Standard Specification for Coal-Tar-Saturated Organic Felt Used in Roofing and Waterproofing

ABSTRACT
This specification covers coal-tar-saturated organic felt intended to be used with coal-tar pitches conforming to the appropriate requirements in the construction of built-up roofs and in the construction of waterproofing systems. In the process of manufacture, a single thickness of dry felt shall be saturated with refined coal-tar from which some of the more volatile constituents have been removed. The material shall conform to the physical requirements prescribed. Test methods shall be performed to determine the properties of the material.
SCOPE
1.1 This specification covers coal-tar-saturated organic felt intended to be used with coal-tar pitches conforming to the appropriate requirements of Specification D450/D450M in the construction of built-up roofs and in the construction of waterproofing systems.  
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 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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Publication Date
31-Aug-2018
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ASTM D227/D227M-03(2018) - Standard Specification for Coal-Tar-Saturated Organic Felt Used in Roofing and Waterproofing
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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:D227/D227M −03 (Reapproved 2018)
Standard Specification for
Coal-Tar-Saturated Organic Felt Used in Roofing and
1
Waterproofing
This standard is issued under the fixed designation D227/D227M; 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.
This specification replaces Federal specification HH-R-595, Type 15C.
1. Scope 4. Materials and Manufacture
1.1 This specification covers coal-tar-saturated organic felt
4.1 In the process of manufacture, a single thickness of dry
intended to be used with coal-tar pitches conforming to the
felt shall be saturated with refined coal-tar from which some of
appropriate requirements of Specification D450/D450M in the
the more volatile constituents have been removed.
construction of built-up roofs and in the construction of
4.2 The felt shall be produced principally from organic
waterproofing systems.
fibers or mixtures thereof. The surface of the felt shall be
1.2 The values stated in either SI units or inch-pound units
uniform and relatively smooth. Upon splitting or tearing on the
are to be regarded separately as standard. The values stated in
bias,thefeltshallappearreasonablyfreeoflumpsandparticles
each system may not be exact equivalents; therefore, each
of foreign substances.
system shall be used independently of the other. Combining
values from the two systems may result in non-conformance
5. Physical Requirements
with the standard.
5.1 The material shall conform to the physical requirements
1.3 This international standard was developed in accor-
prescribed in Table 1.
dance with internationally recognized principles on standard-
5.2 The finished product shall not crack nor be so sticky as
ization established in the Decision on Principles for the
to cause tearing or other damage upon being unrolled at
Development of International Standards, Guides and Recom-
temperatures between 10 and 60°C [50 and 140°F].
mendations issued by the World Trade Organization Technical
Barriers to Trade (TBT) Committee.
6. Workmanship, Finish, and Appearance
2. Referenced Documents
6.1 The felt shall be saturated and shall show no unsaturated
2
2.1 ASTM Standards:
spots at any point upon cutting 50-mm [2-in.] wide strips at
D146/D146M Test Methods for Sampling and Testing
random across the entire sheet and splitting them open to their
Bitumen-Saturated Felts and Woven Fabrics for Roofing
full length.
and Waterproofing
6.2 The surface of the felt shall not be coated or covered
D450/D450M Specification for Coal-Tar Pitch Used in
with talc or other substances that would tend to interfere with
Roofing, Dampproofing, and Waterproofing
adhesion between the felt and the plying cement.
D1079 Terminology Relating to Roofing and Waterproofing
6.3 The finished material shall be free of visible external
3. Terminology
defects such as holes, ragged or untrue edges, breaks, cracks,
3.1 Definitions—For definitions of terms used in this
tears, protuberances, and indentations.
specification, refer to Terminology D1079.
7. Sampling and Test Methods
1
This specification is under the jurisdiction of ASTM Committee D08 on
7.1 Sample the material and determine the properties enu-
Roofing and Waterproofing and is the direct responsibility of Subcommittee D08.04
on Felts, Fabrics and Bituminous Sheet Materials.
merated in this specification in accordance with Test Methods
Current edition approved Sept. 1, 2018. Published October 2018. Originally
D146/D146M.
approved in 1925. Last previous edition approved in 2011 as D227/D227M – 03
ɛ1
(2011) . DOI: 10.1520/D0227_D0227M-03R18.
2
8. Inspection
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
8.1 Inspection—Inspection shall be in accordance with the
Standards volume information, refer to the standard’s Document Summary page on
the ASTM website. requirements of this specification.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
1

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D227/D227M−03 (2018)
TABLE 1 Physical Requirements for Coal-Tar-Saturated Organic Felt
A
Width of roll, mm [in.] 914 [36] ± 0.7 %
Area of Roll as agreed upon between the purchaser and the seller
2 2
Net mass of saturated felt, min, g/m [lb ⁄100 ft ] 635 [13]
B
Moisture, at point of manufactu
...

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