ASTM D6222/D6222M-11

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Designation:D6222/D6222M −11
StandardSpecification for
Atactic Polypropylene (APP) Modified Bituminous Sheet
1
Materials Using Polyester Reinforcements
This standard is issued under the fixed designation D6222/D6222M; 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.
1. Scope of this standard to establish appropriate safety and health
practices and determine the applicability of regulatory limita-
1.1 This specification covers prefabricated modified bitumi-
tions prior to use.
nous sheet materials reinforced with polyester fabric, with or
without granules, that use atactic polypropylene (APP) as the
2. Referenced Documents
primary modifier and are intended for use in the fabrication of
2
2.1 ASTM Standards:
multiple ply roofing and waterproofing membranes.
D1079 Terminology Relating to Roofing and Waterproofing
NOTE1—Manymodifiedbituminoussheetsarecurrentlymarketedwith
D5147 Test Methods for Sampling and Testing Modified
polyester mat reinforced with glass yarns to improve processing in the
Bituminous Sheet Material
manufacture of the finished modified bitumen product and to reduce
D5636 Test Method for Low Temperature Unrolling of Felt
distortions that may be introduced during production. These glass yarns
are typically a small percentage of the reinforcement and do not contribute
or Sheet Roofing and Waterproofing Materials
to the physical properties of the finished product so much as to make these
D6223 Specification forAtactic Polypropylene (APP) Modi-
products be classified by Specification D6223.
fied Bituminous Sheet Materials Using a Combination of
1.2 This specification is intended as a material specification Polyester and Glass Fiber Reinforcements
only. Issues regarding the suitability of specific roof construc-
3. Terminology
tions or application techniques are beyond the scope of this
specification.
3.1 Definitions:
3.1.1 Fordefinitionsoftermsusedinthisspecification,refer
1.3 The specified tests and property limits used to charac-
to Terminology D1079.
terize the sheet materials covered by this specification are
intended to establish minimum properties. In-place roof system
4. Classification
design criteria such as fire resistance, field strength, impact/
4.1 Type I and II modified bituminous sheet materials
puncture resistance, material compatibility, uplift resistance,
reinforced with polyester fabric, are covered by this specifica-
the need for field applied coatings, and others, are factors
tion (see Table 1).
beyond the scope of this material specification.
4.2 The following grades are used to describe the material
1.4 The values stated in either SI units or inch-pound units
surfacing:
are to be regarded separately as standard. The values stated in
4.2.1 Grade G—Granule surfacing.
each system may not be exact equivalents; therefore, each
4.2.2 Grade S—Smooth surfacing.
system shall be used independently of the other. Combining
values from the two systems may result in non-conformance
5. Materials and Manufacture
with the standard.
5.1 In the process of manufacture, the reinforcement is
1.5 The following precautionary statement pertains only to
saturated with APP modified asphalt and is impregnated and
the test method portion, Section 9, of this specification:This
coated on both sides with anAPPmodified bituminous coating.
standard does not purport to address all of the safety concerns,
TheAPP modified bituminous coating shall be permitted to be
if any, associated with its use. It is the responsibility of the user
compounded with a mineral stabilizer.
5.2 Grade G materials are surfaced on the weather side with
mineralgranules,exceptforanyselvage.Topreventstickingin
1
This specification is under the jurisdiction of ASTM Committee D08 on
Roofing and Waterproofing and is the direct responsibility of Subcommittee D08.04
2
on Felts, Fabrics and Bituminous Sheet Materials. For referenced ASTM standards, visit the ASTM website, www.astm.org, or
Current edition approved Jan. 1, 2011. Published January 2011. Originally contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
approved in 1998. Last previous edition approved in 2008 as D6222 – 08. DOI: Standards volume information, refer to the standard’s Document Summary page on
10.1520/D6222_D6222M-11. the ASTM website.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
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D6222/D6222M−11
TABLE 1 Physical Properties of APP Modified Bituminous Sheet
7.1.2 The area of the roll shall be no less than as agreed
A
Materials Using Polyester Reinforcements
...