ASTM D2824/D2824M-13
(Specification)Standard Specification for Aluminum-Pigmented Asphalt Roof Coatings, Nonfibered, and Fibered without Asbestos
Standard Specification for Aluminum-Pigmented Asphalt Roof Coatings, Nonfibered, and Fibered without Asbestos
ABSTRACT
This specification covers three types of aluminum-pigmented asphalt roof coatings suitable for application to roofing or masonry surfaces by brush or spray. Type I is nonfibered, Type II is fibered with asbestos, and Type III is fibered other than asbestos. The coatings shall adhere to chemical requirements such as composition limits for water, nonvolatile matter, metallic aluminum, and insolubility in CS2. They shall also meet physical requirements as to uniformity, consistency, and luminous reflectance.
SCOPE
1.1 This specification covers asphalt-based, aluminum-pigmented roof coatings suitable for application to roofing or masonry surfaces by brush or spray.
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 non-conformance with the standard.
1.3 The following precautionary caveat pertains only to the test method portion, Section 8, of this specification: 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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Designation: D2824/D2824M −13
Standard Specification for
Aluminum-Pigmented Asphalt Roof Coatings, Nonfibered,
1
and Fibered without Asbestos
This standard is issued under the fixed designation D2824/D2824M; 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 3. Classification
1.1 This specification covers asphalt-based, aluminum- 3.1 Type I—Nonfibered, containing no fiber.
pigmented roof coatings suitable for application to roofing or
3.2 Type III—Fibered, containing no asbestos fiber.
masonry surfaces by brush or spray.
4. Materials and Manufacture
1.2 The values stated in either SI units or inch-pound units
are to be regarded separately as standard. The values stated in
4.1 Asphalt-based, aluminum-pigmented roof coatings shall
each system may not be exact equivalents; therefore, each
consist of an asphalt base, volatile petroleum solvents, and a
system shall be used independently of the other. Combining
leafing type of aluminum pigment conforming to the require-
values from the two systems may result in non-conformance
ments of Specification D962, with or without fiber added.They
with the standard.
shall be mixed to a smooth, uniform consistency suitable for
1.3 The following precautionary caveat pertains only to the application by brush, roller, or by spraying.
test method portion, Section 8, of this specification: This
5. Composition
standard does not purport to address all of the safety concerns,
if any, associated with its use. It is the responsibility of the user
5.1 Asphalt-based, aluminum-pigmented roof coatings
of this standard to establish appropriate safety and health
complying with this specification shall conform to the follow-
practices and determine the applicability of regulatory limita-
ing composition limits:
tions prior to use.
Type I Type III
2. Referenced Documents Water, max, % 0.3 0.3
Nonvolatile matter (NVM), min, % 40 40
2
2.1 ASTM Standards:
Insoluble in CS , max, % of NVM 40 50
2
Metallic aluminum, min, % 11 9
C1549 Test Method for Determination of Solar Reflectance
NearAmbientTemperature Using a Portable Solar Reflec-
6. Physical Requirements
tometer
D962 Specification for Aluminum Powder and Paste Pig- 6.1 Uniformity—After a thoroughly stirred sample has stood
ments for Paints for 72 h at room temperature 23 6 2°C [73.4 6 °F] in a closed
D4798 Practice for Accelerated Weathering Test Conditions container, it shall show no separation of solvent or settling that
and Procedures for Bituminous Materials (Xenon-Arc can not be overcome by moderate stirring.
Method)
6.2 Consistency—The roof coating shall be of a consistency
D6511 Test Methods for Solvent Bearing Bituminous Com-
that will spread readily and permit application by brush, roller,
pounds
orspraytoproduceafilminwhichthealuminumpigmentleafs
to form a bright reflective surface on prepared roofing, satu-
rated felt, and metal surfaces at ambient temperatures above
1
This specification is under the jurisdiction of ASTM Committee D08 on
10°C [50°F].
Roofing and Waterproofing and is the direct responsibility of Subcommittee D08.05
6.2.1 Type I—Consistency at 25°C [77°F] shall be between
on Solvent-Bearing Bituminous Compounds for Roofing and Waterp
...
This document is not an ASTM standard and is intended only to provide the user of an ASTM standard an indication of what changes have been made to the previous version. Because
it may not be technically possible to adequately depict all changes accurately, ASTM recommends that users consult prior editions as appropriate. In all cases only the current version
of the standard as published by ASTM is to be considered the official document.
´1
Designation: D2824/D2824M − 06 (Reapproved 2012) D2824/D2824M − 13
Standard Specification for
Aluminum-Pigmented Asphalt Roof Coatings, Nonfibered,
1
Asbestos Fibered, and Fibered without Asbestos
This standard is issued under the fixed designation D2824/D2824M; 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
ε NOTE—Units information was editorially corrected in August 2012.
1. Scope
1.1 This specification covers asphalt-based, aluminumaluminum-pigmented roof coatings suitable for application to roofing or
masonry surfaces by brush or spray.
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 non-conformance with the standard.
1.3 The following precautionary caveat pertains only to the test method portion, Section 8, of this specification: 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.
2. Referenced Documents
2
2.1 ASTM Standards:
C1549 Test Method for Determination of Solar Reflectance Near Ambient Temperature Using a Portable Solar Reflectometer
D962 Specification for Aluminum Powder and Paste Pigments for Paints
D4798 Practice for Accelerated Weathering Test Conditions and Procedures for Bituminous Materials (Xenon-Arc Method)
D6511 Test Methods for Solvent Bearing Bituminous Compounds
3. Classification
3.1 Type I—Nonfibered, containing no fiber.
3.2 Type II—Fibered, containing asbestos fiber.
3.2 Type III—Fibered, containing no asbestos fiber.
4. Materials and Manufacture
4.1 Asphalt-based, aluminumaluminum-pigmented roof coatings shall consist of an asphalt base, volatile petroleum solvents,
and a leafing type of aluminum pigment conforming to the requirements of Specification D962, with or without fiber added. They
shall be mixed to a smooth, uniform consistency suitable for application by brush, roller, or by spraying.
5. Composition
5.1 Asphalt-based, aluminumaluminum-pigmented roof coatings complying with this specification shall conform to the
following composition limits:
1
This specification is under the jurisdiction of ASTM Committee D08 on Roofing and Waterproofing and is the direct responsibility of Subcommittee D08.05 on
Solvent-Bearing Bituminous Compounds for Roofing and Waterproofing.
Current edition approved Aug. 15, 2012Nov. 1, 2013. Published August 2012November 2013. Originally approved in 1969. Last previous edition approved in 20062012
ε1
as D2824 – 06.D2824 – 06 (2012) . DOI: 10.1520/D2824_D2824M-06R12E01.10.1520/D2824_D2824M-13.
2
For referenced ASTM standards, visit the ASTM website, www.astm.org, or contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM Standards
volume information, refer to the standard’s Document Summary page on the ASTM website.
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D2824/D2824M − 13
Type I Type II or
Type III
Type I Type
III
Water, max, % 0.3 0.3
Nonvolatile matter (NVM), min, % 40 40
Insoluble in CS , max, % of NVM 40 50
2
Metallic aluminum, min, % 11 9
6. Physical Requirements
6.1 Uniformity—After a thoroughly stirred sample has stood for 72 h at room temperature 23 6 2°C [73.4 6 °F] in a closed
container, it shall show no separation of solvent or settling that can not be overcome by moderate stirring.
6.2 Consistency—The roof coating shall be of a consistency that will spread readily and permit application by brush, roller, or
spray to produce a film in which the aluminum pigment leafs to form a bright reflective surface on prepared roofing, saturated felt,
and metal surfaces at ambient temperatures above 10°C [50°F].
6.2.1 Type I—Consistency at 25°C [77°F] shall be between 20 and 30 Stormer s/100 revolutions of the paddle-type rotor with
a 100-g load in addition to the standardizing load.
6.2.2 Typ
...
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