ASTM C957-05
(Specification)Standard Specification for High-Solids Content, Cold Liquid-Applied Elastomeric Waterproofing Membrane With Integral Wearing Surface
Standard Specification for High-Solids Content, Cold Liquid-Applied Elastomeric Waterproofing Membrane With Integral Wearing Surface
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1.1 This specification describes the required properties and test methods for a cold liquid-applied elastomeric membrane for waterproofing building decks not subject to hydrostatic pressure. The specification applies only to a membrane system that has an integral wearing surface. This specification does not include specific requirements for skid resistance or fire retardance, although both may be important in specific uses.
1.2 The type of membrane system described in this specification is used for pedestrian and vehicular traffic and in high-abrasion applications. The membrane may be single- or multi-component, and may consist of one or more coats (for example base coat, top coat, etc.). The coat(s) may be built to the desired thickness in one or more applications. One coat (base coat) provides the primary waterproofing function and normally comprises the major amount of organic material in the membrane. The function of the top coat(s) is to resist wear and weather. Aggregate may be used as a component of the membrane system, as all or part of a course, to increase wear and skid resistance.
1.3 The committee with jurisdiction over this standard is not aware of any comparable standards published by other organizations.
1.4 Test methods in this specification require a minimum 0.5-mm (0.020-in.) base coat dry film thickness. Actual thickness required for a particular application and the use of aggregate in topcoats shall be established by the membrane manufacturer.
1.5 The values stated in SI units are to be regarded as the standard. The values given in parentheses are provided for information purposes only.
1.6The following safety hazards caveat pertains only to the test method portion, Section 5, of this specification:This standard does not purport to address all of the safety problems, 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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Designation: C 957 – 05
Standard Specification for
High-Solids Content, Cold Liquid-Applied Elastomeric
1
Waterproofing Membrane With Integral Wearing Surface
This standard is issued under the fixed designation C 957; 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 of this standard to establish appropriate safety and health
practices and determine the applicability of regulatory limita-
1.1 This specification describes the required properties and
tions prior to use.
test methods for a cold liquid-applied elastomeric membrane
for waterproofing building decks not subject to hydrostatic
2. Referenced Documents
pressure. The specification applies only to a membrane system
2
2.1 ASTM Standards:
thathasanintegralwearingsurface.Thisspecificationdoesnot
C 501 Test Method for Relative Resistance to Wear of
include specific requirements for skid resistance or fire retar-
Unglazed Ceramic Tile by the Taber Abraser
dance, although both may be important in specific uses.
C 717 Terminology of Building Seals and Sealants
1.2 The type of membrane system described in this speci-
C 719 Test Method for Adhesion and Cohesion of Elasto-
fication is used for pedestrian and vehicular traffic and in
meric Joint Sealants Under Cyclic Movement (Hockman
high-abrasion applications. The membrane may be single- or
Cycle)
multi-component, and may consist of one or more coats (for
C 794 Test Method for Adhesion-in-Peel of Elastomeric
example base coat, top coat, etc.). The coat(s) may be built to
Joint Sealants
the desired thickness in one or more applications. One coat
C 836 Specification for High Solids Content, Cold Liquid-
(base coat) provides the primary waterproofing function and
Applied Elastomeric Waterproofing Membrane for Use
normally comprises the major amount of organic material in
with Separate Wearing Course
the membrane. The function of the top coat(s) is to resist wear
D 412 Test Methods for Vulcanized Rubber and Thermo-
and weather. Aggregate may be used as a component of the
plastic Rubbers and Thermoplastic Elastomers—Tension
membrane system, as all or part of a course, to increase wear
D 471 Test Method for Rubber Property—Effect of Liquids
and skid resistance.
D 609 Practice for Preparation of Cold-Rolled Steel Panels
1.3 Thecommitteewithjurisdictionoverthisstandardisnot
for Testing Paint, Varnish, Conversion Coatings, and
aware of any comparable standards published by other orga-
Related Coating Products
nizations.
D 822 Practice for Conducting Tests on Paint and Related
1.4 Test methods in this specification require a minimum
Coatings and Materials Using Filtered Open-Flame
0.5-mm (0.020-in.) base coat dry film thickness. Actual thick-
Carbon-Arc Exposure Apparatus
ness required for a particular application and the use of
D 1133 Test Method for Kauri-Butanol Value of Hydrocar-
aggregate in topcoats shall be established by the membrane
bon Solvents
manufacturer.
D 2370 Test Method for Tensile Properties of Organic
1.5 The values stated in SI units are to be regarded as the
Coatings
standard. The values given in parentheses are provided for
G 151 Practice for Exposing Nonmetallic Materials in Ac-
information purposes only.
celerated Test Devices that Use Laboratory Light Sources
1.6 The following safety hazards caveat pertains only to the
G 152 PracticeforOperatingOpenFlameCarbonArcLight
test method portion, Section 5, of this specification: This
Apparatus for Exposure of Nonmetallic Materials
standard does not purport to address all of the safety problems,
G 153 Practice for Operating Enclosed Carbon Arc Light
if any, associated with its use. It is the responsibility of the user
Apparatus for Exposure of Nonmetallic Materials
1
This specification is under the jurisdiction of ASTM Committee C24 on
2
Building Seals and Sealants and is the direct responsibility of Subcommittee C24.80 For referenced ASTM standards, visit the ASTM website, www.astm.org, or
on Building Deck Waterproofing Systems. contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
Current edition approved May 1, 2005. Published June 2005. Originally Standards volume information, refer to the standard’s Document Summary page on
approved in 1981. Last previous edition approved in 2004 as C 957 – 04. the ASTM website.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.
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C957–05
2.2 U.S. Department of Commerce Standard: 5.2.2 Follow the manufacturer’s instructions for all mixing
Product Standard PS-1, Construction a
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