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 The values stated in either SI units or inch-pound units are to be regarded separately as standard. The values stated in each system may not be exact equivalents; therefore, each system shall be used independently of the other. Combining values from the two systems may result in nonconformance with the standard.  
1.3 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, health, and environmental practices and determine the applicability of regulatory limitations prior to use.  
1.4 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

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Status
Published
Publication Date
28-Feb-2023
Current Stage
Ref Project

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ASTM D312/D312M-16a(2023) - Standard Specification for Asphalt Used in Roofing
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This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the
Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.
Designation: D312/D312M − 16a (Reapproved 2023)
Standard Specification for
Asphalt Used in Roofing
This standard is issued under the fixed designation D312/D312M; 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 U.S. Department of Defense.
1. Scope (Ring-and-Ball Apparatus)
D92 Test Method for Flash and Fire Points by Cleveland
1.1 This specification covers four types of asphalt intended
Open Cup Tester
for use in built-up roof construction, construction of some
D113 Test Method for Ductility of Asphalt Materials
modified bitumen systems, construction of bituminous vapor
D140/D140M Practice for Sampling Asphalt Materials
retarder systems, and for adhering insulation boards used in
D1079 Terminology Relating to Roofing and Waterproofing
various types of roof systems. The specification is intended for
D2042 Test Method for Solubility of Asphalt Materials in
general classification purposes only, and does not imply
Trichloroethylene or Toluene
restrictions on the slope at which an asphalt must be used.
D3461 Test Method for Softening Point of Asphalt and Pitch
1.2 The values stated in either SI units or inch-pound units
(Mettler Cup-and-Ball Method)
are to be regarded separately as standard. The values stated in
D4402/D4402M Test Method for Viscosity Determination of
each system may not be exact equivalents; therefore, each
Asphalt at Elevated Temperatures Using a Rotational
system shall be used independently of the other. Combining
Viscometer
values from the two systems may result in nonconformance
D7553 Test Method for Solubility of Asphalt Materials in
with the standard.
N-Propyl Bromide
1.3 This standard does not purport to address all of the
safety concerns, if any, associated with its use. It is the
3. Materials and Manufacture
responsibility of the user of this standard to establish appro-
3.1 The asphalts shall be prepared from crude petroleum.
priate safety, health, and environmental practices and deter-
mine the applicability of regulatory limitations prior to use.
4. Physical Requirements
1.4 This international standard was developed in accor-
dance with internationally recognized principles on standard-
4.1 Asphalts shall be homogeneous and free of water.
ization established in the Decision on Principles for the
4.2 Asphalts of each type shall conform to the physical
Development of International Standards, Guides and Recom-
properties prescribed in Table 1.
mendations issued by the World Trade Organization Technical
Barriers to Trade (TBT) Committee.
5. Sampling and Test Methods
2. Referenced Documents
5.1 Sample the material and determine the properties enu-
merated in this specification in accordance with the following
2.1 ASTM Standards:
methods:
D5/D5M Test Method for Penetration of Bituminous Mate-
5.1.1 Sampling—Practice D140/D140M.
rials
D36/D36M Test Method for Softening Point of Bitumen
5.1.2 Softening Point—See Test Methods D36/D36M or
D3461. In cases where a disagreement exists between the
purchaser and the seller, Test Method D36/D36M shall be used
This specification is under the jurisdiction of ASTM Committee D08 on
as the referee method.
Roofing and Waterproofing and is the direct responsibility of Subcommittee D08.03
5.1.3 Flash Point—Test Method D92.
on Surfacing and Bituminous Materials for Membrane Waterproofing and Built-up
Roofing.
5.1.4 Penetration—Test Method D5/D5M.
Current edition approved March 1, 2023. Published March 2023. Originally
5.1.5 Ductility—Test Method D113.
approved in 1929. Last previous edition approved in 2016 as D312/D312M – 16a.
DOI: 10.1520/D0312_D
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