
11、ral and/or other stabilizers 5 20Bitumen (asphalt), % 40 .6. Physical Requirements6.1 UniformityAfter a thoroughly stirred sample has stoodfor 72 h at room temperature 23 6 2C 73.4 6 3.6F in aclosed container, it shall show no separation of solvent orsettling that cannot be overcome by moderate stir
12、ring.6.2 ConsistencyThe roof coating shall be of a consistencythat will spread readily and permit application by squeegee,brush, roller or spray at the rate of 1.25 m2/litre 50 ft2/gal onprepared roofing, saturated felt, and metal surfaces at ambienttemperatures above 10C 50F. Consistency at 25C 77F
13、shall be between 50 and 400 Stormer s/100 revolutions.6.3 Behavior at 60C 140FThe roof coating shall showno evidence of blistering, and sag or slide shall be no greaterthan 6 mm 14 in. Staining or absorption of the coating on thereverse side of the prepared roofing test panel shall not exceed5 % of
14、the coated area.1This specification is under the jurisdiction of ASTM Committee D08 onRoofing and Waterproofing and is the direct responsibility of Subcommittee D08.05on Solvent-Bearing Bituminous Compounds for Roofing and Waterproofing.Current edition approved May 1, 2018. Published June 2018. Orig
15、inallyapproved in 1985. Last previous edition approved in 2012 as D4479/D4479M 07(2012)1. DOI: 10.1520/D4479_D4479M-07R18.2For referenced ASTM standards, visit the ASTM website, www.astm.org, orcontact ASTM Customer Service at serviceastm.org. For Annual Book of ASTMStandards volume information, ref
16、er to the standards Document Summary page onthe ASTM website.Copyright ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United StatesThis international standard was developed in accordance with internationally recognized principles on standardization establis
17、hed in the Decision on Principles for theDevelopment of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.16.4 Pliability at 0C 32FThere shall be no cracking orseparation of the roof coating from the metal.7. Sampli
18、ng7.1 See Section 4 on Sampling of Test Methods D6511/D6511M.8. Test Methods8.1 Determine composition and physical requirements byusing the procedures in Test Methods D6511/D6511M.9. Precision and Bias9.1 See Section 21 on Precision and Bias of Test MethodsD6511/D6511M.10. Inspection10.1 Inspection
19、of the material shall be agreed upon by thepurchaser and the seller as part of the purchase contract.11. Rejection and Rehearing11.1 Failure to conform to any of the requirements pre-scribed in this specification shall constitute grounds for rejec-tion. In cases of rejection, the seller shall have t
20、he right toreinspect and resubmit the lot after removal of those packagesnot conforming to the specified requirements.12. Packaging and Package Marking12.1 All products shall be packaged and labeled in accor-dance with applicable regulations. Each package shall bemarked to indicate the applicable AS
21、TM specification, includ-ing Type.13. Keywords13.1 asbestos-free; asphalt; fibered; roof coatingASTM International 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 determin
22、ation of the validity of any such patent rights, and the riskof infringement of such rights, are entirely their own 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 wit
23、hdrawn. 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 yo
24、ur comments have not received a fair hearing you shouldmake your views known to the ASTM Committee on Standards, 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 (sin
25、gle 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 Copyright Clearance Center, 222Rosewood Drive, Danvers, MA 01923, Tel: (978) 646-2600; http:/ 07 (2018)2
