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ASTM D2178-97a

(Specification)

Standard Specification for Asphalt Glass Felt Used in Roofing and Waterproofing

Standard Specification for Asphalt Glass Felt Used in Roofing and Waterproofing

SCOPE
1.1 This specification covers glass felts impregnated with asphalt that may be used with asphalts conforming to the requirements of Specification D 312 in the construction of built-up roofs, and with asphalts conforming to the requirements of Specification D 449 in the membrane system of waterproofing.  
1.2 The values stated in inch-pound units are to be regarded as the standard. The values given in parentheses are for information only.
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.

General Information

Status
Historical
Publication Date
09-Jul-1997
ICS
91.100.50 - Binders. Sealing materials
Technical Committee
D08 - Roofing and Waterproofing
Drafting Committee
D08.04 - Felts, Fabrics and Bituminous Sheet Materials
Current Stage
Ref Project

Relations

Replaced By
ASTM D2178-04 - Standard Specification for Asphalt Glass Felt Used in Roofing and Waterproofing (Withdrawn 2013)
Effective Date
01-Oct-2004

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ASTM D2178-97a - Standard Specification for Asphalt Glass Felt Used in Roofing and WaterproofingASTM D2178-97a - Standard Specification for Asphalt Glass Felt Used in Roofing and Waterproofing
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ASTM D2178-97a - Standard Specification for Asphalt Glass Felt Used in Roofing and Waterproofing
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NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.
Contact ASTM International (www.astm.org) for the latest information
Designation: D 2178 – 97a
Standard Specification for
1
Asphalt Glass Felt Used in Roofing and Waterproofing
This standard is issued under the fixed designation D 2178; 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 4. Classification
1.1 This specification covers glass felts impregnated to 4.1 Asphalt-impregnated glass feltsTypes III, IV, andVI are
varying degrees with asphalt intended to be used with asphalts covered by this specification.
conforming to the requirements of Specification D 312 in the
5. Materials and Manufacture
construction of built-up roofs, and with asphalts conforming to
5.1 The felt shall be a thin, porous sheet of uniformly
the requirements of Specification D 449 in the construction of
waterproofing systems. distributed glass fibers, with or without the addition of rein-
forcing stranded glass yarns, and bonded with a water-resistant
1.2 The values stated in inch-pound units are to be regarded
resinous binder.
as the standard. The values given in parentheses are for
information only. 5.2 In the process of manufacture, the felt shall be impreg-
nated with asphalt which shall be permitted to contain a
1.3 This standard does not purport to address all of the
safety concerns, if any, associated with its use. It is the mineral stabilizer so that the individual glass fibers are coated
and the asphalt is evenly distributed throughout.
responsibility of the user of this standard to establish appro-
priate safety and health practices and determine the applica- 5.3 The impregnated glass felt shall be surfaced with a
material to prevent sticking in the roll. The nature and quantity
bility of regulatory limitations prior to use.
of the surfacing material shall not interfere with adhesion
2. Referenced Documents
between the plies of a membrane.
2.1 ASTM Standards:
6. Physical Properties, Dimensions, and Masses
D 146 Test Methods for Sampling and Testing Bitumen-
6.1 The material shall conform to the physical properties,
Saturated Felts and Woven Fabrics for Roofing and Wa-
2
terproofing dimensions, and masses prescribed in Table 1 and Table 2.
2
6.2 The finished product shall not crack nor be so sticky as
D 312 Specification for Asphalt Used in Roofing
D 449 Specification forAsphalt Used in Dampproofing and to cause tearing or other damage upon being unrolled at
2
temperatures between 50 and 140°F (10 and 60°C).
Waterproofing
D 1079 Terminology Relating to Roofing, Waterproofing, 6.3 After extraction of the asphalt in accordance with
2
Section 16 of Test Methods D 146, the desaturated felt shall
and Bituminous Materials
remain flat and unbuckled, shall retain its original shape and
3. Terminology
dimensions, and individual fibers shall remain firmly set in
3.1 Definitions: place.
3.1.1 Fordefinitionsoftermsusedinthisspecification,refer 6.4 The pliability specimen shall be conditioned in air at 77
to Terminology D 1079. 6 2°F (256 1°C), 506 5 % relative humidity, for at least 1
3.2 Definitions of Terms Specific to This Standard: h and tested in a room maintained at the same temperature
3.2.1 net dry mass—the mass of the asphalt-impregnated (immersion in water not required). Otherwise, follow Test
glass felt exclusive of wrapping and packing material, after Methods D 146, the paragraph on felts in the Pliability section.
drying to constant weight and after removing all detached
7. Workmanship, Finish, and Appearance
comminuted surfacing material as described in 8.2.
7.1 The finished material shall be uniformly impregnated
with asphalt of uniform thickness, and shall be free of visible
1
This specification is under the jurisdiction of ASTM Committee D-8 on
defects such as ragged or untrue edges, breaks, cracks, tears,
Roofing,Waterproofing, and Bituminous Materials and is the direct responsibility of
Subcommittee D08.04 on Felts and Fabrics for Bituminous Roofing and Water- and protuberances.
proofing.
7.2 Types III and IV shall contain closely spaced pinholes
Current edition approved July 10, 1997. Published January 1998. Originally
1
not over ⁄32 in. (0.8 mm) in diameter over the entire area of the
published as D 2178 – 63 T. Last previous edition D 2178 – 97.
1
2
felt. Individual holes up to ⁄4 in. (6.3 mm) in diameter shall be
Annual Book of ASTM Standards, Vol 04.04.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.
1

---------------------- Page: 1 ----------------------
D 2178
TABLE 1 Physical Properties of Asphalt Glass Felt
9. Inspection
Type III Type IV Type
...

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