Standard Specification for Asphalt Used in Roofing

ABSTRACT
This specification covers four types of asphalt intended for use in built-up roof construction, construction of some modified bitumen systems, construction of bituminous vapor retarder systems, and for adhering insulation boards used in various types of roof systems. The asphalts shall be prepared from crude petroleum. Asphalts shall be classified as: Type I; Type II; Type III; and Type IV. Asphalts of each type shall conform to the physical properties prescribed. Tests shall be performed to determine the properties of the material in accordance with the following methods: sampling; softening point; flash point; penetration; ductility; and solubility.
SCOPE
1.1 This specification covers four types of asphalt intended for use in built-up roof construction, construction of some modified bitumen systems, construction of bituminous vapor retarder systems, and for adhering insulation boards used in various types of roof systems. The specification is intended for general classification purposes only, and does not imply restrictions on the slope at which an asphalt must be used.
1.2 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.

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Publication Date
30-Nov-2006
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ASTM D312-00(2006) - Standard Specification for Asphalt Used in Roofing
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NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.
Contact ASTM International (www.astm.org) for the latest information
Designation:D312 −00(Reapproved 2006)
Standard Specification for
Asphalt Used in Roofing
This standard is issued under the fixed designation D312; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. 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.
1. Scope 4. Physical Requirements
1.1 This specification covers four types of asphalt intended 4.1 Asphalts shall be homogeneous and free of water.
for use in built-up roof construction, construction of some
4.2 Asphalts of each type shall conform to the physical
modified bitumen systems, construction of bituminous vapor
properties prescribed in Table 1.
retarder systems, and for adhering insulation boards used in
various types of roof systems. The specification is intended for 5. Sampling and Test Methods
general classification purposes only, and does not imply
5.1 Sample the material and determine the properties enu-
restrictions on the slope at which an asphalt must be used.
merated in this specification in accordance with the following
1.2 This standard does not purport to address all of the
methods:
safety concerns, if any, associated with its use. It is the
5.1.1 Sampling—Practice D140.
responsibility of the user of this standard to establish appro-
5.1.2 Softening Point— See Test Methods D36 or D3461.In
priate safety and health practices and determine the applica-
cases where a disagreement exists between the purchaser and
bility of regulatory limitations prior to use.
the seller, Test Method D36 shall be used as the referee
method.
2. Referenced Documents
5.1.3 Flash Point— Test Method D92.
5.1.4 Penetration— Test Method D5.
2.1 ASTM Standards:
5.1.5 Ductility—Test Method D113.
D5 Test Method for Penetration of Bituminous Materials
5.1.6 Solubility—Test Method D2042.
D36 Test Method for Softening Point of Bitumen (Ring-and-
Ball Apparatus)
6. Inspection
D92 Test Method for Flash and Fire Points by Cleveland
6.1 Inspection of the material shall be agreed upon between
Open Cup Tester
the purchaser and the seller as part of the purchase contract.
D113 Test Method for Ductility of Bituminous Materials
D140 Practice for Sampling Bituminous Materials
7. Rejection and Resubmittal
D1079 Terminology Relating to Roofing and Waterproofing
7.1 Failure to conform to any of the requirements prescribed
D2042 Test Method for Solubility of Asphalt Materials in
in this specification shall constitute grounds for rejection. In
Trichloroethylene
case of rejection, the seller shall have the right to reinspect the
D3461 Test Method for Softening Point ofAsphalt and Pitch
rejected material and resubmit the lot after removal of those
(Mettler Cup-and-Ball Method)
packages not conforming to the requirements.
3. Materials and Manufacture
8. Packaging and Marking
3.1 The asphalts shall be prepared from crude petroleum.
8.1 Asphalt shall be suitably packaged (if not shipped in
bulk) to permit acceptance by the carrier and to afford adequate
protection from the normal hazards of handli
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