ASTM D8463/D8463M-23

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.
Designation: D8463/D8463M − 23
Standard Specification for
High Solids Content, Cold Liquid-Applied Elastomeric, Silyl-
Terminated Polymer Based Waterproofing Membrane for
Use with Separate Wearing Course
This standard is issued under the fixed designation D8463/D8463M; 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 2. Referenced Documents
2.1 ASTM Standards:
1.1 This specification describes the required properties and
C794 Test Method for Adhesion-in-Peel of Elastomeric Joint
test methods for a one or two-component, cold liquid-applied
Sealants
elastomeric-type membrane comprised of silyl-terminated
C836/C836M Specification for High Solids Content, Cold
polyether polymer, silyl-terminated polyurethane polymer, or a
Liquid-Applied Elastomeric Waterproofing Membrane for
blend of the two polymers for waterproofing building decks
Use with Separate Wearing Course
and walls subjected to hydrostatic pressure in building areas to
C898/C898M Guide for Use of High Solids Content, Cold
be occupied by personnel, vehicles, or equipment. This speci-
Liquid-Applied Elastomeric Waterproofing Membrane
fication applies only to a membrane system that will be covered
with Separate Wearing Course
with a separate wearing course, traffic course, or backfill.
C1305/C1305M Test Method for Crack Bridging Ability of
NOTE 1—See Guides C898/C898M and C1471/C1471M for proper
Liquid-Applied Waterproofing Membrane
application of membrane.
C1375 Guide for Substrates Used in Testing Building Seals
and Sealants
1.2 The values stated in either SI units or inch-pound units
C1471/C1471M Guide for the Use of High Solids Content
are to be regarded separately as standard. The values stated in
Cold Liquid-Applied Elastomeric Waterproofing Mem-
each system may not be exact equivalents; therefore, each
brane on Vertical Surfaces
system shall be used independently of the other. Combining
C1522 Test Method for Extensibility After Heat Aging of
values from the two systems may result in nonconformance
Cold Liquid-Applied Elastomeric Waterproofing Mem-
with the standard.
branes
1.3 This standard does not purport to address all of the
D522/D522M Test Methods for Mandrel Bend Test of At-
safety concerns, if any, associated with its use. It is the
tached Organic Coatings
responsibility of the user of this standard to establish appro-
D1079 Terminology Relating to Roofing and Waterproofing
priate safety, health, and environmental practices and deter-
D2240 Test Method for Rubber Property—Durometer Hard-
mine the applicability of regulatory limitations prior to use.
ness
1.4 This international standard was developed in accor-
D2939 Test Methods for Emulsified Bitumens Used as
dance with internationally recognized principles on standard-
Protective Coatings (Withdrawn 2012)
ization established in the Decision on Principles for the
D5385/D5385M Test Method for Hydrostatic Pressure Re-
Development of International Standards, Guides and Recom-
sistance of Waterproofing Membranes
mendations issued by the World Trade Organization Technical
D6511/D6511M Test Methods for Solvent Bearing Bitumi-
Barriers to Trade (TBT) Committee.
nous Compounds
For referenced ASTM standards, visit the ASTM website, www.astm.org, or
This specification is under the jurisdiction of ASTM Committee D08 on contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
Roofing and Waterproofing and is the direct responsibility of Subcommittee D08.22 Standards volume information, refer to the standard’s Document Summary page on
on Waterproofing and Dampproofing Systems. the ASTM website.
Current edition approved Oct. 1, 2023. Published November 2023. DOI: The last approved version of this historical standard is referenced on
10.1520/D8463_D8463M-23. www.astm.org.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
D8463/D8463M − 23
E96/E96M Test Methods for Gravimetric Determination of 5.2 A Type II, two-component waterproofing material shall
Water Vapor Transmission Rate of Materials consist of a dispersion containing a silyl-terminated polymer as
E154/E154M Test Methods for Water Vapor Retarders Used the principal polymer to which various pigments and other
in Contact with Earth Under Concrete Slabs, on Walls, or additives have been added to give the required physical
as Ground Cover properties. Upon mixing, it shall be of a consistency which
allows for application to a substrate by means of brush, roller,
3. Terminology squeegee, or spray.
3.1 Definitions—Refer to Terminology D1079 for defini-
6. Physical Properties
tions of the terms used in this specification.
6.1 Material—Membrane materials shall cure after applica-
tion by spreading or spraying to form an elastomeric film
4. Classification
capable of maintaining a seal against liquid water.
4.1 Types:
6.2 While the product may be field installed with reinforc-
4.1.1 Type I—A one-component, cold liquid-applied water-
ing fabric, the tests in this standard are only performed on the
proofing membrane suitable for immediate application after
liquid-applied material.
mixing. Type I products may be used with an accelerator that
can expedite the cure, but is not essential for curing of the
6.3 The physical properties of the membrane shall conform
membrane.
to the requirements described in Table 1. Where there is not a
4.1.2 Type II—A two-component, cold liquid-applied water-
minimum or maximum requirement, the physical property
proofing membrane. Combining two components is essential
shall be reported.
for curing of the membrane.
7. Sampling
5. Materials and Manufacture
7.1 Sampling shall be performed in accordance with the
Sampling section of Test Methods D6511/D6511M.
5.1 A Type I, single-component waterproofing material shall
consist of a dispersion containing a silyl-terminated polymer as
8. Specimen Preparation
the principal polymer to which various pigments and other
8.1 Standard Laboratory Conditions—Standard conditions
additives have been added to give the required physical
for all tests, unless otherwise specified, shall be 23 °C 6 2 °C
properties. It shall be of a consistency which allows for
[73.4 °F 6 3.6 °F] and 50 6 5 % relative humidity.
application to a substrate by means of brush, roller, squeegee,
or spray.
TABLE 1 Physical Requirements of High Solids Content, Cold Liquid-Applied Elastomeric, Silyl-Terminated Polymer Based
Waterproofing Membrane Types I and II
Property Requirement Test Method
Hardness, Type 00, min 50 D2240 as modified in 9.2
Weight loss, max, % 5 D6511/D6511M as modified in 9.3
Low-temperature crack bridging No failure in any specimens C1305/C1305M
Film thickness (vertical surface), min, mm [in.] 1.5 ± 0.1 [0.060 ± 0.005] C836/C836M, paragraph 6.8
Adhesion-in-peel on mortar after water immersion, 13 [3] C794–06 as modified in 9.5
min, N [lbf]
Adhesion-in-peel on “green mortar” after water 13 [3] C794–06 as modified in 9.5.1
immersion, min, N [lbf]
Extensibility after heat aging No cracks, tears, or holes in any specimens C1522
Resistance to burial
Weight loss after burial Max 10 % weight loss E154/E154M, Section 13
Permeance after burial, max, ng/Pa·s·m [perms] 57.2 [1.0] Report film thickness E96/E96M Procedures A and BW as modified by E154/
E154M, Section 13
Resistance to water No blistering or reversion D2939
Cure-through at low temperature Pass See 9.10
Low-temperature flexibility No cracking D522/D522M
Permeance, max, ng/Pa·s·m [perms] 57.2 [1.0] Report film thickness E96/E96M Procedures A and BW
Stability, min, months 6 See 11.4
D8463/D8463M − 23
8.2 Conditioning/Mixing: 9.5.2 The cure conditions of the membrane material shall be
8.2.1 Store all membrane materials to be test
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