ASTM C1497-01e1
(Specification)Standard Specification for Cellulosic Fiber Stabilized Thermal Insulation
Standard Specification for Cellulosic Fiber Stabilized Thermal Insulation
SCOPE
1.1 This specification covers the composition and physical properties of spray-applied cellulosic fiber stabilized thermal insulation applied to open or closed ceiling spaces, regardless of slope, where temperatures range from -49 to 194oF (-45 to 90oC).
1.2 Stabilized cellulosic fiber thermal insulation is produced by the addition of adhesive(s) to loose-fill cellulosic fiber insulation. The adhesive(s) may be added to the insulation at time of manufacture and, if necessary, activated by the addition of water when installed or the adhesive may be added to the insulation at the time of installation.
1.3 This is a material specification that is not intended to deal with methods of application that are supplied by the manufacturer.
1.4 The values stated in inch-pound units are to be regarded as standard. The SI units given in parentheses are for information only.
1.5 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.
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Designation: C 1497 – 01
Standard Specification for
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Cellulosic Fiber Stabilized Thermal Insulation
This standard is issued under the fixed designation C 1497; 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 (e) indicates an editorial change since the last revision or reapproval.
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e NOTE—Section 9.2 was editorially updated in January 2002.
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1. Scope Insulation Materials and Facings
E 970 Test Method for Critical Radiant Flux of Exposed
1.1 This specification covers the composition and physical
Attic Floor Insulation Using a Radiant Heat Energy
properties of spray-applied cellulosic fiber stabilized thermal
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Source
insulation applied to open or closed ceiling spaces, regardless
of slope, where temperatures range from -49 to 194°F (-45 to
3. Terminology
90°C).
3.1 Definitions—For definitions of terms used in this speci-
1.2 Stabilized cellulosic fiber thermal insulation is produced
fication, see Terminology C 168.
by the addition of adhesive(s) to loose-fill cellulosic fiber
3.2 Definitions of Terms Specific to This Standard:
insulation. The adhesive(s) may be added to the insulation at
3.2.1 shrinkage—decrease in thickness that occurs from the
time of manufacture and, if necessary, activated by the addition
time of installation until the insulation achieves a stable
of water when installed or the adhesive may be added to the
moisture content.
insulation at the time of installation.
3.2.2 stabilized cellulose—a cellulosic insulation product
1.3 This is a material specification that is not intended to
treated to resist, after drying, further settling of no more than
deal with methods of application that are supplied by the
5%.
manufacturer.
1.4 The values stated in inch-pound units are to be regarded
4. Materials and Manufacture
as standard. The SI units given in parentheses are for informa-
4.1 The basic material shall be recycled cellulosic fiber
tion only.
made from selected paper or paperboard stock. Additives are
1.5 This standard does not purport to address all of the
introduced to provide properties such as flame resistance,
safety concerns, if any, associated with its use. It is the
processing and handling characteristics. An adhesive is added
responsibility of the user of this standard to establish appro-
to the insulation product to resist long-term settling of the
priate safety and health practices and determine the applica-
insulation after installation and curing.
bility of regulatory limitations prior to use.
4.2 The materials are processed into a form suitable for
installation by a pneumatic method.
2. Referenced Documents
4.3 The adhesive may be added to the product at the time of
2.1 ASTM Standards:
manufacture or at the time of installation by means of a liquid
C 167 Test Methods for Thickness and Density of Blanket
2 spray.
or Batt Thermal Insulations
C 168 Terminology Relating to Thermal Insulating Materi-
5. Physical and Chemical Properties
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als
5.1 Density—The density of conditioned stabilized insula-
C 739 Specification for Cellulosic Fiber (Wood-Base)
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tion in lb/ft (kg/m ) shall be determined in accordance with
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Loose-Fill Thermal Insulation
Section 7.
C 1149 Specification for Self-Supported Spray Applied Cel-
2 5.2 Corrosiveness—The loose-fill insulation material shall
lulosic Thermal Insulation
be tested for corrosiveness in accordance with Section 8. The
C 1304 Test Method for Assessing the Odor Emission of
2 composition of the insulation material shall be such that after
Thermal Insulation Materials
testing, no perforation of the 0.003 in. (0.076 mm) metal
C 1338 Test Method for Determining Fungi Resistance of
specimens shall be evident when the specimens are observed
over a 40-W appliance light bulb. Notches extending into the
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coupon 0.1 in. (3 mm) or less from any edge shall be ignored.
This specification is under the jurisdiction of ASTM Committee C16 on
Thermal Insulation and is the direct responsibility of Subcommittee C16.23 on
Blanket and Loose-Fill Insulation.
Current edition approved April 10, 2001. Published June 2001.
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Annual Book of ASTM Standards, Vol 04.06. Annual Book of ASTM Standards, Vol 04.07.
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C1497–01
5.3 Critical Radiant Flux—When tested in accordance with this product shall be done using specimens having the density
Section 9, the critical radiant flux shall be equal to or greater determined by the drop box method described in this section.
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than 0.11 Btu/ft ·s (0.12 W/cm ). All values shall be reported to
7.1.3 Apparatus:
two significant digits.
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