ASTM D173/D173M-03(2011)e1

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Designation:D173/D173M −03 (Reapproved 2011)
Standard Specification for
Bitumen-Saturated Cotton Fabrics Used in Roofing and
Waterproofing
This standard is issued under the fixed designation D173/D173M; 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.
This standard replaces Federal Specification SS-C-450.
´ NOTE—Units information was editorially corrected in January 2012.
1. Scope D449 Specification for Asphalt Used in Dampproofing and
Waterproofing
1.1 This specification covers woven cotton fabrics saturated
D450 Specification for Coal-Tar Pitch Used in Roofing,
with either asphalt or coal-tar pitch intended to be used with
Dampproofing, and Waterproofing
asphalts conforming to Specifications D312 or D449, coal-tar
D1079 Terminology Relating to Roofing and Waterproofing
pitches conforming to Specification D450, or appropriate
D3775 Test Method forWarp (End) and Filling (Pick) Count
solvent bearing bituminous materials in the construction of
of Woven Fabrics
roofing and waterproofing systems.
1.1.1 Asphalt-saturated cotton fabric shall be used with
3. Terminology
asphalt base plying cement; typical ones are mopping asphalts
3.1 Definitions—For definitions of terms used in this
conforming to Specifications D312 or D449 or appropriate
specification, refer to Terminology D1079.
solvent bearing asphaltic compounds.
1.1.2 Coal-tar-saturated cotton fabric shall be used with
4. Materials and Manufacture
coal-tar based plying cements; a typical one is coal-tar pitch
conforming to Specification D450 or appropriate solvent bear-
4.1 In the process of manufacture, the dry cotton fabric shall
ing coal-tar compounds.
be thoroughly and uniformly saturated with bitumen.This shall
be accomplished by passing the fabric through the saturant or
1.2 The values stated in either SI units or inch-pound units
by spraying with saturant, calendering in the presence of heat,
are to be regarded separately as standard. The values stated in
and then cooling before winding on a core.
each system may not be exact equivalents; therefore, each
system shall be used independently of the other. Combining
4.2 If fabric with a selvage is used, the selvage shall not be
values from the two systems may result in non-conformance
more than 16 mm [ ⁄8 in.] wide.
with the standard.
4.3 The fabric shall be woven entirely from cotton fibers,
but customary sizing materials not exceeding 8 % by weight of
2. Referenced Documents
the moisture-free cotton shall be permitted to be used.
2.1 ASTM Standards:
D146 Test Methods for Sampling and Testing Bitumen-
5. Physical Properties
Saturated Felts and Woven Fabrics for Roofing and
5.1 The material shall conform to the physical requirements
Waterproofing
prescribed in Table 1 and the dimensions and masses pre-
D312 Specification for Asphalt Used in Roofing
scribed in Table 2.
5.2 The finished product shall not crack nor be so sticky as
1 to cause tearing or other damage upon being unrolled at
This specification is under the jurisdiction of ASTM Committee D08 on
Roofing and Waterproofing and is the direct responsibility of Subcommittee D08.04 temperatures between 10 and 60°C [50 and 140°F].
on Felts, Fabrics and Bituminous Sheet Materials.
Current edition approved Nov. 1, 2011. Published January 2012. Originally
6. Workmanship, Finish, and Appearance
approved in 1923. Last previous edition approved in 2003 as D173 – 03. DOI:
10.1520/D0173_D0173M-03R11E01.
6.1 The meshes of the fabric shall not be completely closed
For referenced ASTM standards, visit the ASTM website, www.astm.org, or
or sealed by the process of saturation. There shall be sufficient
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
porosity maintained to allow successive moppings of the
Standards volume information, refer to the standard’s Document Summary page on
the ASTM website. plying cement to seep through.
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D173/D173M−03 (2011)
TABLE 1 Physical Properties of Saturated Cotton Fabrics
7.2 Determine the pliability of the saturated fabric at 0°C
Property Requirement [32°F] by bending over a 1.6-mm [ ⁄16-in.] diameter mandrel
A
Breaking load at 21.1°C [70°F], both warp and fill 8.76 [50]
through an arc of 180° in one direction and then through 360°
directions, min, kN/m [lbf/in.]
in the
...