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ASTM C1401-23

(Guide)

Standard Guide for Structural Sealant Glazing

Standard Guide for Structural Sealant Glazing

SIGNIFICANCE AND USE
5.1 The old saying “A chain is only as strong as its weakest link” is very applicable to a SSG system. In reality, a SSG system, to be successful, must establish and maintain a chain of adhesion. For example, a factory applied finish must adhere adequately to a metal framing member, a structural glazing sealant to that metal finish, that structural glazing sealant to a reflective coating on a glass lite, and lastly, that reflective coating to a glass surface. This guide will assist in the identification and development of, among others, performance criteria, test methods, and industry practices that should be implemented to obtain the required structural glazing sealant adhesion and compatibility with other system components.  
5.2 Although this guide has been arranged to permit easy access to specific areas of interest, it is highly recommended that the entire guide is read and understood before establishing the requirements for a particular SSG system.  
5.3 This guide should not be the only criteria upon which the design and installation of a SSG system is based. The information herein is provided to assist in the development of a specific program with a goal of achieving a successful SSG system installation. Information and guidelines are provided for the evaluation, design, installation, and maintenance of a SSG system and many of its various components. Considering the range of properties of structural glazing silicone sealants, as well as the many types of framing system designs, material combinations that can be used, various material finishes, and the many types and varieties of accessories, the information contained herein is general in nature.  
5.4 Generally, the design, fabrication, and installation of a SSG system requires more technical knowledge and experience then is required for a conventionally glazed window or curtain wall system. To ensure the success of a SSG system, it is important that suppliers, fabricators, and installers of materials an...
SCOPE
1.1 Structural sealant glazing, hereinafter referred to as SSG, is an application where a sealant not only can function as a barrier against the passage of air and water through a building envelope, but also primarily provides structural support and attachment of glazing or other components to a window, curtain wall, or other framing system.  
1.2 This guide provides information useful to design professionals, manufacturers, contractors, and others for the design and installation of a SSG system. This information is applicable only to this glazing method when used for a building wall that is not more than 15° from vertical; however, limited information is included concerning a sloped SSG application.  
1.3 Only a silicone chemically curing sealant specifically formulated, tested, and marketed for structural sealant glazing is acceptable for a SSG system application.  
1.4 The committee with jurisdiction for this standard is not aware of any comparable standard published by other organizations.  
1.5 The values stated in SI units are to be regarded as standard. The values given in parentheses after SI units are provided for information only and are not considered standard. SI units in this guide are in conformance with IEEE/ASTM SI 10.  
1.6 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, health, and environmental practices and determine the applicability of regulatory limitations prior to use.  
1.7 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

Status
Published
Publication Date
31-May-2023
ICS
91.100.50 - Binders. Sealing materials
Technical Committee
C24 - Building Seals and Sealants
Drafting Committee
C24.10 - Specifications, Guides and Practices
Current Stage
Ref Project

Relations

Refers
ASTM C1521-19(2020) - Standard Practice for Evaluating Adhesion of Installed Weatherproofing Sealant Joints
Effective Date
01-May-2020
Refers
ASTM E2431-12(2020) - Standard Practice for Determining the Resistance of Single Glazed Annealed Architectural Flat Glass to Thermal Loadings
Effective Date
01-Jul-2020
Refers
ASTM C1294-20 - Standard Test Method for Compatibility of Insulating Glass Edge Sealants with Liquid-Applied Glazing Materials
Effective Date
01-May-2020

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Standards Content (Sample)

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.
Designation: C1401 − 23
Standard Guide for
1
Structural Sealant Glazing
This standard is issued under the fixed designation C1401; 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 2. Referenced Documents
2
1.1 Structural sealant glazing, hereinafter referred to as
2.1 ASTM Standards:
SSG, is an application where a sealant not only can function as
B117 Practice for Operating Salt Spray (Fog) Apparatus
a barrier against the passage of air and water through a building
C99 Test Method for Modulus of Rupture of Dimension
envelope, but also primarily provides structural support and
Stone
attachment of glazing or other components to a window,
C119 Terminology Relating to Dimension Stone
curtain wall, or other framing system.
C162 Terminology of Glass and Glass Products
1.2 This guide provides information useful to design
C503 Specification for Marble Dimension Stone
professionals, manufacturers, contractors, and others for the
C509 Specification for Elastomeric Cellular Preformed Gas-
design and installation of a SSG system. This information is
ket and Sealing Material
applicable only to this glazing method when used for a building
C510 Test Method for Staining and Color Change of Single-
wall that is not more than 15° from vertical; however, limited
or Multicomponent Joint Sealants
information is included concerning a sloped SSG application.
C568 Specification for Limestone Dimension Stone
C615 Specification for Granite Dimension Stone
1.3 Only a silicone chemically curing sealant specifically
C717 Terminology of Building Seals and Sealants
formulated, tested, and marketed for structural sealant glazing
is acceptable for a SSG system application. C719 Test Method for Adhesion and Cohesion of Elasto-
meric Joint Sealants Under Cyclic Movement (Hockman
1.4 The committee with jurisdiction for this standard is not
Cycle)
aware of any comparable standard published by other organi-
C794 Test Method for Adhesion-in-Peel of Elastomeric Joint
zations.
Sealants
1.5 The values stated in SI units are to be regarded as
C864 Specification for Dense Elastomeric Compression Seal
standard. The values given in parentheses after SI units are
Gaskets, Setting Blocks, and Spacers
provided for information only and are not considered standard.
C880 Test Method for Flexural Strength of Dimension Stone
SI units in this guide are in conformance with IEEE/ASTM SI
C920 Specification for Elastomeric Joint Sealants
10.
C1036 Specification for Flat Glass
1.6 This standard does not purport to address all of the
C1048 Specification for Heat-Strengthened and Fully Tem-
safety concerns, if any, associated with its use. It is the
pered Flat Glass
responsibility of the user of this standard to establish appro-
C1087 Test Method for Determining Compatibility of
priate safety, health, and environmental practices and deter-
Liquid-Applied Sealants with Accessories Used in Struc-
mine the applicability of regulatory limitations prior to use.
tural Glazing Systems
1.7 This international standard was developed in accor-
C1115 Specification for Dense Elastomeric Silicone Rubber
dance with internationally recognized principles on standard-
Gaskets and Accessories
ization established in the Decision on Principles for the
C1135 Test Method for Determining Tensile Adhesion Prop-
Development of International Standards, Guides and Recom-
erties of Structural Sealants
mendations issued by the World Trade Organization Technical
C1172 Specification for Laminated Architectural Flat Glass
Barriers to Trade (TBT) Committee.
C1184 Specification for Structural Silicone Sealants
C1193 Guide for Use of Joint Sealants
1
This guide is under the jurisdiction of ASTM Committee C24 on Building Seals
and Sealants and is the direct responsibility of Subcommittee C24.10 on
2
Specifications, Guides and Practices. For referenced ASTM standards, visit the ASTM website, www.astm.org, or
Current edition approved June 1, 2023. Published June 2023. Originally contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
approved in 1998. Last previous edition approved in 2022 as C1401 – 14 (2022). Standards volume information, refer to the standard’s Document Summary page on
DOI: 10.1520/C1401-23. the ASTM website.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
1

---------------------- Page: 1 ----------------------
C1401 − 23
C1201 Test Method
...

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: C1401 − 14 (Reapproved 2022) C1401 − 23
Standard Guide for
1
Structural Sealant Glazing
This standard is issued under the fixed designation C1401; 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 Structural sealant glazing, hereinafter referred to as SSG, is an application where a sealant not only can function as a barrier
against the passage of air and water through a building envelope, but also primarily provides structural support and attachment of
glazing or other components to a window, curtain wall, or other framing system.
1.2 This guide provides information useful to design professionals, manufacturers, contractors, and others for the design and
installation of a SSG system. This information is applicable only to this glazing method when used for a building wall that is not
more than 15° from vertical; however, limited information is included concerning a sloped SSG application.
1.3 Only a silicone chemically curing sealant specifically formulated, tested, and marketed for structural sealant glazing is
acceptable for a SSG system application.
1.4 The committee with jurisdiction for this standard is not aware of any comparable standard published by other organizations.
1.5 The values stated in SI units are to be regarded as standard. The values given in parentheses after SI units are provided for
information only and are not considered standard. SI units in this guide are in conformance with IEEE/ASTM SI 10.
1.6 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, health, and environmental practices and determine the applicability of
regulatory limitations prior to use.
1.7 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:
B117 Practice for Operating Salt Spray (Fog) Apparatus
C99 Test Method for Modulus of Rupture of Dimension Stone
C119 Terminology Relating to Dimension Stone
C162 Terminology of Glass and Glass Products
C503 Specification for Marble Dimension Stone
1
This guide is under the jurisdiction of ASTM Committee C24 on Building Seals and Sealants and is the direct responsibility of Subcommittee C24.10 on Specifications,
Guides and Practices.
Current edition approved June 1, 2022June 1, 2023. Published July 2012June 2023. Originally approved in 1998. Last previous edition approved in 20142022 as
C1401C1401 – 14 (2022).–14. DOI: 10.1520/C1401-14R22.10.1520/C1401-23.
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.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
1

---------------------- Page: 1 ----------------------
C1401 − 23
C509 Specification for Elastomeric Cellular Preformed Gasket and Sealing Material
C510 Test Method for Staining and Color Change of Single- or Multicomponent Joint Sealants
C568 Specification for Limestone Dimension Stone
C615 Specification for Granite Dimension Stone
C717 Terminology of Building Seals and Sealants
C719 Test Method for Adhesion and Cohesion of Elastomeric Joint Sealants Under Cyclic Movement (Hockman Cycle)
C794 Test Method for Adhesion-in-Peel of Elastomeric Joint Sealants
C864 Specification for Dense Elastomeric Compression Seal Gaskets, Setting Blocks, and Spacers
C880 Test Method for Flexural Strength of Dimension Stone
C920 Specification for Elastomeric Joint Sealants
C1036 Specification for Flat Glass
C1048 Specification for Heat-Strengthened and Fully Tempered Flat Glass
C1087 Test Method for Determining Compatibility of Liquid-Applied Sealants with Accessories Used in Structural Glazing
Systems
C1115 Specification for Dense Elastomeric Silicone Rubber Gaskets and Accessories
C1135 Test Method for Determining Tensile Adhesion Properties of St
...

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SIGNIFICANCE AND USE
5.1 Weight loss through volatilization of components of a sealant in a building joint may affect sealant appearance because of shrinkage, and sealant performance because of the loss of functional sealant components. Exposure to high-temperature environments will accelerate the loss of volatiles.  
5.2 This test method measures weight loss. It can be used in combination with a knowledge of sealant density to estimate shrinkage. In addition, when compared to sealant theoretical weight solids, it provides an estimate of the extent to which functional sealant components can be volatilized when exposed to high service temperatures. Substantial losses of this type may help predict early failures in durability. Also, development of cracks or chalking, or both, lessens sealant service life. However, a sealant that develops no cracks or chalking, or low weight loss in this test method, does not necessarily assure good durability.
SCOPE
1.1 This test method covers a laboratory procedure for determining the effects of heat aging on weight loss, cracking, and chalking of cured-in-place elastomeric joint sealants (single- and multi-component) for use in building construction.  
1.2 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, health, and environmental practices and determine the applicability of regulatory limitations prior to use.  
1.3 There is no known ISO equivalent to this test method.  
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.

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ASTM
ASTM C793-23(Test Method)
Standard Test Method for Effects of Laboratory Accelerated Weathering on Elastomeric Joint Sealants

SIGNIFICANCE AND USE
5.1 It is known that solar radiation contributes to the degradation of sealants in exterior building joints. The use of a laboratory accelerated weathering machine with actinic radiation, moisture and heat appears to be a feasible means to give indications of early degradation by the appearance of sealant cracking. However, simulated weather factors in combination with extension may produce more severe degradation than weather factors only. Therefore, the effect of the weathering test is made more sensitive by the addition of the bending of the specimen at cold temperature.
SCOPE
1.1 This test method covers a laboratory procedure for determining the effects of accelerated weathering on cured-in-place elastomeric joint sealants (single- and multicomponent) for use in building construction.  
1.2 The values stated in SI units are to be regarded as the standard. The values in parentheses are for information only.  
1.3 The committee with jurisdiction over this standard is not aware of any comparable standards published by other ASTM committees or other organizations.  
1.4 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, health, and environmental practices and determine the applicability of regulatory limitations prior to use.  
1.5 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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  • Standard
    4 pages
    English language
    sale 15% off