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ASTM C11-05

(Terminology)

Standard Terminology Relating to Gypsum and Related Building Materials and Systems

Standard Terminology Relating to Gypsum and Related Building Materials and Systems

SCOPE
1.1 This standard covers 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
30-Apr-2005
ICS
01.040.91 - Construction materials and building (Vocabularies)
91.100.10 - Cement. Gypsum. Lime. Mortar
Technical Committee
C11 - Gypsum and Related Building Materials and Systems
Drafting Committee
C11.91 - Terminology and Editorial
Current Stage
Ref Project

Relations

Replaces
ASTM C11-04 - Standard Terminology Relating to Gypsum and Related Building Materials and Systems
Effective Date
01-May-2005
Replaced By
ASTM C11-06 - Standard Terminology Relating to Gypsum and Related Building Materials and Systems
Effective Date
01-Jul-2006
Referred By
ASTM C897-15(2020) - Standard Specification for Aggregate for Job-Mixed Portland Cement-Based Plasters
Effective Date
01-May-2005
Referred By
ASTM C1002-22 - Standard Specification for Steel Self-Piercing Tapping Screws for Application of Gypsum Panel Products or Metal Plaster Bases to Wood Studs or Steel Studs
Effective Date
01-May-2005
Referred By
ASTM C754-20 - Standard Specification for Installation of Steel Framing Members to Receive Screw-Attached Gypsum Panel Products
Effective Date
01-May-2005
Referred By
ASTM C1629/C1629M-23 - Standard Classification for Abuse-Resistant Nondecorated Interior Gypsum Panel Products and Fiber-Reinforced Cement Panels
Effective Date
01-May-2005
Referred By
ASTM C59/C59M-00(2020) - Standard Specification for Gypsum Casting Plaster and Gypsum Molding Plaster
Effective Date
01-May-2005
Referred By
ASTM C955-18e1 - Standard Specification for Cold-Formed Steel Structural Framing Members
Effective Date
01-May-2005
Referred By
ASTM C631-09(2020) - Standard Specification for Bonding Compounds for Interior Gypsum Plastering
Effective Date
01-May-2005
Referred By
ASTM C1516-05(2023) - Standard Practice for Application of Direct-Applied Exterior Finish Systems
Effective Date
01-May-2005
Referred By
ASTM C843-23 - Standard Specification for Application of Gypsum Veneer Plaster
Effective Date
01-May-2005
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
01-May-2005
Referred By
ASTM C841-23 - Standard Specification for Installation of Interior Lathing and Furring
Effective Date
01-May-2005
Referred By
ASTM C1177/C1177M-17 - Standard Specification for Glass Mat Gypsum Substrate for Use as Sheathing
Effective Date
01-May-2005
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
01-May-2005

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ASTM C11-05 - Standard Terminology Relating to Gypsum and Related Building Materials and SystemsASTM C11-05 - Standard Terminology Relating to Gypsum and Related Building Materials and Systems
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ASTM C11-05 - Standard Terminology Relating to Gypsum and Related Building Materials and Systems
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Standards Content (Sample)

NOTICE: This standard has either been superseded and replaced by a new version or withdrawn. Contact ASTM
International (www.astm.org) for the latest information.
Designation: C 11 – 05
Standard Terminology Relating to
1
Gypsum and Related Building Materials and Systems
ThisstandardisissuedunderthefixeddesignationC 11;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginal
adoption or, in the case of revision, the year of last revision.Anumber in parentheses indicates the year of last reapproval.Asuperscript
epsilon (e) indicates an editorial change since the last revision or reapproval.
1. Scope E84 Test Method for Surface Burning Characteristics of
Building Materials
1.1 This standard covers terminology relating to gypsum
E96 Test Methods for Water Vapor Transmission of Mate-
and related building materials and systems. The terms are
rials
generically defined. More specific and expanded definitions
E119 Test Methods for Fire Tests of Building Construction
may appear in appropriate standards.
and Materials
2. Referenced Documents
E 337 Test Method for Measuring Humidity With a Psy-
2
chrometer (The Measurement of Wet- and Dry-Bulb Tem-
2.1 ASTM Standards:
peratures)
C 22/C 22M Standard Specification for Gypsum
C 28/C 28M Specification for Gypsum Plasters
3. Terminology
C35 Specification for Inorganic Aggregates for Use in
Gypsum Plaster accelerator, n—a material that reduces setting time.
3
C 36/C 36M Specification for Gypsum Wallboard accessories, n—products fabricated for the purpose of forming
3
C 37/C 37M Specification for Gypsum Lath corners, edges, control joints, or decorative effects.
3
C52 Specification for Gypsum Partition Tile or Block adhesive,n—asubstancecapableofholdingmaterialstogether
C 59/C 59M Specification for Gypsum Casting and Mold- by surface attachment.
ing Plaster admixture, n—a material other than water, aggregates, hy-
C 61/C 61M Specification for Gypsum Keene’s Cement draulic cementitious material, and fiber reinforcement that is
3
C 79/C 79M Specification for Gypsum Sheathing Board usedasaningredienttomodifypropertiesandisaddedtothe
C 317/C 317M Specification for Gypsum Concrete batch before or during its mixture.
C 318/C 318M Specification for Gypsum Formboard aggregate, n—an inert granular material which may be added
C 472 Test Methods for Physical Testing of Gypsum, Gyp- to gypsum plasters. (C35)
sum Plasters and Gypsum Concrete all purpose compound, n—a compound formulated and
C 473 Test Methods for Physical Testing of Gypsum Panel manufactured to serve as a taping or finishing compound, or
Products both.
C 475/C 475M Specification for Joint Compound and Joint anhydrite, n—the mineral consisting primarily of anhydrous
Tape for Finishing Gypsum Board calcium sulfate, CaSO .
4
C 557 Specification for Adhesives for Fastening Gypsum arris (of an arch), n—the outside corner or angle formed by
Wallboard to Wood Framing the meeting of a wall surface with the curved surface of an
C 587 Specification for Gypsum Veneer Plaster arch (see Fig. 1).
C 588/C 588M Specification for Gypsum Base for Veneer basecoat, n—the first layer or layers of plaster applied over
Plasters lath or other substrate.
DISCUSSION—The first application is normally called a scratch coat
and the second application is referred to as a brown coat.
1
This terminology is under the jurisdiction of ASTM Committee C11 on
Gypsum and Related Building Materials and Systems and is the direct responsibility
bedding coat, n—that coat of plaster to receive aggregate or
of Subcommittee C11.91 on Terminology and Editorial.
other decorative material of any size, impinged or embedded
Current edition approved May 1, 2005. Published May 2005. Originally
into its surface, before it sets.
approved in 1916. Last previous edition approved in 2004 as C 11 – 04.
2
For referenced ASTM standards, visit the ASTM website, www.astm.org, or
bond plaster, n—a calcined gypsum plaster specially formu-
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
lated for application over rough monolithic concrete as a
Standards volume information, refer to the standard’s Document Summary page on
bonding coat for a subsequent gypsum plaster layer.
the ASTM website.
3
Withdrawn. (C 28/C 28M)
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.
1

---------------------- Page: 1 ----------------------
NOTICE: This standard has either been superseded and replaced by a new version or withdrawn. Contact ASTM
International (www.astm.org) for the latest information.
C11–05
core (of gypsum board), n—the hardened material filling the
space between the face and back papers consisting substan-
tially of rehydrated gypsum with additives.
cored tile or block, n—see gypsum tile or block. (C52)
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)
...

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