ASTM D4479-00(2006)

NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.
Please contact ASTM International (www.astm.org) for the latest information.
Designation: D 4479 – 00 (Reapproved 2006)
Standard Specification for
Asphalt Roof Coatings – Asbestos-Free
This standard is issued under the fixed designation D 4479; 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 (ϵ) 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 both, excluding asbestos fiber, mixed to a smooth, uniform
consistency suitable for application by squeegee, three-knot
1.1 Thisspecificationcoversasbestos-freeasphaltroofcoat-
brush, paint brush, roller, or by spraying.
ings of brushing or spraying consistency.
1.2 The following precautionary caveat pertains only to the
5. Composition
test method portion, Section 8, of this specification: This
5.1 Asphalt roof coatings complying with this specification
standard does not purport to address all of the safety concerns,
shall conform to the following composition limits:
if any, associated with its use. It is the responsibility of the user
min max
of this standard to establish appropriate safety and health
Moisture, % . 2.5
practices and determine the applicability of regulatory limita-
Nonvolatile matter, % 50 .
tions prior to use.
Mineral or other stabilizer, or both, 5 20
Stabilizers, %
Asphalt, % 40 .
2. Referenced Documents
2.1 ASTM Standards:
6. Physical Requirements
D312 Specification for Asphalt Used in Roofing
6.1 Uniformity—After a thoroughly stirred sample has
D449 DESIG ATTRIBUTE D0449 DIDN’T MATCH,
stood for 72 h at room temperature 236 2°C (73.46 3.6°F)
MATCHED WITH D0449_D0449M Specification for
in a closed container, it shall show no separation of solvent or
Asphalt Used in Dampproofing and Waterproofing
settling that cannot be overcome by moderate stirring.
D946 Specification for Penetration-GradedAsphalt Cement
6.2 Consistency—The roof coating shall be of a consistency
for Use in Pavement Construction
that will spread readily and permit application by squeegee,
2 2
D6511 Test Methods for Solvent Bearing Bituminous Com-
brush, roller or spray at the rate of 1.25 m /litre (50 ft /gal) on
pounds
prepared roofing, saturated felt, and metal surfaces at ambient
temperatures above 10°C (50°F). Consistency at 25°C (77°F)
3. Classification
shall be between 50 and 400 Stormer s/100 revolutions.
3.1 Type I is made from asphalts characterized as self-
6.3 Behavior at 60°C (140°F)—The roof coating shall show
healing, adhesive, and ductile, and conforming to the require-
no evidence of blistering, and sag or slide shall be no greater
ments of Specification D 312D312, Type I; Specification
than 6 mm ( ⁄4 in.). Staining or absorption of the coating on the
D 449D449, Types I or II; or Specification D 946D946.
reverse side of the prepared roofing test panel shall not exceed
3.2 Type II is made from asphalts characterized by high
5 % of the coated area.
softening point and relatively low ductility, and conforming to
6.4 Pliability at 0°C (32°F)—There shall be no cracking or
therequirementsofSpecificationD 312D312TypesIIorIII;or
separation of the roof coating from the metal.
Specification D 449D449, Type III.
7. Sampling
4. Materials and Manufacture
7.1 See Section 4 on Sampling of Test Methods
4.1 Asphalt roof
...