ASTM C11-03c

NOTICE: This standard has either been superceded and replaced by a new version or discontinued.
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Designation: C 11 – 03c
Standard Terminology Relating to
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Gypsum and Related Building Materials and Systems
This standard is issued under the fixed designation C 11; 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 E 96 Test Methods for Water Vapor Transmission of Mate-
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rials
1.1 This standard contains terminology relating to gypsum
E 119 Test Methods for Fire Tests of Building Construction
and related building materials and systems. The terms are
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and Materials
generically defined. More specific and expanded definitions
E 337 Test Method for Measuring Humidity With a Psy-
may appear in appropriate standards.
chrometer (The Measurement of Wet- and Dry-Bulb Tem-
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2. Referenced Documents peratures)
2.1 ASTM Standards:
3. Terminology
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C 22/C 22M Standard Specification for Gypsum
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C 28/C 28M Specification for Gypsum Plasters accelerator, n—a material that reduces setting time.
C 35 Specification for Inorganic Aggregates for Use in accessories, n—products fabricated for the purpose of forming
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Gypsum Plaster corners, edges, control joints, or decorative effects.
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C 36 Specification for Gypsum Wallboard adhesive, n—a substance capable of holding materials together
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C 37 Specification for Gypsum Lath by surface attachment.
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C 52 Specification for Gypsum Partition Tile or Block admixture, n—a material other than water, aggregates, hy-
C 59 Specification for Gypsum Casting and Molding Plas- draulic cementitious material, and fiber reinforcement that is
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ter used as an ingredient to modify properties and is added to the
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C 61 Specification for Gypsum Keene’s Cement batch before or during its mixture.
C 79 Specification for Treated Core and Nontreated Core aggregate, n—an inert granular material which may be added
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Gypsum Sheathing Board to gypsum plasters. (C 35)
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C 317 Specification for Gypsum Concrete all purpose compound, n—a compound formulated and
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C 318 Specification for Gypsum Formboard manufactured to serve as a taping or finishing compound, or
C 472 Test Methods for Physical Testing of Gypsum, Gyp- both.
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sum Plasters and Gypsum Concrete anhydrite, n—the mineral consisting primarily of anhydrous
C 473 Test Methods for Physical Testing of Gypsum Panel calcium sulfate, CaSO .
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Products arris (of an arch), n—the outside corner or angle formed by
C 475 Specification for Joint Compound and Joint Tape for the meeting of a wall surface with the curved surface of an
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Finishing Gypsum Board arch (see Fig. 1).
C 557 Specification for Adhesives for Fastening Gypsum basecoat, n—the first layer or layers of plaster applied over
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Wallboard to Wood Framing lath or other substrate.
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C 587 Specification for Gypsum Veneer Plaster
DISCUSSION—The first application is normally called a scratch coat
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C 588 Specification for Gypsum Base for Veneer Plasters
and the second application is referred to as a brown coat.
E 84 Test Method for Surface Burning Characteristics of
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bedding coat, n—that coat of plaster to receive aggregate or
Building Materials
other decorative material of any size, impinged or embedded
into its surface, before it sets.
bond plaster, n—a calcined gypsum plaster specially formu-
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This terminology is under the jurisdiction of ASTM Committee C11 on lated for application over rough monolithic concrete as a
Gypsum and Related Building Materials and Systems and is the direct responsibility
bonding coat for a subsequent gypsum plaster layer.
of Subcommittee C11.91 on Terminology and Editorial.
Current edition approved July 10, 2003. Published October 2003. Originally
approved in 1916. Last previous edition approved in 2003 as C 11 – 03b.
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Annual Book of ASTM Standards, Vol 04.01.
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Discontinued: See 1982 Annual Book of ASTM Standards, Vol 04.01. Annual Book of ASTM Standards, Vol 04.06.
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Annual Book of ASTM Standards, Vol 04.07. Annual Book of ASTM Standards, Vol 11.03.
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NOTICE: This standard has either been superceded and replaced by a new version or discontinued.
Contact ASTM International (www.astm.org) for the latest information.
C11–03c
cored tile or block, n—see gypsum tile or block. (C 52)
cornerbead, n—an accessory for outside corners.
corner reinforcement, exterior, n—a preformed section of
wire or expanded sheet steel, for the reinforcement of
exterior stucco external corners (arrises).
cure (portland cement plaster or stucco), v—(1) to provide
conditions conducive to the hydration process of portlan
...