Standard Specification for Styrene Butadiene Styrene (SBS) 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, which use styrene butadiene styrene (SBS) thermoplastic elastomer 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 the specific roof constructions or application techniques are beyond this scope.
1.3 The specified tests and property limits used to characterize the sheet materials 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, 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 values given in parentheses are for information only.

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ASTM D6164-00 - Standard Specification for Styrene Butadiene Styrene (SBS) Modified Bituminous Sheet Materials Using Polyester Reinforcements
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NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.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 6164 – 00
Standard Specification for
Styrene Butadiene Styrene (SBS) Modified Bituminous
Sheet Materials Using Polyester Reinforcements
This standard is issued under the fixed designation D 6164; 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. Scope 4. Classification
1.1 This specification covers prefabricated modified bitumi- 4.1 Modified bituminous sheet materials reinforced with
nous sheet materials reinforced with polyester fabric, with or polyester fabric, Type I and Type II, are covered by this
without granules, which use styrene butadiene styrene (SBS) specification.
thermoplastic elastomer as the primary modifier and are 4.2 The following grades are used to describe the material
intended for use in the fabrication of multiple ply roofing and surfacing:
waterproofing membranes. 4.2.1 Grade G —Granule Surfaced.
1.2 This specification is intended as a material specification 4.2.2 Grade S—Smooth Surfaced.
only. Issues regarding the suitability of the specific roof
5. Material and Manufacture
constructions or application techniques are beyond this scope.
5.1 In the process of manufacture, the reinforcement is
1.3 The specified tests and property limits used to charac-
terize the sheet materials are intended to establish minimum saturated with asphalt or modified asphalt and is impregnated
and coated on both sides with an SBS modified bituminous
properties. In-place roof system design criteria, such as fire
resistance, field strength, impact/puncture resistance, material coating. The SBS modified bituminous coating shall be per-
mitted to be compounded with a mineral stabilizer.
compatibility, uplift resistance, and others, are factors beyond
the scope of this material specification. 5.2 The Grade G sheet is surfaced on the weather side with
mineral granules, except for any selvage.To prevent sticking in
1.4 The values stated in SI units are to be regarded as the
standard. The values given in parentheses are for information the roll, the reverse side and any selvage shall be permitted to
be covered with a fine mineral surfacing or any other surfacing
only.
that will not interfere with adhesion or bonding of the lap
2. Referenced Documents
during application.
2.1 ASTM Standards: 5.3 Sheet material intended for application by heat welding
D 1079 Terminology Relating to Roofing, Waterproofing, (torching) shall meet the minimum bottom coating requirement
and Bituminous Materials found in Table 1.
D 5147 Test Methods for Sampling and Testing Modified
2 6. Physical Properties
Bituminous Sheet Material
6.1 The sheet shall conform to the minimum physical
3. Terminology
properties prescribed in Table 2.
3.1 Definitions— For definitions of terms used in this 6.2 The finished product shall not crack nor be so sticky as
specification, refer to Terminology D 1079: to cause tearing or other material damage upon being unrolled
3.1.1 elongation at 5 % of maximum load, n—the elonga- at any product temperature between 4 and 60°C (40 and
tion measured on the load-elongation curve at which point the 140°F).
load has dropped to 5 % of its maximum value.
7. Dimensions, Mass, and Permissible Variations
7.1 The finished product shall conform to the following
dimensions and variations:
This specification is under the jurisdiction of ASTM Committee D08 on
Roofing,Waterproofing, and Bituminous Materials and is the direct responsibility of
7.1.1 The width of the roll shall be as agreed between the
Subcommittee D08.04 on Felts and Fabrics.
purchaser and the seller and shall not vary more than 1 %.
Current edition approved July 10, 2000. Published September 2000. Originally
7.1.2 The area of the roll shall be no less than as agreed
published as D 6164–97. Last previous edition D 6164–98.
Annual Book of ASTM Standards, Vol 04.04. between the purchaser and the seller.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.
D 6164
TABLE 1 Dimensions and Masses of SBS Modified Bituminous
8. Workmanship, Finish, and Appearance
Sheet Materials Using Polyester Reinforcements
8.1 The finished product shall be coated completely in a
Description Type I Type II
continuous, unbroken film and shall be free of such defects as
Thickness, min, mm (mils),
holes, tears, cracks, wrinkles, or permanent deformations,
Grade S 2.2 (85) 2.9 (115)
blisters, ragged or untrue edges, and areas of uncoated rein-
Grade G 3.3 (130) 3.3 (130)
forcement.
2 2
Net mass/unit area, min, g/m (lbs/100 ft )
8.2 The surface of the weather side shall be uniform in
Grade S 2636 (54) 3417 (70)
finish and texture.
Grade G 3661 (75) 4394 (90)
8.3 For Grade G material, the mineral granules shall be
Bottom coating thickness, heat welding
distributed uniformly over the entire surface in an even layer
application products, min, mm (mils)
exclu
...

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