ASTM C1859-17a
(Practice)Standard Practice for Determination of Thermal Resistance of Loose-Fill Building Insulation in Side Wall Applications
Standard Practice for Determination of Thermal Resistance of Loose-Fill Building Insulation in Side Wall Applications
SIGNIFICANCE AND USE
4.1 The thermal resistance, R, of an insulation is used to describe its thermal performance.
4.2 The thermal resistance of an insulation is related to the density and thickness of the insulation. It is desirable to obtain test data on thermal resistances at thicknesses and densities related to the end uses of the product.
4.3 In normal use, the thickness of these products range from less than 100 mm (4 in.) to greater than 150 mm (6 in.). Installed densities depend upon the product type, the installed thickness, the installation equipment used, the installation techniques, and the geometry of the insulated space.
4.4 Loose-fill insulations provide coverage information using densities selected by manufacturers to represent the product installed densities. Generally, it is necessary to know the product thermal performance at a representative density.
4.5 When applicable specifications or codes do not specify the nominal thermal resistance level to be used for comparison purposes, a recommended practice is to use the Rsi (metric) = 2.65 m F/Btu]) label density and thickness for that measurement.
4.6 If the density for test purposes is not available from the coverage chart, a test density shall be established by use of applicable specifications and codes or, if none apply, agreement between the requesting body and the testing organization.
4.7 Generally, thin sections of these materials are not uniform. Thus, the test thickness must be greater than or equal to the product’s representative thickness if the results are to be consistent and typical of use.
Note 1: The representative thickness is specific for each product and is determined by running a series of tests in which the density is held constant but the thickness is increased. The representative thickness is defined here as that thickness above which there is no more than a 2 % change in the resistivity of the product. The representative thickness is a function of product blown density. In gene...
SCOPE
1.1 This practice presents a laboratory guide to determine the thermal resistance of loose-fill building insulations installed in side walls behind netting at mean temperatures between –10 and 35°C (14 to 95°F).
1.2 This practice applies to a wide variety of loose-fill thermal insulation products including fibrous glass, rock/slag wool, or cellulosic fiber materials and any other insulation material that can be installed pneumatically. It does not apply to products that change their character after installation either by chemical reaction or the application of binders, adhesives or other materials that are not used in the sample preparation described in this practice, nor does it consider the effects of structures, containments, facings, or air films.
1.3 Since this practice is designed for reproducible product comparison, it measures the thermal resistance of an insulation material which has been preconditioned to a relatively dry state. Consideration of changes of thermal performance of a hygroscopic insulation by sorption of water is beyond the scope of this practice.
1.4 The sample preparation techniques outlined in this practice do not cover the characterization of loose-fill materials intended for open applications.
1.5 The values stated in SI units are to be regarded as the standard. The values given in parentheses are for information only.
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...
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Designation: C1859 − 17a
Standard Practice for
Determination of Thermal Resistance of Loose-Fill Building
1
Insulation in Side Wall Applications
This standard is issued under the fixed designation C1859; 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 Development of International Standards, Guides and Recom-
mendations issued by the World Trade Organization Technical
1.1 This practice presents a laboratory guide to determine
Barriers to Trade (TBT) Committee.
thethermalresistanceofloose-fillbuildinginsulationsinstalled
in side walls behind netting at mean temperatures between –10
2. Referenced Documents
and 35°C (14 to 95°F).
2
2.1 ASTM Standards:
1.2 This practice applies to a wide variety of loose-fill
C168 Terminology Relating to Thermal Insulation
thermal insulation products including fibrous glass, rock/slag
C177 Test Method for Steady-State Heat Flux Measure-
wool, or cellulosic fiber materials and any other insulation
ments and Thermal Transmission Properties by Means of
material that can be installed pneumatically. It does not apply
the Guarded-Hot-Plate Apparatus
to products that change their character after installation either
C518 Test Method for Steady-State Thermal Transmission
bychemicalreactionortheapplicationofbinders,adhesivesor
Properties by Means of the Heat Flow Meter Apparatus
other materials that are not used in the sample preparation
C1045 Practice for Calculating Thermal Transmission Prop-
described in this practice, nor does it consider the effects of
erties Under Steady-State Conditions
structures, containments, facings, or air films.
C1114 Test Method for Steady-State Thermal Transmission
1.3 Since this practice is designed for reproducible product
Properties by Means of the Thin-Heater Apparatus
comparison, it measures the thermal resistance of an insulation
C1363 Test Method for Thermal Performance of Building
material which has been preconditioned to a relatively dry
Materials and Envelope Assemblies by Means of a Hot
state. Consideration of changes of thermal performance of a
Box Apparatus
hygroscopic insulation by sorption of water is beyond the
scope of this practice.
3. Terminology
1.4 The sample preparation techniques outlined in this
3.1 Unless otherwise stated, the terms and definitions found
practicedonotcoverthecharacterizationofloose-fillmaterials
in Terminology C168 are applicable herein.
intended for open applications.
4. Significance and Use
1.5 The values stated in SI units are to be regarded as the
standard. The values given in parentheses are for information
4.1 The thermal resistance, R, of an insulation is used to
only.
describe its thermal performance.
1.6 This standard does not purport to address all of the
4.2 The thermal resistance of an insulation is related to the
safety concerns, if any, associated with its use. It is the
density and thickness of the insulation. It is desirable to obtain
responsibility of the user of this standard to establish appro-
test data on thermal resistances at thicknesses and densities
priate safety, health, and environmental practices and deter-
related to the end uses of the product.
mine the applicability of regulatory limitations prior to use.
4.3 In normal use, the thickness of these products range
1.7 This international standard was developed in accor-
from less than 100 mm (4 in.) to greater than 150 mm (6 in.).
dance with internationally recognized principles on standard-
Installed densities depend upon the product type, the installed
ization established in the Decision on Principles for the
thickness, the installation equipment used, the installation
techniques, and the geometry of the insulated space.
1
This practice is under the jurisdiction of ASTM Committee C16 on Thermal
Insulation and is the direct responsibility of Subcommittee C16.30 on Thermal
2
Measurement. For referenced ASTM standards, visit the ASTM website, www.astm.org, or
Current edition approved Dec. 1, 2017. Published January 2018. Originally contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
approved in 2017. Last previous edition approved in 2017 as C1859 – 17. DOI: Standards volume information, refer to the standard’s Document Summary page on
10.1520/C1859-17A. the ASTM website.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
1
---------------------- Page: 1 ----------------------
C1859 − 17a
4.4 Loose-fill insulations provide coverage information us- 5.1.1 Conformance to Standards—The apparatus shall con-
ingdensitiesselectedbymanufacturerstore
...
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: C1859 − 17 C1859 − 17a
Standard Practice for
Determination of Thermal Resistance of Loose-Fill Building
1
Insulation in Side Wall Applications
This standard is issued under the fixed designation C1859; 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 presents a laboratory guide to determine the thermal resistance of loose-fill building insulations installed in
side walls behind netting at mean temperatures between –10 and 35°C (14 to 95°F).
1.2 This practice applies to a wide variety of loose-fill thermal insulation products including fibrous glass, rock/slag wool, or
cellulosic fiber materials and any other insulation material that can be installed pneumatically. It does not apply to products that
change their character after installation either by chemical reaction or the application of binders, adhesives or other materials that
are not used in the sample preparation described in this practice, nor does it consider the effects of structures, containments, facings,
or air films.
1.3 Since this practice is designed for reproducible product comparison, it measures the thermal resistance of an insulation
material which has been preconditioned to a relatively dry state. Consideration of changes of thermal performance of a hygroscopic
insulation by sorption of water is beyond the scope of this practice.
1.4 The sample preparation techniques outlined in this practice do not cover the characterization of loose-fill materials intended
for open applications.
1.5 The values stated in SI units are to be regarded as the standard. The values given in parentheses are for information only.
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 safety, health, and healthenvironmental 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:
C168 Terminology Relating to Thermal Insulation
C177 Test Method for Steady-State Heat Flux Measurements and Thermal Transmission Properties by Means of the
Guarded-Hot-Plate Apparatus
C518 Test Method for Steady-State Thermal Transmission Properties by Means of the Heat Flow Meter Apparatus
C1045 Practice for Calculating Thermal Transmission Properties Under Steady-State Conditions
C1114 Test Method for Steady-State Thermal Transmission Properties by Means of the Thin-Heater Apparatus
C1363 Test Method for Thermal Performance of Building Materials and Envelope Assemblies by Means of a Hot Box Apparatus
3. Terminology
3.1 Unless otherwise stated, the terms and definitions found in Terminology C168 are applicable herein.
4. Significance and Use
4.1 The thermal resistance, R, of an insulation is used to describe its thermal performance.
1
This practice is under the jurisdiction of ASTM Committee C16 on Thermal Insulation and is the direct responsibility of Subcommittee C16.30 on Thermal Measurement.
Current edition approved May 1, 2017Dec. 1, 2017. Published May 2017January 2018. Originally approved in 2017. Last previous edition approved in 2017 as C1859 – 17.
DOI: 10.1520/C1859-17.10.1520/C1859-17A.
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.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
1
---------------------- Page: 1 ----------------------
C1859 − 17a
4.2 The thermal resistance of an insulation is related to the density and thickness of the insulation. It is desirable to obtain test
data on thermal resistances at thicknesses and densities related to the end uses of the product.
4.3 In normal use, the thickness of these products range from less than 100 mm (4 in.) to greater than
...
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