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ASTM C1472-05

(Guide)

Standard Guide for Calculating Movement and Other Effects When Establishing Sealant Joint Width

Standard Guide for Calculating Movement and Other Effects When Establishing Sealant Joint Width

SCOPE
1.1 This guide provides information on performance factors such as movement, construction tolerances, and other effects that should be accounted for to properly establish sealant joint size. It also provides procedures to assist in calculating and determining the required width of a sealant joint enabling it to respond properly to those movements and effects. Information in this guide is primarily applicable to single- and multi-component, cold-applied joint sealants and secondarily to precured sealant extrusions when used with properly prepared joint openings and substrate surfaces.
1.2 Although primarily directed towards the understanding and design of sealant joints for walls for buildings and other areas, the information contained herein is also applicable to sealant joints that occur in horizontal slabs and paving systems as well as various sloped building surfaces.
1.3 This guide does not describe the selection and properties of joint sealants (), which are described by Guide C 1299, nor their use and installation, which is described by Guide C 1193.
1.4 For protective glazing systems that are designed to resist blast and other effects refer to Guide 1564 in combination with this guide.
1.5 This guide is not applicable to the design of joints sealed with aerosol foam sealants.
1.6 For structural sealant glazing systems refer to Guide C 1401 in combination with this guide.
1.7 The values and calculations stated in SI units are to be regarded as the standard. The values given in parentheses and inch-pound units are provided for information only. SI units in this guide are in conformance with IEEE/ASTM SI 10-1997.
1.8 The Committee having jurisdiction for this guide is not aware of any comparable standards published by other organizations.
1.9 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.

General Information

Status
Historical
Publication Date
30-Apr-2005
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

Replaces
ASTM C1472-00 - Standard Guide for Calculating Movement and Other Effects When Establishing Sealant Joint Width
Effective Date
01-May-2005
Replaced By
ASTM C1472-06 - Standard Guide for Calculating Movement and Other Effects When Establishing Sealant Joint Width
Effective Date
01-Jan-2006
Referred By
ASTM C1397-13(2019) - Standard Practice for Application of Class PB Exterior Insulation and Finish Systems (EIFS) and EIFS with Drainage
Effective Date
01-May-2005
Referred By
ASTM C981-20 - Standard Guide for Design of Built-Up Bituminous Membrane Waterproofing Systems for Building Decks
Effective Date
01-May-2005
Referred By
ASTM C898/C898M-09(2017) - Standard Guide for Use of High Solids Content, Cold Liquid-Applied Elastomeric Waterproofing Membrane with Separate Wearing Course
Effective Date
01-May-2005
Referred By
ASTM C1401-23 - Standard Guide for Structural Sealant Glazing
Effective Date
01-May-2005
Referred By
ASTM C1535-05(2023) - Standard Practice for Application of Exterior Insulation and Finish Systems Class PI
Effective Date
01-May-2005
Referred By
ASTM C1193-16(2023) - Standard Guide for Use of Joint Sealants
Effective Date
01-May-2005
Referred By
ASTM C1481-12(2017) - Standard Guide for Use of Joint Sealants with Exterior Insulation and Finish Systems (EIFS)
Effective Date
01-May-2005
Referred By
ASTM C1564-20 - Standard Guide for Use of Silicone Sealants for Protective Glazing Systems
Effective Date
01-May-2005

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ASTM C1472-05 - Standard Guide for Calculating Movement and Other Effects When Establishing Sealant Joint WidthASTM C1472-05 - Standard Guide for Calculating Movement and Other Effects When Establishing Sealant Joint Width
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ASTM C1472-05 - Standard Guide for Calculating Movement and Other Effects When Establishing Sealant Joint Width
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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 1472 – 05
Standard Guide for
Calculating Movement and Other Effects When Establishing
1
Sealant Joint Width
This standard is issued under the fixed designation C1472; 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.A
superscript epsilon (e) indicates an editorial change since the last revision or reapproval.
1. Scope responsibility of the user of this standard to establish appro-
priate safety and health practices and determine the applica-
1.1 This guide provides information on performance factors
bility of regulatory limitations prior to use.
such as movement, construction tolerances, and other effects
that should be accounted for to properly establish sealant joint
2. Referenced Documents
size. It also provides procedures to assist in calculating and
2.1 ASTM Standards:
determining the required width of a sealant joint enabling it to
C216 Specification for Facing Brick (Solid Masonry Units
respond properly to those movements and effects. Information
Made From Clay or Shale)
in this guide is primarily applicable to single- and multi-
C717 Terminology of Building Seals and Sealants
component, cold-applied joint sealants and secondarily to
C719 Test Method for Adhesion and Cohesion of Elasto-
precured sealant extrusions when used with properly prepared
meric Joint Sealants Under Cyclic Movement (Hockman
joint openings and substrate surfaces.
Cycle)
1.2 Although primarily directed towards the understanding
C794 Test Method for Adhesion-in-Peel of Elastomeric
and design of sealant joints for walls for buildings and other
Joint Sealants
areas, the information contained herein is also applicable to
C920 Specification for Elastomeric Joint Sealants
sealant joints that occur in horizontal slabs and paving systems
C1193 Guide for Use of Building Sealants
as well as various sloped building surfaces.
C1299 Guide for Use of Silicone Sealants for Protective
1.3 Thisguidedoesnotdescribetheselectionandproperties
Glazing Systems
ofjointsealants (1),whicharedescribedbyGuideC1299,nor
C1401 Guide for Structural Sealant Glazing
their use and installation, which is described by Guide C1193.
C1481 Guide for Use of Joint Sealants with Exterior
1.4 Forprotectiveglazingsystemsthataredesignedtoresist
Insulation and Finish Systems (FIFS)
blastandothereffectsrefertoGuide1564incombinationwith
C1518 Specification for Precured Elastomeric Silicone
this guide.
Joint Sealants
1.5 Thisguideisnotapplicabletothedesignofjointssealed
C1523 Test Method for Determining Modulus, Tear and
with aerosol foam sealants.
Adhesion Properties of Precured Elastomeric Joint Seal-
1.6 For structural sealant glazing systems refer to Guide
ants
C1401 in combination with this guide.
C1564 Guide for Use of Silicone Sealants for Protective
1.7 The values and calculations stated in SI units are to be
Glazing Systems
regarded as the standard. The values given in parentheses and
2.2 American Concrete Institute (ACI),American Society of
inch-pound units are provided for information only. SI units in
Civil Engineers (ASCE), and The Masonry Society (TMS):
this guide are in conformance with IEEE/ASTM SI 10-1997.
Building Code Requirements for Masonry Structures (ACI
1.8 The Committee having jurisdiction for this guide is not
530-02/ASCE 5-02/TMS 401-02) Reported by the Ma-
aware of any comparable standards published by other orga-
sonry Standards Joint Committee (MSJC)
nizations.
2.3 Prestressed Concrete Institute (PCI):
1.9 This standard does not purport to address all of the
Manual for Quality Control for Plants and Production of
safety concerns, if any, associated with its use. It is the
Architectural Precast Concrete Products, MNL-177-77
2.4 American Society of Heating, Refrigerating and Air-
1
This standard is under the jurisdiction of ASTM Committee C24 on Building
Conditioning Engineers, Inc. (ASHRAE):
Seals and Sealants and is the direct responsibility of Subcommittee C24.10 on
Chapter 27, Climatic Design Information, Tables 1A, 1B,
Specifications, Guides and Practices.
2A, 2B, 3A, 3B,ASHRAE 2002 Fundamentals Handbook
Current edition approved May 1, 2005. Published June 2005. Originally
2.5 Brick Institute of America (BIA):
approved in 2000. Last previous edition approved in 2000 as C 1472–00.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.
1

---------------------- Page: 1 ----------------------
C1472–05
Volume Changes, and Effects of Movement, Part I, Techni-
DL = Dimensional change due to reversible moisture
R
cal Notes on Brick Construction, No. 18, Reissued Sept.
movement
2000
DL = Dimensional change due to transverse extension
T
DL = Dimensional change for a p
...

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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.  
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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.  
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1.1 This guide describes the use of a cold liquid-applied sealant for joint sealing applications. Including joints on buildings and related adjacent areas, such as plazas, decks, and pavements for vehicular or pedestrian use, and types of construction other than highways and airfield pavements and bridges. Information in this guide is primarily applicable to a single and multi-component, cold liquid-applied joint sealant and secondarily to a precured sealant when used with a properly prepared joint opening and substrate surfaces.  
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1.6 The values stated in SI units are to be regarded as the standard. The values given in parenthesis are provided for information only.  
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Standard Test Method for Effects of Laboratory Accelerated Weathering on Elastomeric Joint Sealants

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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.
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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.  
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5.1 Preformed tape sealants are tacky, deformable solids that are used under compression between two substrates in a variety of sealing applications. This procedure measures the softness of a preformed tape sealant and gives an indication of the preformed tape sealant's ease of compression during installation. The resistance to penetration may also give an indication of the toughness of the preformed tape sealant.
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1.2 The values stated in SI units are to be regarded as standard. Temperature values are also provided (in parentheses) in degrees Fahrenheit.  
1.3 The subcommittee with jurisdiction is not aware of any similar ISO standard.  
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