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ASTM D1970-01

(Specification)

Standard Specification for Self-Adhering Polymer Modified Bituminous Sheet Materials Used as Steep Roofing Underlayment for Ice Dam Protection

Standard Specification for Self-Adhering Polymer Modified Bituminous Sheet Materials Used as Steep Roofing Underlayment for Ice Dam Protection

SCOPE
1.1 This specification covers polymer modified bituminous sheet materials intended for use as underlayment on roof eaves, or valleys, or both, to prevent leakage of shingle, tile, or metal roofs from water back-up due to ice dams.
1.2 These underlayment sheets have a sticky adhesive layer which is exposed by removal of a protective sheet. The top surface is suitable to work on during the application of the exposed roofing.
1.3 The values stated in SI units are to be regarded as standard.
1.4 The following safety hazards caveat pertains to the test methods portion, Section 7, of this standard. 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-Sep-2001
ICS
91.100.60 - Thermal and sound insulating materials
Technical Committee
D08 - Roofing and Waterproofing
Drafting Committee
D08.02 - Steep Roofing Products and Assemblies
Current Stage
Ref Project

Relations

Replaces
ASTM D1970-00 - Standard Specification for Self-Adhering Polymer Modified Bituminous Sheet Materials Used as Steep Roofing Underlayment for Ice Dam Protection
Effective Date
10-Sep-2001
Replaced By
ASTM D1970-08 - Standard Specification for Self-Adhering Polymer Modified Bituminous Sheet Materials Used as Steep Roofing Underlayment for Ice Dam Protection
Effective Date
01-May-2008

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ASTM D1970-01 - Standard Specification for Self-Adhering Polymer Modified Bituminous Sheet Materials Used as Steep Roofing Underlayment for Ice Dam ProtectionASTM D1970-01 - Standard Specification for Self-Adhering Polymer Modified Bituminous Sheet Materials Used as Steep Roofing Underlayment for Ice Dam Protection
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ASTM D1970-01 - Standard Specification for Self-Adhering Polymer Modified Bituminous Sheet Materials Used as Steep Roofing Underlayment for Ice Dam Protection
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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 1970 – 01
Standard Specification for
Self-Adhering Polymer Modified Bituminous Sheet Materials
Used as Steep Roofing Underlayment for Ice Dam
1
Protection
This standard is issued under the fixed designation D1970; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision.Anumber in parentheses indicates the year of last reapproval.A
superscript epsilon (e) indicates an editorial change since the last revision or reapproval.
2
1. Scope nous Roofing Membranes
D5147 Test Methods for Sampling and Testing Modified
1.1 This specification covers polymer modified bituminous
2
Bituminous Sheet Material
sheetmaterialsintendedforuseasunderlaymentonroofeaves,
E96 Test Methods for Water Vapor Transmission of Mate-
or valleys, or both, to prevent leakage of shingle, tile, or metal
5
rials
roofs from water back-up due to ice dams.
1.2 These underlayment sheets have a sticky adhesive layer
3. Terminology
which is exposed by removal of a protective sheet. The top
3.1 Definitions—For definitions of terms used in this speci-
surface is suitable to work on during the application of the
fication, refer to Terminology D1079.
exposed roofing.
3.2 Definitions of Terms Specific to This Standard:
1.3 The values stated in SI units are to be regarded as
3.2.1 lot—for the purpose of sampling, a lot shall consist of
standard.
all material manufactured in one production run (not to exceed
1.4 The following safety hazards caveat pertains to the test
24 h) using the same source of raw materials.
methods portion, Section 7, of this standard. This standard
does not purport to address all of the safety concerns, if any,
4. Workmanship, Finish, and Appearance
associated with its use. It is the responsibility of the user of this
4.1 The underlayment sheet shall be supplied in roll form.
standard to establish appropriate safety and health practices
4.2 The underlayment sheet shall be substantially uniform
and determine the applicability of regulatory limitations prior
in thickness and appearance. It shall be free of visible defects
to use.
such as holes, ragged or untrue edges, breaks, cracks, tears,
protuberances, and indentations, except for those perforations
2. Referenced Documents
or protuberances which are intentional.
2.1 ASTM Standards:
4.3 The surface of the underlayment sheet shall be designed
D228 Test Methods for Asphalt Roll Roofing, Cap Sheets,
2 to provide traction and slip resistance to the applicator.
and Shingles
D903 Test Method for Peel or Stripping Strength ofAdhe-
NOTE 1—The intent of 4.3 is to recognize that surface slipperiness is
3
sive Bonds important when working on a roof and, while no test method is specified
in this standard, several methods for assessing the relative slipperiness of
D1079 Terminology Relating to Roofing, Waterproofing,
2
surfaces are available. It is the further intent of this paragraph to ensure
and Bituminous Materials
that, whatever method is used, the friction coefficient or resistance to
D1204 Test Method for Linear Dimensional Changes of
slipping of the surface of these products should be at least as great as
Nonrigid Thermoplastic Sheeting or Film at Elevated
asphalt-saturated felt shingle underlayment tested under the same condi-
4
Temperature
tions of temperature and wetness as agreed between purchaser and seller.
D2523 PracticeforTestingLoad-StrainPropertiesofRoof-
4.4 Sheet sections shall be suitable for joining by the
2
ing Membranes
manufacturer’s recommended procedure. The entire lower
D4073 Test Method for Tensile-Tear Strength of Bitumi-
surface of the underlayment sheet shall be capable of being
fully adhered to the roof deck.
5. Physical Requirements
1
This specification is under the jurisdiction of ASTM Committee D08 on
Roofing,Waterproofing,andBituminousMaterialsandisthedirectresponsibilityof
5.1 The underlayment sheet shall conform to the physical
Subcommittee D08.02 on Prepared Roofings, Shingles, and Siding Materials.
requirements prescribed in Table 1.
Current edition approved Sept. 10, 2001. Published November 2001. Originally
published as D1970–90. Last previous edition D1970–00.
2
Annual Book of ASTM Standards, Vol 04.04.
3
Annual Book of ASTM Standards, Vol 15.06.
4 5
Annual Book of ASTM Standards, Vol 08.01. Annual Book of ASTM Standards, Vol 04.06.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.
1

---------------------- Page: 1 ----------------------
D 1970
TABLE 1 Physical Requirements of Self-Adhering Polymer
7.3.2.1 Condition each specimen at least2hat23 6 2°C
Modified Bituminous Sheet Materials Used as Steep Roofing
(73.4 6 3.6°F).
Underlayment for Ice Dam Protection
7.3.2.2 Use a constant rate of elongation (CRE) tension
Property SI Inch-Pound
testing machi
...

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1.1 These test methods cover laboratory procedures for the determination of water-leachable chloride, fluoride, silicate, and sodium ions in thermal insulation materials in the parts per million range.  
1.2 Selection of one of the test methods listed for each of the ionic determinations required shall be made on the basis of laboratory capability and availability of the required equipment and appropriateness to the concentration of the ion and any possible ion interferences in the extraction solution.  
1.3 The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard.  
1.4 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, health, and environmental practices and determine the applicability of regulatory limitations prior to use.  
1.5 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

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