ASTM D2824/D2824M-06(2012)e1
(Specification)Standard Specification for Aluminum-Pigmented Asphalt Roof Coatings, Nonfibered, Asbestos Fibered, and Fibered without Asbestos
Standard Specification for Aluminum-Pigmented Asphalt Roof Coatings, Nonfibered, Asbestos Fibered, 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 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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´1
Designation: D2824/D2824M −06(Reapproved 2012)
Standard Specification for
Aluminum-Pigmented Asphalt Roof Coatings, Nonfibered,
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.
´ NOTE—Units information was editorially corrected in August 2012.
1. Scope 3. Classification
1.1 This specification covers asphalt-based, aluminum roof 3.1 Type I—Nonfibered, containing no fiber.
coatings suitable for application to roofing or masonry surfaces
3.2 Type II—Fibered, containing asbestos fiber.
by brush or spray.
3.3 Type III—Fibered, containing no asbestos fiber.
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. Materials and Manufacture
each system may not be exact equivalents; therefore, each
4.1 Asphalt-based, aluminum roof coatings shall consist of
system shall be used independently of the other. Combining
an asphalt base, volatile petroleum solvents, and a leafing type
values from the two systems may result in non-conformance
of aluminum pigment conforming to the requirements of
with the standard.
Specification D962, with or without fiber added. They shall be
1.3 The following precautionary caveat pertains only to the
mixed to a smooth, uniform consistency suitable for applica-
test method portion, Section 8, of this specification: This
tion by brush, roller, or by spraying.
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. Composition
of this standard to establish appropriate safety and health
5.1 Asphalt-based, aluminum roof coatings complying with
practices and determine the applicability of regulatory limita-
this specification shall conform to the following composition
tions prior to use.
limits:
2. Referenced Documents
Type I Type II or
Type III
2.1 ASTM Standards:
C1549 Test Method for Determination of Solar Reflectance
Water, max, % 0.3 0.3
NearAmbientTemperature Using a Portable Solar Reflec-
Nonvolatile matter (NVM), min, % 40 40
Insoluble in CS , max, % of NVM 40 50
tometer
Metallic aluminum, min, % 11 9
D962 Specification for Aluminum Powder and Paste Pig-
ments for Paints
6. Physical Requirements
D4798 Practice for Accelerated Weathering Test Conditions
6.1 Uniformity—Afterathoroughlystirredsamplehasstood
and Procedures for Bituminous Materials (Xenon-Arc
for 72 h at room temperature 23 6 2°C [73.4 6 °F] in a closed
Method)
container, it shall show no separation of solvent or settling that
D6511 Test Methods for Solvent Bearing Bituminous Com-
can not be overcome by moderate stirring.
pounds
6.2 Consistency—The roof coating shall be of a consistency
This specification is under the jurisdiction of ASTM Committee D08 on
that will spread readily and permit application by brush, roller,
Roofing and Waterproofing and is the direct responsibility of Subcommittee D08.05
orspraytoproduceafilminwhichthealuminumpigmentleafs
on Solvent-Bearing Bituminous Compounds for Roofing and Waterproofing.
to form a bright reflective surface on prepared roofing, satu-
Current edition approved Aug. 15, 2012. Published August 2012. Originally
rated felt, and metal surfaces at ambient temper
...
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