ASTM C1670-13
(Specification)Standard Specification for Adhered Manufactured Stone Masonry Veneer (AMSMV) Units
Standard Specification for Adhered Manufactured Stone Masonry Veneer (AMSMV) Units
ABSTRACT
This specification establishes the minimum product requirements for adhered manufactured stone masonry veneer (AMSMV) units which are manufactured from cementitious materials, aggregates, air-entraining admixtures, concrete admixtures, coloring pigments, reinforcement fibers, and other components which are wet-cast into shapes simulating the appearance of stone, rocks found in nature, and other textures. It also addresses sampling, physical properties and testing, finish and appearance, product identification and packaging, and reporting.
SCOPE
1.1 This specification covers the minimum product requirements for adhered manufactured stone masonry veneer (AMSMV) units applied as an adhered veneer to exterior and interior walls and structures suitable to receive AMSMV units.
1.2 The property requirements of this specification apply at the time of delivery. This standard does not address the physical evaluation of installed AMSMV units removed from service.
1.3 The AMSMV units described by this specification are manufactured from a mixture of cement, normal or lightweight aggregates (or a combination of both), water, admixtures, other cementitious materials and other components which are wet-cast into shapes simulating the appearance of natural stone and other textures.
1.4 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.
1.5 The text of this specification references notes and footnotes which provide explanatory material. These notes and footnotes shall not be considered as requirements of the standard.
1.6 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 of AMSMV units.
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Designation:C1670 −13
StandardSpecification for
Adhered Manufactured Stone Masonry Veneer (AMSMV)
Units
This standard is issued under the fixed designation C1670; 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 (´) indicates an editorial change since the last revision or reapproval.
INTRODUCTION
The purpose of this standard is to establish the minimum product specifications for adhered
manufactured stone masonry veneer units. These units are manufactured using a wet cast concrete
mixture and finished to simulate stone, rocks found in nature, and other textures.
1. Scope 2. Referenced Documents
1.1 This specification covers the minimum product require-
2.1 ASTM Standards:
ments for adhered manufactured stone masonry veneer
C31/C31MPractice for Making and Curing Concrete Test
(AMSMV) units applied as an adhered veneer to exterior and
Specimens in the Field
interior walls and structures suitable to receiveAMSMVunits.
C33Specification for Concrete Aggregates
C39/C39MTest Method for Compressive Strength of Cylin-
1.2 The property requirements of this specification apply at
drical Concrete Specimens
the time of delivery. This standard does not address the
C140Test Methods for Sampling and Testing Concrete
physical evaluation of installed AMSMV units removed from
Masonry Units and Related Units
service.
C150Specification for Portland Cement
1.3 The AMSMV units described by this specification are
C192/C192MPractice for Making and Curing ConcreteTest
manufacturedfromamixtureofcement,normalorlightweight
Specimens in the Laboratory
aggregates(oracombinationofboth),water,admixtures,other
C207Specification for Hydrated Lime for Masonry Pur-
cementitious materials and other components which are wet-
poses
cast into shapes simulating the appearance of natural stone and
C260Specification for Air-Entraining Admixtures for Con-
other textures.
crete
1.4 The values stated in inch-pound units are to be regarded
C330Specification for Lightweight Aggregates for Struc-
as standard. The values given in parentheses are mathematical
tural Concrete
conversions to SI units that are provided for information only
C331Specification for LightweightAggregates for Concrete
and are not considered standard.
Masonry Units
C426Test Method for Linear Drying Shrinkage of Concrete
1.5 The text of this specification references notes and
Masonry Units
footnotes which provide explanatory material.These notes and
C482Test Method for Bond Strength of Ceramic Tile to
footnotes shall not be considered as requirements of the
Portland Cement Paste
standard.
C494/C494MSpecification for Chemical Admixtures for
1.6 This standard does not purport to address all of the
Concrete
safety concerns, if any, associated with its use. It is the
C595Specification for Blended Hydraulic Cements
responsibility of the user of this standard to establish appro-
C618Specification for Coal Fly Ash and Raw or Calcined
priate safety and health practices and determine the applica-
Natural Pozzolan for Use in Concrete
bility of regulatory limitations prior to use of AMSMV units.
C666/C666MTest Method for Resistance of Concrete to
Rapid Freezing and Thawing
C979SpecificationforPigmentsforIntegrallyColoredCon-
This test method is under the jurisdiction of ASTM Committee C15 on
crete
Manufactured Masonry Units and is the direct responsibility of Subcommittee
C989SpecificationforSlagCementforUseinConcreteand
C15.03 on Concrete Masonry Units and Related Units.
Mortars
Current edition approved June 15, 2013. Published August 2013. DOI: 10.1520/
C1670–13 C1116/C1116MSpecification for Fiber-Reinforced Concrete
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
C1670−13
C1157Performance Specification for Hydraulic Cement 5. Sampling
C1232Terminology of Masonry
5.1 Concrete Mix for AMSMV Units—From each manufac-
C1240Specification for Silica Fume Used in Cementitious
turing location, obtain representative samples from standard
Mixtures
production of each concrete mix used for AMSMV units in
accordance with 5.2.
3. Terminology
5.1.1 Sample and test the concrete mixes used forAMSMV
units no more than twelve months prior to production of units.
3.1 Terminology defined in Terminology C1232 shall apply
More frequent testing shall be required if there is any change
for this specification.
in the manufacturing process including changes in cementi-
3.2 Definitions of Terms Specific to This Standard:
tious materials or their sources, aggregates or their sources,
3.2.1 adhered manufactured stone masonry veneer
volume of water, mix design, manufacturing process or curing.
(AMSMV) unit, n—a non-load bearing masonry unit that is
This does not include producing units of varying shapes,
produced by wet-cast blending of cementitious material, light-
configurations or sizes of units.
weight and other aggregates, pigments and admixtures, de-
5.2 Sample the concrete mix at the manufacturing facility
signed to be applied with a cementitious mortar to a backing
from standard production mix in accordance with Practice
surface.
C31/C31M; with the following exceptions:
3.2.2 AMSMV Unit Profile, n—thecombinationofAMSMV
5.2.1 For compressive strength testing prepare five 4 in.
units that represent the range of shapes and sizes provided in
diameterby8in.(100mmby200mm)cylindersinaccordance
the specified veneer.
withPracticeC192/C192Mandtestinaccordancewith6.1.Do
not disturb the curing cylinders for a minimum of 48 hours
3.2.3 average thickness, n—the mean of the depth measure-
after casting. De-mold them at an age of seven days.
ment of the unit as measured from the back side to the face
5.2.2 Forfreeze/thawdurabilitytesting,preparefive3in.by
side.
3 in. by 11 in. beams in accordance with Section 7 of Practice
3.2.4 designated area, n—the area of a completed wall
C192/C192M.
section that is used to verify compliance.
5.2.2.1 The molded beams shall be de-molded 24-32 hours
3.2.5 saturated density, n—thewatersaturatedweightofthe
after casting.
cured specimen divided by the volume of the specimen.
5.2.2.2 The molded beams shall be air cured for 28 days.
3.2.6 wet cast, adj—manufacturedfromameasurableslump 5.3 AMSMV Units—From each manufacturing location, ob-
concrete.
tainaminimumofeight(8)samplestotalingatleast5ft (0.46
m ) of AMSMV units that are representative of the AMSMV
4. Materials unit profile from which they are selected, using the same
cementitious materials, aggregates, mix design, manufacturing
4.1 Cementitious materials shall conform to the following
process and curing.
applicable specifications:
5.3.1 Sampling and testing should be performed at least
4.1.1 Portland Cement—Specification C150.
annually to meet the requirements of this standard.
4.1.2 Blended Hydraulic Cements—Specification C595.
4.1.3 Pozzolans—Specification C618.
6. Physical Properties and Testing Requirements of
4.1.4 Slag Cement—Specification C989. AMSMV Unit Concrete Mix
4.1.5 Hydraulic Cement—Specification C1157.
6.1 Compressive Strength:
4.1.6 Silica Fume—Specification C1240. 6.1.1 Test specimens at an age of 28 days in accordance
with Test Method C39/C39M.
4.1.7 Hydrated Lime—Specification C207.
6.1.1.1 The average compressive strength of five specimens
4.2 Aggregates—Aggregates shall conform to the following
shall be a minimum of 2100 psi (15 MPa) with no individual
specifications:
specimen having a measured compressive strength less than
4.2.1 Normal Weight Aggregates—Specification C33.
1800 psi (12 MPa).
4.2.2 LightweightAggregates—SpecificationC330orC331.
6.2 Resistance to Freezing and Thawing:
4.3 Air-Entraining Admixtures—Specification C260.
6.2.1 No single specimen in a group of five specimens shall
exhibit a mass loss greater than 1.5 % or show any fracture
4.4 Concrete Admixtures—Specification C494/C494M.
completelythroughthecrosssectionwhentestedinaccordance
4.5 Coloring Pigments—Specification C979.
withTestMethodC666/C666M,ProcedureA,withthefollow-
ing modifications:
4.6 Reinforcement Fibers—Specification C1116/C1116M.
6.2.1.1 The molded beams are subjected to 50 consecutive
4.7 Other Constituents:
cycles of freezing and thawing.
4.7.1 Other constituent materials shall be shown by test of 6.2.2 Determine mass loss in accordance with the following
experience or history of performance under equivalent condi- procedure:
tions not to be detrimental to the durability of the AMSMV 6.2.2.1 Following immersion in water for a period of 48
unit, or AMSMV construction, or both. hours, the initial specimen mass shall be measured. Excess
C1670−13
surface water shall be immediately removed by blotting with outer edges of the sample unit across its length. The steel bar
damp cloth or fabric towel prior to mass measurement; shall be placed adjacent and parallel to the sample mortar
6.2.2.2 Following the completion of 50 freeze thaw cycles interface.
in accordance with Test Method C666/C666M—Procedure A,
7.2.1.5 Evaluate shear bond results of actual bonding sur-
thespecimensshallberemovedfromthecontainersandexcess
face of AMSMV unit as manufactured. If the back surface of
surface water shall be removed by blotting with damp cloth or
the AMSMV unit used for testing has a directional back
fabric towel;
pattern, this back pattern shall be parallel to the direction of
6.2.2.3 The Percent Mass Loss (PWL) for each specimen
loading.
shall be determined at 50 cycles and be calculated as follows:
7.3 Absorption:
PWL ~beam!,% 5 @ ~M 2 M !⁄M # 3100
0 1 0
7.3.1 At a minimum age of 28 days after manufacture,
average absorption of three units shall be tested in accordance
where:
with Test Methods C140. For the purposes of consistency, the
PWL (beam) = percent mass loss of beam
results for any one unit shall not vary by more than 10 % from
M = initial mass of beam following 48 hour
theaveragefo
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