ASTM C1516-05(2017)
(Practice)Standard Practice for Application of Direct-Applied Exterior Finish Systems
Standard Practice for Application of Direct-Applied Exterior Finish Systems
SIGNIFICANCE AND USE
4.1 This practice provides minimum requirements for the application of Direct-applied Exterior Finish Systems. The requirements for materials, mixtures, and details shall be contained in the project plans and specifications.
SCOPE
1.1 This practice covers the minimum requirements and procedures for field application of Direct-applied Exterior Finish Systems (DEFS). Direct-applied exterior finish systems are coating systems applied over various substrates with non-metallic reinforcing mesh, in which the base coat ranges from not less than 1/16 in. (1.6 mm) to 3/32 in. (2.4 mm) in dry thickness, depending on the mass of the reinforcing mesh. This base coat is subsequently covered with a finish coat that is available in a variety of textures and colors.
1.2 The values stated in inch-pound units are to be regarded as the standard. The metric values given in parentheses are approximate and are provided for information purposes only.
1.3 This standard may involve hazardous materials, operations and equipment. This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.
1.4 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.
General Information
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Designation: C1516 − 05 (Reapproved 2017)
Standard Practice for
1
Application of Direct-Applied Exterior Finish Systems
This standard is issued under the fixed designation C1516; 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* C1177/C1177M Specification for Glass Mat Gypsum Sub-
strate for Use as Sheathing
1.1 This practice covers the minimum requirements and
C1186 Specification for Flat Fiber-Cement Sheets
procedures for field application of Direct-applied Exterior
C1278/C1278M Specification for Fiber-Reinforced Gypsum
Finish Systems (DEFS). Direct-applied exterior finish systems
Panel
are coating systems applied over various substrates with
C1325 Specification for Non-Asbestos Fiber-Mat Rein-
non-metallic reinforcing mesh, in which the base coat ranges
forced Cementitious Backer Units
1 3
from not less than ⁄16 in. (1.6 mm) to ⁄32 in. (2.4 mm) in dry
E1825 Guide for Evaluation of Exterior Building Wall
thickness, depending on the mass of the reinforcing mesh. This
Materials, Products, and Systems
base coat is subsequently covered with a finish coat that is
available in a variety of textures and colors.
3. Terminology
1.2 The values stated in inch-pound units are to be regarded
3.1 Definitions used in this standard shall be in accordance
as the standard. The metric values given in parentheses are
with Terminology C11.
approximate and are provided for information purposes only.
3.2 Definitions of Terms Specific to This Standard:
1.3 This standard may involve hazardous materials, opera-
tions and equipment. This standard does not purport to address
3.2.1 accessories, n—preformed metal, fiberglass or plastic
all of the safety concerns, if any, associated with its use. It is
members used to form corners, edges, control joints, or
the responsibility of the user of this standard to establish
decorative effects.
appropriate safety and health practices and determine the
3.2.2 back wrapping, n—a deprecated term. See wrap.
applicability of regulatory limitations prior to use.
3.2.3 base coat, n—a material, either factory or field-mixed,
1.4 This international standard was developed in accor-
dance with internationally recognized principles on standard- used to cover the substrate and to encapsulate the reinforcing
ization established in the Decision on Principles for the mesh.
Development of International Standards, Guides and Recom-
3.2.4 cold joint, n—the visible junction in an exterior finish.
mendations issued by the World Trade Organization Technical
3.2.5 cure, v—to develop the ultimate properties of a wet
Barriers to Trade (TBT) Committee.
state material by a chemical process.
2. Referenced Documents
3.2.6 dry, v—to develop the ultimate properties of a wet
2
2.1 ASTM Standards:
state material solely by evaporation of volatile ingredients.
C11 Terminology Relating to Gypsum and Related Building
3.2.7 durability, n—the capability of a building, assembly,
Materials and Systems
component, product, or construction to maintain serviceability
C1063 Specification for Installation of Lathing and Furring
over not less than a specified time.
to Receive Interior and Exterior Portland Cement-Based
Plaster 3.2.8 embed, v—to encapsulate a non-metallic reinforcing
mesh in either the joint compound or exterior finish.
1
This practice is under the jurisdiction of ASTM Committee C11 on Gypsum 3.2.9 expansion joint, n—a structural separation between
and Related Building Materials and Systems and is the direct responsibility of
building elements that allows independent movement without
Subcommittee C11.05 on Application of Exterior Insulating and Finish Systems and
damage to the assembly.
Related Products.
Current edition approved April 1, 2017. Published April 2017. Originally
3.2.10 factory mixed, n—a material that is prepared at the
approved in 2002. Last previous edition approved in 2011 as C1516 – 05 (2011).
point of manufacture and is ready to use without the addition
DOI: 10.1520/C1516-05R17.
2
of other materials, except possibly water to adjust consistency.
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
3.2.11 field mix, n—a material that is mixed in the field with
Standards volume information, refer to the standard’s Document Summary page on
the ASTM website. other components, water, or both.
*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
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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: C1516 − 05 (Reapproved 2011) C1516 − 05 (Reapproved 2017)
Standard Practice for
1
Application of Direct-Applied Exterior Finish Systems
This standard is issued under the fixed designation C1516; 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 practice covers the minimum requirements and procedures for field application of Direct-applied Exterior Finish
Systems (DEFS). Direct-applied exterior finish systems are coating systems applied over various substrates with non-metallic
1 3
reinforcing mesh, in which the base coat ranges from not less than ⁄16 in. (1.6 mm) to ⁄32 in. (2.4 mm) in dry thickness, depending
on the mass of the reinforcing mesh. This base coat is subsequently covered with a finish coat that is available in a variety of
textures and colors.
1.2 The values stated in inch-pound units are to be regarded as the standard. The metric values given in parentheses are
approximate and are provided for information purposes only.
1.3 This standard may involve hazardous materials, operations and equipment. This standard does not purport to address all
of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate
safety and health practices and determine the applicability of regulatory limitations prior to use.
1.4 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:
C11 Terminology Relating to Gypsum and Related Building Materials and Systems
C1063 Specification for Installation of Lathing and Furring to Receive Interior and Exterior Portland Cement-Based Plaster
C1177/C1177M Specification for Glass Mat Gypsum Substrate for Use as Sheathing
C1186 Specification for Flat Fiber-Cement Sheets
C1278/C1278M Specification for Fiber-Reinforced Gypsum Panel
C1325 Specification for Non-Asbestos Fiber-Mat Reinforced Cementitious Backer Units
E1825 Guide for Evaluation of Exterior Building Wall Materials, Products, and Systems
3. Terminology
3.1 Definitions used in this standard shall be in accordance with Terminology C11.
3.2 Definitions of Terms Specific to This Standard:
3.2.1 accessories, n—preformed metal, fiberglass or plastic members used to form corners, edges, control joints, or decorative
effects.
3.2.2 back wrapping, n—a deprecated term. See wrap.
3.2.3 base coat, n—a material, either factory or field-mixed, used to cover the substrate and to encapsulate the reinforcing mesh.
3.2.4 cold joint, n—the visible junction in an exterior finish.
3.2.5 cure, v—to develop the ultimate properties of a wet state material by a chemical process.
3.2.6 dry, v—to develop the ultimate properties of a wet state material solely by evaporation of volatile ingredients.
1
This practice is under the jurisdiction of ASTM Committee C11 on Gypsum and Related Building Materials and Systems and is the direct responsibility of Subcommittee
C11.05 on Application of Exterior Insulating and Finish Systems and Related Products.
Current edition approved Dec. 1, 2011April 1, 2017. Published June 2011April 2017. Originally approved in 2002. Last previous edition approved in 20052011 as
C1516 – 05.C1516 – 05 (2011). DOI: 10.1520/C1516-05R11.10.1520/C1516-05R17.
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.
*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
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C1516 − 05 (2017)
3.2.7 durability, n—the capability of a building, assembly, component, product, or construction to maintain serviceability over
not less than a specified time.
3.2.8 embed, v—to encapsulate a non-metallic reinforcing mesh in either the joint compound or exterior finish.
3.2.9 expansion joint, n—a structural sepa
...
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