ASTM C11-02a

Standard Terminology Relating to Gypsum and Related Building Materials and Systems

SCOPE
1.1 This standard contains terminology relating to gypsum and related building materials and systems. The terms are generically defined. More specific and expanded definitions may appear in appropriate standards.

General Information

• Status: Historical
• Publication Date: 09-Jun-2002
• ICS: 01.040.91 - Construction materials and building (Vocabularies)
• ICS: 91.100.10 - Cement. Gypsum. Lime. Mortar
• Technical Committee: C11 - Gypsum and Related Building Materials and Systems
• Drafting Committee: C11.91 - Terminology and Editorial

Relations

• Replaces: ASTM C11-02 - Standard Terminology Relating to Gypsum and Related Building Materials and Systems
• Effective Date: 10-Jun-2002
• Replaced By: ASTM C11-03a - Standard Terminology Relating to Gypsum and Related Building Materials and Systems
• Effective Date: 10-Mar-2003
• Referred By: ASTM C1881-20 - Standard Guide for Closed-Loop Recycling of Scrap Gypsum Panel Products
• Effective Date: 10-Jun-2002
• Referred By: ASTM C1355/C1355M-96(2020) - Standard Specification for Glass Fiber Reinforced Gypsum Composites
• Effective Date: 10-Jun-2002
• Referred By: ASTM C754-20 - Standard Specification for Installation of Steel Framing Members to Receive Screw-Attached Gypsum Panel Products
• Effective Date: 10-Jun-2002
• Referred By: ASTM C1396/C1396M-17 - Standard Specification for Gypsum Board
• Effective Date: 10-Jun-2002
• Referred By: ASTM C933-18 - Standard Specification for Welded Wire Lath
• Effective Date: 10-Jun-2002
• Referred By: ASTM C843-23 - Standard Specification for Application of Gypsum Veneer Plaster
• Effective Date: 10-Jun-2002
• Referred By: ASTM C954-22 - Standard Specification for Steel Drill Screws for the Application of Gypsum Panel Products or Metal Plaster Bases to Steel Studs from 0.033 in. (0.84 mm) to 0.112 in. (2.84 mm) in Thickness
• Effective Date: 10-Jun-2002
• Referred By: ASTM C471M-20ae1 - Standard Test Methods for Chemical Analysis of Gypsum and Gypsum Products (Metric)
• Effective Date: 10-Jun-2002
• Referred By: ASTM C1860-23ce1 - Standard Test Methods for Measurement of Tensile Strength or Bond Strength of Portland Cement-Based Plaster by Direct Tension
• Effective Date: 10-Jun-2002
• Referred By: ASTM C35-01(2019) - Standard Specification for Inorganic Aggregates for Use in Gypsum Plaster
• Effective Date: 10-Jun-2002
• Referred By: ASTM C844-15(2021) - Standard Specification for Application of Gypsum Base to Receive<brk/> Gypsum Veneer Plaster
• Effective Date: 10-Jun-2002
• Referred By: ASTM C22/C22M-00(2021) - Standard Specification for Gypsum
• Effective Date: 10-Jun-2002
• Referred By: ASTM C897-15(2020) - Standard Specification for Aggregate for Job-Mixed Portland Cement-Based Plasters
• Effective Date: 10-Jun-2002

Standards Content (Sample)

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.
Designation: C 11 – 02a
Standard Terminology Relating to
1
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-
5
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
4
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-
6
2. Referenced Documents
peratures)
2.1 ASTM Standards:
3. Terminology
2
C 22/C 22M Standard Specification for Gypsum
2
C 28/C 28M Specification for Gypsum Plasters accelerator, n—a material that will shorten the setting time of
C 35 Specification for Inorganic Aggregates for Use in gypsum plasters.
2
Gypsum Plaster accessories, n—products fabricated for the purpose of forming
2
C 36 Specification for Gypsum Wallboard corners, edges, control joints, or decorative effects.
2
C 37 Specification for Gypsum Lath adhesive, n—a substance capable of holding materials together
3
C 52 Specification for Gypsum Partition Tile or Block by surface attachment.
C 59 Specification for Gypsum Casting and Molding Plas- admixture, n—a material other than water, aggregate, or
2
ter inorganic cementitious material that is used as an ingredient
2
C 61 Specification for Gypsum Keene’s Cement in gypsum plaster or cement plaster and is added to the batch
C 79 Specification for Treated Core and Nontreated Core immediately before or during job mixing.
2
Gypsum Sheathing Board aggregate, n—an inert granular material which may be added
2
C 317 Specification for Gypsum Concrete to gypsum plasters. (C 35)
3
C 318 Specification for Gypsum Formboard all purpose compound, n—a compound formulated and
C 472 Test Methods for Physical Testing of Gypsum, Gyp- manufactured to serve as a taping or finishing compound, or
2
sum Plasters and Gypsum Concrete both.
C 473 Test Methods for Physical Testing of Gypsum Panel anhydrite, n—the mineral consisting primarily of anhydrous
2
Products calcium sulfate, CaSO .
4
C 475 Specification for Joint Compound and Joint Tape for arris (of an arch), n—the outside corner or angle formed by
2
Finishing Gypsum Board the meeting of a wall surface with the curved surface of an
C 557 Specification for Adhesives for Fastening Gypsum arch (see Fig. 1).
2
Wallboard to Wood Framing base coat, n—the first layer or layers of plaster applied over a
2
C 587 Specification for Gypsum Veneer Plaster lath or other substrate. The first application is normally
2
C 588 Specification for Gypsum Base for Veneer Plasters called a scratch coat and the second application is referred to
E 84 Test Method for Surface Burning Characteristics of as a brown coat.
4
Building Materials base coat floating, n—the finishing act of spreading, compact-
ing, and smoothing of the base coat plaster to a reasonably
true plane.
bedding coat, n—that coat of plaster to receive aggregate or
1
This terminology is under the jurisdiction of ASTM Committee C11 on
other decorative material of any size, impinged or embedded
Gypsum and Related Building Materials and Systems and is the direct responsibility
into its surface, before it sets.
of Subcommittee C11.91 on Terminology and Editorial.
bond plaster, n—a calcined gypsum plaster specially formu-
Current edition approved June 10, 2002. Published July 2002. Originally
published as C 11 – 16 T. Last previous edition C 11 – 02.
lated for application over rough monolithic concrete as a
2
Annual Book of ASTM Standards, Vol 04.01.
3
Discontinued: See 1982 Annual Book of ASTM Standards, Vol 04.01.
4
Annual Book of ASTM Standards, Vol 04.07.
5
Annual Book of ASTM Standards, Vol 04.06.
6
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
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
...