Standard Specification for Atactic Polypropylene (APP) Modified Bituminous Sheet Materials Using Polyester Reinforcements

SCOPE
1.1 This specification covers prefabricated modified bituminous sheet materials reinforced with polyester fabric, with or without granules, that use atactic polypropylene (APP) as the primary modifier and are intended for use in the fabrication of multiple ply roofing and waterproofing membranes.
1.2 This specification is intended as a material specification only. Issues regarding the suitability of specific roof constructions or application techniques are beyond the scope of this specification.
1.3 The specified tests and property limits used to characterize the sheet materials covered by this specification are intended to establish minimum properties. In-place roof system design criteria such as fire resistance, field strength, impact/puncture resistance, material compatibility, uplift resistance, the need for field applied coatings, and others, are factors beyond the scope of this material specification.
1.4 The values stated in SI units are to be regarded as the standard. The inch-pound units given in parentheses are for information only.
1.5 The following precautionary statement pertains only to the test method portion, Section 9 , of this specification: 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.

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Publication Date
09-Jul-2000
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ASTM D6222-00e1 - Standard Specification for Atactic Polypropylene (APP) Modified Bituminous Sheet Materials Using Polyester Reinforcements
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e1
Designation: D 6222 – 00
Standard Specification for
Atactic Polypropylene (APP) Modified Bituminous Sheet
1
Materials Using Polyester Reinforcements
This standard is issued under the fixed designation D 6222; 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.
1
e NOTE—Tables 1 and 2 were corrected editorially in February 2002.
1. Scope D 5147 Test Methods for Sampling and Testing Modified
2
Bituminous Sheet Material
1.1 This specification covers prefabricated modified bitumi-
D 5636 Test Method for LowTemperature Unrolling of Felt
nous sheet materials reinforced with polyester fabric, with or
2
or Sheet Roofing and Waterproofing Materials
without granules, that use atactic polypropylene (APP) as the
primary modifier and are intended for use in the fabrication of
3. Terminology
multiple ply roofing and waterproofing membranes.
3.1 Definitions:
1.2 This specification is intended as a material specification
3.1.1 Fordefinitionsoftermsusedinthisspecification,refer
only. Issues regarding the suitability of specific roof construc-
to Terminology D 1079.
tions or application techniques are beyond the scope of this
3.2 Definitions of Terms Specific to This Standard:
specification.
3.2.1 elongation at 5 % of maximum load— the elongation
1.3 The specified tests and property limits used to charac-
measured on the load-elongation curve at which point the load
terize the sheet materials covered by this specification are
has dropped to 5 % of its maximum value.
intended to establish minimum properties. In-place roof system
design criteria such as fire resistance, field strength, impact/
4. Classification
puncture resistance, material compatibility, uplift resistance,
4.1 Type I and II modified bituminous sheet materials
the need for field applied coatings, and others, are factors
reinforced with polyester fabric, are covered by this specifica-
beyond the scope of this material specification.
tion (see Table 1).
1.4 The values stated in SI units are to be regarded as the
4.2 The following grades are used to describe the material
standard. The inch-pound units given in parentheses are for
surfacing:
information only.
4.2.1 Grade G—Granule surfacing.
1.5 The following precautionary statement pertains only to
4.2.2 Grade S—Smooth surfacing.
the test method portion, Section 9, 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, the reinforcement is
of this standard to establish appropriate safety and health
saturated with APP modified asphalt and is impregnated and
practices and determine the applicability of regulatory limita-
coated on both sides with anAPPmodified bituminous coating.
tions prior to use.
TheAPP modified bituminous coating shall be permitted to be
compounded with a mineral stabilizer.
2. Referenced Documents
5.2 Grade G materials are surfaced on the weather side with
2.1 ASTM Standards:
mineralgranules,exceptforanyselvage.Topreventstickingin
D 1079 Terminology Relating to Roofing, Waterproofing,
2 the roll, the reverse side and any selvage shall be permitted to
and Bituminous Materials
be covered with a fine mineral surfacing or any other surfacing
that will not interfere with adhesion or bonding of the lap
1
This specification is under the jurisdiction of ASTM Committee D08 on during application.
Roofing,Waterproofing, and Bituminous Materials and is the direct responsibility of
5.3 To prevent sticking in the roll, any selvage will be
Subcommittee D08.04 on Felts and Fabrics.
surfaced with mineral or other surfacing material that will not
Current edition approved July 10, 2000. Published September 2000. Originally
interfere with adhesion or bonding during application.
published as D 6222 – 98. Last previous edition D 6222 – 98.
2
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

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D6222–00
TABLE 1 Physical Properties of APP Modified Bituminous Sheet TABLE 2 Dimensions and Mass of APP Modified Bituminous
A A
Materials Using Polyester Reinforcements Sheet Materials Using Polyester Reinforcements
Property Type I Type II Property Type I Type II
Maximum load at 23 6 2°C (73.4 6 3.6°F) Thickness, min, mm (mils),
MD and XMD, before and after heat Grade S 3.5 (140) 3.8 (150)
conditioning, kN/m (lbf/in.), minimum 8.8 (50) 14 (80) Grade G 4.0 (160) 4.3 (170)
Elongation at 23 6 2°C (73.4 6 3.6°F)
Net mass per unit area, min.,
2 2
MD and XMD, before and after heat g/m (lbs/100 ft )
conditioning, at maximum load,
Grade S 3418† (70) 3905† (80)
% minimum 23 40 Grade G 4150
...

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