ASTM C11-01a

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-Feb-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 C11-01 - Standard Terminology Relating to Gypsum and Related Building Materials and Systems
• Effective Date: 10-Feb-2002
• Replaced By: ASTM C11-02 - Standard Terminology Relating to Gypsum and Related Building Materials and Systems
• Effective Date: 10-Feb-2002
• Referred By: ASTM C61/C61M-00(2020) - Standard Specification for Gypsum Keene's Cement
• Effective Date: 10-Feb-2002
• Referred By: ASTM E2266-22 - Standard Guide for Design and Construction of Low-Rise Frame Building Wall Systems to Resist Water Intrusion
• Effective Date: 10-Feb-2002
• Referred By: ASTM C1032-18 - Standard Specification for Woven Wire Plaster Base
• Effective Date: 10-Feb-2002
• Referred By: ASTM C754-20 - Standard Specification for Installation of Steel Framing Members to Receive Screw-Attached Gypsum Panel Products
• Effective Date: 10-Feb-2002
• Referred By: ASTM C472-20 - Standard Test Methods for Physical Testing of Gypsum, Gypsum Plasters, and Gypsum Concrete
• Effective Date: 10-Feb-2002
• Referred By: ASTM C59/C59M-00(2020) - Standard Specification for Gypsum Casting Plaster and Gypsum Molding Plaster
• Effective Date: 10-Feb-2002
• Referred By: ASTM C1858-17a(2021) - Standard Practice for Design, Construction, and Material Requirements for Direct Hung Suspended T-bar Type Ceiling Systems Intended to Receive Gypsum Panel Products in Areas Subject to Earthquake Ground Motions
• Effective Date: 10-Feb-2002
• Referred By: ASTM C1629/C1629M-23 - Standard Classification for Abuse-Resistant Nondecorated Interior Gypsum Panel Products and Fiber-Reinforced Cement Panels
• Effective Date: 10-Feb-2002
• Referred By: ASTM C1513-18 - Standard Specification for Steel Tapping Screws for Cold-Formed Steel Framing Connections
• Effective Date: 10-Feb-2002
• Referred By: ASTM C1381/C1381M-23 - Standard Specification for Molded Glass Fiber Reinforced Gypsum Parts
• Effective Date: 10-Feb-2002
• Referred By: ASTM C317/C317M-00(2019) - Standard Specification for Gypsum Concrete
• Effective Date: 10-Feb-2002
• Referred By: ASTM C22/C22M-00(2021) - Standard Specification for Gypsum
• Effective Date: 10-Feb-2002
• Referred By: ASTM C1355/C1355M-96(2020) - Standard Specification for Glass Fiber Reinforced Gypsum Composites
• Effective Date: 10-Feb-2002

Standards Content (Sample)

NOTICE: This standard has either been superseded and replaced by a new version or discontinued.
Contact ASTM International (www.astm.org) for the latest information.
Designation: C 11 – 01a
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 119 Test Methods for Fire Tests of Building Construction
4
and Materials
1.1 This standard contains terminology relating to gypsum
E 337 Test Method for Measuring Humidity With a Psy-
and related building materials and systems. The terms are
chrometer (The Measurement of Wet- and Dry-Bulb Tem-
generically defined. More specific and expanded definitions
6
peratures)
may appear in appropriate standards.
3. Terminology
2. Referenced Documents
2.1 ASTM Standards: accelerator, n—a material that will shorten the setting time of
2
C 22/C 22M Standard Specification for Gypsum gypsum plasters.
2
C 28 Specification for Gypsum Plasters accessories, n—products fabricated for the purpose of forming
C 35 Specification for Inorganic Aggregates for Use in corners, edges, control joints, or decorative effects.
2
Gypsum Plaster adhesive, n—a substance capable of holding materials together
2
C 36 Specification for Gypsum Wallboard by surface attachment.
2
C 37 Specification for Gypsum Lath admixture, n—a material other than water, aggregate, or
3
C 52 Specification for Gypsum Partition Tile or Block inorganic cementitious material that is used as an ingredient
C 59 Specification for Gypsum Casting and Molding Plas- in gypsum plaster or cement plaster and is added to the batch
2
ter immediately before or during job mixing.
2
C 61 Specification for Gypsum Keene’s Cement aggregate, n—an inert granular material which may be added
2
C 79 Specification for Gypsum Sheathing Board to gypsum plasters. (C 35)
2
C 317 Specification for Gypsum Concrete all purpose compound, n—a compound formulated and
3
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.
2
sum Plasters and Gypsum Concrete anhydrite, n—the mineral consisting primarily of anhydrous
C 473 Test Methods for Physical Testing of Gypsum Board calcium sulfate, CaSO .
4
2
Products and Gypsum Lath 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
2
Finishing Gypsum Board arch (see Fig. 1).
C 557 Specification for Adhesives for Fastening Gypsum base coat, n—the first layer or layers of plaster applied over a
2
Wallboard to Wood Framing lath or other substrate. The first application is normally
2
C 587 Specification for Gypsum Veneer Plaster called a scratch coat and the second application is referred to
2
C 588 Specification for Gypsum Base for Veneer Plasters as a brown coat.
E 84 Test Method for Surface Burning Characteristics of base coat floating, n—the finishing act of spreading, compact-
4
Building Materials ing, and smoothing of the base coat plaster to a reasonably
E 96 Test Methods for Water Vapor Transmission of Mate- true plane.
5
rials bedding coat, n—that coat of plaster to receive aggregate or
other decorative material of any size, impinged or embedded
into its surface, before it sets.
bond plaster, n—a calcined gypsum plaster specially formu-
1
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 are the direct responsi-
bility of Subcommittee C11.91 on Terminology and Editorial. bonding coat for a subsequent gypsum plaster layer.
Current edition approved Dec. 10, 2001. Published February 2002. Originally
(C 28)
published as C 11 – 16 T. Last previous edition C 11 – 01.
bridging, n—in framing, sections of wood or metal pieces
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 6
Annual Book of ASTM Standards, Vol 04.06. Annual Book of ASTM Standards, Vol 11.03.
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C11
cure (portland cement plaster or stucco), v—(1) to provide
conditions conducive to the hydration process of portland
cement plaster or stucco.
( 2) to maintain proper temperature and a sufficient quantity
of water within the plaster to ensure cement hydration.
dash-bond coat, n—a thick slurry of portland cement, sand,
and water, machine-sprayed or hand-dashed
...