ASTM C11-17a
(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.
1.2 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.
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Designation: C11 − 17a
Standard Terminology Relating to
1
Gypsum and Related Building Materials and Systems
This standard is issued under the fixed designation C11; 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.Asuperscript
epsilon (´) indicates an editorial change since the last revision or reapproval.
1. Scope* C475/C475M Specification for Joint Compound and Joint
Tape for Finishing Gypsum Board
1.1 This standard covers terminology relating to gypsum
C843 Specification for Application of Gypsum Veneer Plas-
and related building materials and systems. The terms are
ter
generically defined. More specific and expanded definitions
C557 Specification for Adhesives for Fastening Gypsum
may appear in appropriate standards.
Wallboard to Wood Framing
1.2 This international standard was developed in accor-
C587 Specification for Gypsum Veneer Plaster
dance with internationally recognized principles on standard-
C588/C588M Specification for Gypsum Base for Veneer
ization established in the Decision on Principles for the
3
Plasters (Withdrawn 2005)
Development of International Standards, Guides and Recom-
C954 SpecificationforSteelDrillScrewsfortheApplication
mendations issued by the World Trade Organization Technical
of Gypsum Panel Products or Metal Plaster Bases to Steel
Barriers to Trade (TBT) Committee.
Studs from 0.033 in. (0.84 mm) to 0.112 in. (2.84 mm) in
Thickness
2. Referenced Documents
C1007 Specification for Installation of Load Bearing (Trans-
2
2.1 ASTM Standards:
verse and Axial) Steel Studs and Related Accessories
C22/C22M Specification for Gypsum
C1396/C1396M Specification for Gypsum Board
C28/C28M Specification for Gypsum Plasters
E84 Test Method for Surface Burning Characteristics of
C35 Specification for Inorganic Aggregates for Use in Gyp-
Building Materials
sum Plaster
E96/E96M Test Methods for Water Vapor Transmission of
C36/C36M Specification for Gypsum Wallboard (With-
Materials
3
drawn 2004)
E119 Test Methods for Fire Tests of Building Construction
C37/C37M Specification for Gypsum Lath (Withdrawn
and Materials
3
2004)
E337 Test Method for Measuring Humidity with a Psy-
C52 Specification for Gypsum Partition Tile Or Block
chrometer (the Measurement of Wet- and Dry-Bulb Tem-
3
(Withdrawn 1982)
peratures)
C59/C59M Specification for Gypsum Casting Plaster and
Gypsum Molding Plaster
3. Terminology
C61/C61M Specification for Gypsum Keene’s Cement
C317/C317M Specification for Gypsum Concrete
accelerator, n—a material that reduces setting time.
C318/C318M Specification for Gypsum Formboard
accessories, n—products fabricated for the purpose of forming
C472 Test Methods for Physical Testing of Gypsum, Gyp-
corners, edges, control joints, or decorative effects.
sum Plasters and Gypsum Concrete
C473 Test Methods for Physical Testing of Gypsum Panel
adhesive,n—a substance capable of holding materials together
Products
by surface attachment.
admixture,n—amaterialotherthanwater,aggregates,hydrau-
1
This terminology is under the jurisdiction of ASTM Committee C11 on
lic cementitious material, and fiber reinforcement that is
Gypsum and Related Building Materials and Systems and is the direct responsibility
of Subcommittee C11.91 on Terminology and Editorial. usedasaningredienttomodifypropertiesandisaddedtothe
Current edition approved Oct. 1, 2017. Published October 2017. Originally
batch before or during its mixture.
approved in 1916. Last previous edition approved in 2017 as C11 – 17. DOI:
10.1520/C0011-17A.
aggregate, n—an inert granular material which may be added
2
For referenced ASTM standards, visit the ASTM website, www.astm.org, or
to gypsum plasters. (C35)
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
Standards volume information, refer to the standard’s Document Summary page on
all purpose compound, n—a compound formulated and
the ASTM website.
3 manufactured to serve as both a taping and a finishing
The last approved version of this historical standard is referenced on
www.astm.org. compound.
*A Summary of Changes section appears at the end of this standard
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
1
---------------------- Page: 1 ----------------------
C11 − 17a
anhydrite, n—the mineral consisting primarily of anhydrous check cracking (in joint systems), n—short, narrow cracks
calcium sulfate, CaSO . randomly oriented in the surface of the dried joint com-
4
pound.
arris (of an arch), n—the outside corner or angle formed by
the meeting of a wall surface with the curved surface of an
coat, n—a layer of plaster applied in a single operation.
arch (see Fig. 1).
combined water, n—the water chemically
...
This document is not an ASTM standard and is intended only to provide the user of an ASTM standard an indication of what changes have been made to the previous version. Because
it may not be technically possible to adequately depict all changes accurately, ASTM recommends that users consult prior editions as appropriate. In all cases only the current version
of the standard as published by ASTM is to be considered the official document.
Designation: C11 − 17 C11 − 17a
Standard Terminology Relating to
1
Gypsum and Related Building Materials and Systems
This standard is issued under the fixed designation C11; 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 (´) indicates an editorial change since the last revision or reapproval.
1. 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.
1.2 This international standard was developed in accordance with internationally recognized principles on standardization
established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued
by the World Trade Organization Technical Barriers to Trade (TBT) Committee.
2. Referenced Documents
2
2.1 ASTM Standards:
C22/C22M Specification for Gypsum
C28/C28M Specification for Gypsum Plasters
C35 Specification for Inorganic Aggregates for Use in Gypsum Plaster
3
C36/C36M Specification for Gypsum Wallboard (Withdrawn 2004)
3
C37/C37M Specification for Gypsum Lath (Withdrawn 2004)
3
C52 Specification for Gypsum Partition Tile Or Block (Withdrawn 1982)
C59/C59M Specification for Gypsum Casting Plaster and Gypsum Molding Plaster
C61/C61M Specification for Gypsum Keene’s Cement
C317/C317M Specification for Gypsum Concrete
C318/C318M Specification for Gypsum Formboard
C472 Test Methods for Physical Testing of Gypsum, Gypsum Plasters and Gypsum Concrete
C473 Test Methods for Physical Testing of Gypsum Panel Products
C475/C475M Specification for Joint Compound and Joint Tape for Finishing Gypsum Board
C843 Specification for Application of Gypsum Veneer Plaster
C557 Specification for Adhesives for Fastening Gypsum Wallboard to Wood Framing
C587 Specification for Gypsum Veneer Plaster
3
C588/C588M Specification for Gypsum Base for Veneer Plasters (Withdrawn 2005)
C954 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
C1007 Specification for Installation of Load Bearing (Transverse and Axial) Steel Studs and Related Accessories
C1396/C1396M Specification for Gypsum Board
E84 Test Method for Surface Burning Characteristics of Building Materials
E96/E96M Test Methods for Water Vapor Transmission of Materials
E119 Test Methods for Fire Tests of Building Construction and Materials
E337 Test Method for Measuring Humidity with a Psychrometer (the Measurement of Wet- and Dry-Bulb Temperatures)
3. Terminology
accelerator, n—a material that reduces setting time.
accessories, n—products fabricated for the purpose of forming corners, edges, control joints, or decorative effects.
1
This terminology is under the jurisdiction of ASTM Committee C11 on Gypsum and Related Building Materials and Systems and is the direct responsibility of
Subcommittee C11.91 on Terminology and Editorial.
Current edition approved May 15, 2017Oct. 1, 2017. Published June 2017October 2017. Originally approved in 1916. Last previous edition approved in 20162017 as
C11 – 16.C11 – 17. DOI: 10.1520/C0011-17.10.1520/C0011-17A.
2
For referenced ASTM standards, visit the ASTM website, www.astm.org, or contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM Standards
volume information, refer to the standard’s Document Summary page on the ASTM website.
3
The last approved version of this historical standard is referenced on www.astm.org.
*A Summary of Changes section appears at the end of this standard
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
1
---------------------- Page: 1 ----------------------
C11 − 17a
adhesive, n—a substance capable of holding materials together by surface attachment.
admixture, n—a material other than water, aggregates, hydraulic cementitious material, and fiber reinforcement that is used as an
ingredient to modify properties and is added to the batch before or during its mixture.
aggregate, n—an inert granular material which may be added to gypsum plasters. (C35)
all purpose compound, n—a compound formulated and manufactured to serve as both a taping and a finishing compound.
anhydrite, n—the mineral consisting primarily of anhydrous calcium sulfate, CaSO .
4
arris (of a
...
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