ASTM D226-06

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Designation: D 226 – 06
Standard Specification for
Asphalt-Saturated Organic Felt Used in Roofing and
1
Waterproofing
This standard is issued under the fixed designation D 226; 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 (e) 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 D 1079 Terminology Relating to Roofing and Waterproof-
ing
1.1 This specification covers asphalt-saturated organic felts,
with or without perforations, intended to be used with asphalts
3. Terminology
conforming to the requirements of Specification D 312 in the
3.1 Definitions—For definitions of terms used in this speci-
construction of built-up roofs, and with asphalts conforming to
fication, refer to Terminology D 1079.
the requirements of Specification D 449 in the construction of
water proofing systems.
4. Classification
1.2 The values stated in SI units are to be regarded as the
4.1 Asphalt-saturated felts covered by this specification are
standard. The values given in parentheses are for information
of two types:
only.
4.1.1 Type I—Commonly called No. 15 asphalt felt.
1.3 The following safety hazards caveat pertains only to the
4.1.2 Type II—Commonly called No. 30 asphalt felt.
test method portion, Section 8, of this specification: This
standard does not purport to address all of the safety concerns,
5. Materials and Manufacture
if any, associated with its use. It is the responsibility of the user
5.1 In the process of manufacture a single thickness of dry
of this standard to establish appropriate safety and health
felt shall be saturated with an asphaltic saturant.
practices and determine the applicability of regulatory limita-
5.2 The felt shall be produced principally from organic
tions prior to use.
fibers. The surface of the felt shall be uniform and relatively
smooth. Upon splitting or tearing on the bias, the felt shall
2. Referenced Documents
appear reasonably free of lumps or particles of foreign sub-
2
2.1 ASTM Standards:
stances.
D70 Test Method for Density of Semi-Solid Bituminous
Materials (Pycnometer Method)
6. Physical Requirements
D 146 Test Methods for Sampling and Testing Bitumen-
6.1 The material shall conform to the physical requirements
Saturated Felts and Woven Fabrics for Roofing and Wa-
prescribed in Table 1 and the dimensions and masses pre-
terproofing
scribed in Table 2.
D 312 Specification for Asphalt Used in Roofing
6.2 The finished product shall not crack nor be so sticky as
D 449 Specification forAsphalt Used in Dampproofing and
to cause tearing or other damage upon being unrolled at
Waterproofing
temperatures between 10 and 60°C (50 and 140°F).
D 727 Test Method for Kerosine Number of Roofing and
6.3 Perforated felts shall conform to the same requirements
Flooring Felt by the Vacuum Method
as the plain type but shall also have uniformly spaced perfo-
rations.
1
This specification is under the jurisdiction of ASTM Committee D08 on
Roofing and Waterproofing and is the direct responsibility of Subcommittee D08.04 7. Workmanship, Finish, and Appearance
on Felts and Fabrics.
7.1 The felt shall be thoroughly and uniformly saturated,
Current edition approved July 15, 2006. Published July 2006. Originally
and shall show no unsaturated spots at any point upon cutting
approved in 1925. Last previous edition approved in 2005 as D 226 – 05.
2
For referenced ASTM standards, visit the ASTM website, www.astm.org, or
50-mm (2-in.) wide strips at random across the entire sheet and
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
splitting them open for their full length.
Standards volume information, refer to the standard’s Document Summary page on
the ASTM website.
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D226–06
TABLE 1 Physical Requirements of Asphalt-Saturated Roofing Felt
Type I Type II
Average breaking strength, min, kN/m (lbf/in.) of width:
With fiber grain 5.3 (30) 7.0 (40)
Across fiber grain 2.6 (15) 3.5 (20)
Pliability at 25°C (77°F)
1 3
The ten strips tested shall not crack when bent 90° 12.7-mm ( ⁄2-in.) radius 19.1-mm ( ⁄4-in.) radius
at a uniform speed over a rounded corner of:
Loss on heating at 105°C (221°F) for 5 h, max, % 4 4
TABLE 2 Dimensions and Masses of Asphalt-Saturated Roofing Felt
Type I Type II
Width of roll, mm (in.) 914 (36) 6 0.7 % or as agreed upon by purchaser and seller
2 2 A A
Area of roll, min, m (ft ) 20.1 (216) or 40.1 (432) 20.1 (216)
B
Moisture, at point of manufacture, max % 4.3 4.1
2 2
Net mass of s
...