ASTM D3805/D3805M-97(2009)
(Guide)Standard Guide for Application of Aluminum-Pigmented Asphalt Roof Coatings
Standard Guide for Application of Aluminum-Pigmented Asphalt Roof Coatings
SIGNIFICANCE AND USE
Asphalt-based, solvent-type, fibered or nonfibered, aluminum-pigmented roof coatings are used as a protective coating for solar reflection to prolong the life of roofing materials or where decorative qualities are desired.
Suitable application of aluminum-pigmented asphalt roof coatings is an important factor in achieving a successful long-term coating. Suitable application is, in part, dependent upon appropriate specifications to guide the work. This guide can be useful in facilitating development of an appropriate specification for surface preparation and application of the roof coating.
Designers/specifiers of coatings may use this guide in preparing the application portion of their specification. Contractors working directly for the building owner, may also use this guide.
This guide is not all-inclusive. Manufacturer's application instructions should be consulted and geographical “area practices” considered. Consult membrane manufacturer and coating manufacturer for acceptability of procedures and products.
SCOPE
1.1 This guide covers the application methods for Specification D 2824 Aluminum-Pigmented Asphalt Roof Coatings, Non-Fibered (Type I), Asbestos Fibered (Type II), and Fibered without Asbestos (Type III), for application on asphalt built-up roof membranes, modified bitumen roof membranes, bituminous base flashings, concrete surfaces, metal surfaces, emulsion coatings, and solvent-based coatings. This guide does not apply to the selection of a specific aluminum-pigmented asphalt roof coating type for use on specific projects.
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 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. Specific precautionary statements are given in Section 4.
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Designation: D3805/D3805M − 97(Reapproved 2009)
Standard Guide for
Application of Aluminum-Pigmented Asphalt Roof Coatings
This standard is issued under the fixed designation D3805/D3805M; 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.
1. Scope Preparing Modified Bitumen Roofing for the Application
of Surface Coatings
1.1 This guide covers the application methods for Specifi-
cation D2824 Aluminum-Pigmented Asphalt Roof Coatings,
3. Significance and Use
Non-Fibered (Type I),Asbestos Fibered (Type II), and Fibered
3.1 Asphalt-based, solvent-type, fibered or nonfibered,
withoutAsbestos (Type III), for application on asphalt built-up
aluminum-pigmented roof coatings are used as a protective
roof membranes, modified bitumen roof membranes, bitumi-
coating for solar reflection to prolong the life of roofing
nous base flashings, concrete surfaces, metal surfaces, emul-
materials or where decorative qualities are desired.
sion coatings, and solvent-based coatings. This guide does not
apply to the selection of a specific aluminum-pigmented
3.2 Suitable application of aluminum-pigmented asphalt
asphalt roof coating type for use on specific projects.
roof coatings is an important factor in achieving a successful
long-term coating. Suitable application is, in part, dependent
1.2 The values stated in either SI units or inch-pound units
upon appropriate specifications to guide the work. This guide
are to be regarded separately as standard. The values stated in
can be useful in facilitating development of an appropriate
each system may not be exact equivalents; therefore, each
specification for surface preparation and application of the roof
system shall be used independently of the other. Combining
coating.
values from the two systems may result in non-conformance
with the standard.
3.3 Designers/specifiers of coatings may use this guide in
preparing the application portion of their specification. Con-
1.3 This standard does not purport to address all of the
tractors working directly for the building owner, may also use
safety concerns, if any, associated with its use. It is the
this guide.
responsibility of the user of this standard to establish appro-
priate safety and health practices and determine the applica-
3.4 This guide is not all-inclusive. Manufacturer’s applica-
bility of regulatory limitations prior to use. Specific precau-
tion instructions should be consulted and geographical “area
tionary statements are given in Section 4.
practices” considered. Consult membrane manufacturer and
coating manufacturer for acceptability of procedures and
2. Referenced Documents
products.
2.1 ASTM Standards:
4. Storage
D2824 Specification forAluminum-PigmentedAsphalt Roof
Coatings, Nonfibered, Asbestos Fibered, and Fibered
4.1 Thecontainershouldbetightlysealedtopreventsolvent
without Asbestos
evaporation and to keep out moisture. The coatings should not
D4263 Test Method for Indicating Moisture in Concrete by
be stored at temperatures above 50°C [120°F]. (Warning—
the Plastic Sheet Method
When re-sealing a container, exercise caution to avoid trapping
2.2 Other Documents: or incorporating water into the container. Water can react with
Asphalt Roofing Manufacturers Association/Roof Coatings aluminum pigment producing hydrogen gas, a potential explo-
ManufacturersAssociation, Guidelines for Evaluating and sion hazard.)
5. Equipment for Application of Coating
This guide is under the jurisdiction of ASTM Committee D08 on Roofing and
5.1 Brush—Athree-knotorfour-knotroofer’sbrushorother
Waterproofing and is the direct responsibility of Subcommittee D08.05 on Solvent-
suitable brush.
Bearing Bituminous Compounds for Roofing and Waterproofing.
Current edition approved July 1, 2009. Published July 2009. Originally approved
5.2 Roller—A medium nap roller cover, suitable for use
´1
in 1979. Last previous edition approved in 2003 as D3805 – 97(2003) . DOI:
with asphalt-based, solvent-type coatings.
10.1520/D3805_D3805M-97R09.
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 Available from Roof Coatings Manufacturers Association (RCMA), Center
the ASTM website. Park, Suite 404, 4041 Powder Mill Road, Calverton, MD 20705.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
D3805/D3805M − 97 (2009)
5.3 Spray—Equipment capable of spraying coating in a absence of any field history, this guide can be followed with
controlled manner to achieve desired application rate. reasonable assurance of success.
9. Surface Preparation
6. Mixing of Coating
9.1 General—Debris, dust accumulations, and other loose
6.1 The aluminum pigment and filler settle out during
materials should be removed using brooms, air blowers, or
storage. Thorough mixing of coating is necessary to redisperse
vacuum equipment. Heavily soiled areas may be washed using
these components prior to use. Mechanically mix the coating
trisodium phosphate with water and scrubbed with a broom or
until homogeneous. Periodic mixing of the coating during
power washed. Rinse thoroughly with plenty of fresh water to
application may be needed. Coating should not be thinned or
remove cleaning solutions. Allow water to evaporate prior to
heated.
start of application of coating. Remove materials that could
impede coating adhesion.
7. Weather Considerations
9.2 Concrete Surfaces—The concrete must be cured and dry
7.1 Coating applications should not proceed during periods
prior to application.Test Method D4263 is an example of a test
of inclement weather. Do not begin applica
...
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:D3805–97 (Reapproved 2003) Designation: D 3805/D 3805M – 97
(Reapproved 2009)
Standard Guide for
Application of Aluminum-Pigmented Asphalt Roof Coatings
This standard is issued under the fixed designation D 3805/D 3805M; 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. ´ NOTE—This guide was made
SI-dominant editorially in August 2003.
1. Scope
1.1 This guide covers the application methods for Specification D 2824 Aluminum-Pigmented Asphalt Roof Coatings,
Non-Fibered (Type I),Asbestos Fibered (Type II), and Fibered withoutAsbestos (Type III), for application on asphalt built-up roof
membranes, modified bitumen roof membranes, bituminous base flashings, concrete surfaces, metal surfaces, emulsion coatings,
and solvent-based coatings. This guide does not apply to the selection of a specific aluminum-pigmented asphalt roof coating type
for use on specific projects.
1.2The values stated in SI units are to be regarded as the standard. The values given in parentheses are for information only.
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 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. Specific precautionary statements are given in Section 4.
2. Referenced Documents
2.1 ASTM Standards:
D1079Terminology Relating to Roofing, Waterproofing, and Bituminous Materials
D 2824 Specification for Aluminum-Pigmented Asphalt Roof Coatings, Nonfibered, Asbestos Fibered, and Fibered With-
outwithout Asbestos
D 4263 Test Method for Indicating Moisture in Concrete by the Plastic Sheet Method
2.2 Other Documents:
Asphalt Roofing Manufacturers Association/Roof Coatings Manufacturers Association, Guidelines for Evaluating and
Preparing Modified Bitumen Roofing for the Application of Surface Coatings
3. Significance and Use
3.1 Asphalt-based, solvent-type, fibered or nonfibered, aluminum-pigmented roof coatings are used as a protective coating for
solar reflection to prolong the life of roofing materials or where decorative qualities are desired.
3.2 Suitable application of aluminum-pigmented asphalt roof coatings is an important factor in achieving a successful long-term
coating. Suitable application is, in part, dependent upon appropriate specifications to guide the work. This guide can be useful in
facilitating development of an appropriate specification for surface preparation and application of the roof coating.
3.3 Designers/specifiers of coatings may use this guide in preparing the application portion of their specification. Contractors
working directly for the building owner, may also use this guide.
3.4 This guide is not all-inclusive. Manufacturer’s application instructions should be consulted and geographical “area
practices” considered. Consult membrane manufacturer and coating manufacturer for acceptability of procedures and products.
This guide is under the jurisdiction ofASTM Committee D08 on Roofing andWaterproofing and is the direct responsibility of Subcommittee D08.05 on Solvent-Bearing
Bituminous Compounds for Roofing and Waterproofing.
Current edition approved Aug. 10, 2003. Published August 2003. Originally approved in 1979. Last previous edition approved in 1997 as D3805–97.
´1
Current edition approved July 1, 2009. Published July 2009. Originally approved in 1979. Last previous edition approved in 2003 as D 3805 – 97(2003) .
For referencedASTM standards, visit theASTM website, www.astm.org, or contactASTM Customer Service at service@astm.org. For Annual Book of ASTM Standards
, Vol 04.04.volume information, refer to the standard’s Document Summary page on the ASTM website.
Annual Book of ASTM Standards, Vol 06.02.
Available from Roof Coatings Manufacturers Association (RCMA), Center Park, Suite 404, 4041 Powder Mill Road, Calverton, MD 20705.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.
D 3805/D 3805M – 97 (2009)
4. Storage
4.1 The container should be tightly sealed to prevent solvent evaporation and to keep out moisture. The coatings should not be
stored at temperatures above 50°C (120°F).[120°F]. (Warning—When re-sealing a container, exercise caution to avoid trapping
or incorporating water into the container. Water can react with aluminum pigment producing hydrogen gas, a potential explosion
hazard.)
5. Equipment for Application of Coating
5.1 Brush—A three-knot or four-knot roofer’s brush or other suitable brush.
5.2 Roller—A medium nap roller cover, suitable for use with asphalt-based, solvent-type coatings.
5.3 Spray—Equipment capable of spraying coating in a controlled manner to achieve desired application rate.
6. Mixing of Coating
6.1 The aluminum pigment and filler settle out during storage. Thorough mixing of coating is necessary to redisperse these
components prior to use. Mechanically mix the coating until homogeneous. Periodic mixing of the coating during application may
be needed. Coating should not be thinned or heated.
7. Weather Considerations
7.1 Coating applications should not proceed during periods of inclement weather. Do not begin application when precipitation
is anticipated within 24 h after application.
7.2 Applymaterialswhenambienttemperaturesare10°C(50°F)[50°F]andwarmer,butnotinexcessof40°C(104°F).[104°F].
8. Surface Considerations
8.1 Coatings should be applied to sou
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