ASTM C1320-10(2016)
(Practice)Standard Practice for Installation of Mineral Fiber Batt and Blanket Thermal Insulation for Light Frame Construction
Standard Practice for Installation of Mineral Fiber Batt and Blanket Thermal Insulation for Light Frame Construction
SIGNIFICANCE AND USE
4.1 This practice recognizes that effectiveness, safety, and durability of insulation depend not only on the quality of the insulating materials but also on their proper installation.
4.2 This practice provides general procedures that will help to ensure installation of insulation in a safe and effective manner. It shall be noted that actual conditions in existing buildings vary greatly and in some cases additional care shall be taken to ensure effective and safe installation.
SCOPE
1.1 This practice covers procedures for the installation of mineral fiber batt and blanket thermal insulation in ceilings, attics, floors, and walls of new or existing housing and other light frame construction.
1.2 This practice covers the installation process from pre-installation inspection through post-installation inspection. It does not cover the production of the insulation materials.
1.3 This practice is not intended to replace installation instructions by manufacturers, but it shall be used in conjunction with such instructions. This practice is not intended to supersede local, state, or federal codes.
1.4 This practice assumes that the installer possesses a working knowledge of applicable codes and regulations, safety practices, tools, equipment, and methods necessary for the installation of thermal insulation materials. It also assumes that the installer understands the fundamentals of construction that affect the installation of insulation.
1.5 The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard.
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 and health practices and determine the applicability of regulatory limitations prior to use.
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Designation: C1320 − 10 (Reapproved 2016)
Standard Practice for
Installation of Mineral Fiber Batt and Blanket Thermal
Insulation for Light Frame Construction
This standard is issued under the fixed designation C1320; 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 (´) indicates an editorial change since the last revision or reapproval.
1. Scope C665Specification for Mineral-Fiber BlanketThermal Insu-
lation for Light Frame Construction and Manufactured
1.1 This practice covers procedures for the installation of
Housing
mineral fiber batt and blanket thermal insulation in ceilings,
C755Practice for Selection of Water Vapor Retarders for
attics, floors, and walls of new or existing housing and other
Thermal Insulation
light frame construction.
D3833/D3833MTest Method for Water Vapor Transmission
1.2 This practice covers the installation process from pre-
of Pressure-Sensitive Tapes
installation inspection through post-installation inspection. It
E84Test Method for Surface Burning Characteristics of
does not cover the production of the insulation materials.
Building Materials
1.3 This practice is not intended to replace installation
2.2 Other Standards:
instructions by manufacturers, but it shall be used in conjunc-
NFPA-31 Standard for the Installation of Oil Burning
tion with such instructions. This practice is not intended to
Equipment
supersede local, state, or federal codes.
NFPA-54National Fuel Gas Code
NFPA-70National Electric Code
1.4 This practice assumes that the installer possesses a
NFPA-211Standard for Chimneys, Fireplaces,Vents and
workingknowledgeofapplicablecodesandregulations,safety
Solid-Fuel Burning Appliances
practices, tools, equipment, and methods necessary for the
ICC International Residential Code
installationofthermalinsulationmaterials.Italsoassumesthat
CPSC Product Safety Fact Sheet No. 518“The Home
the installer understands the fundamentals of construction that
Electrical System”
affect the installation of insulation.
1.5 The values stated in inch-pound units are to be regarded
3. Terminology
as standard. The values given in parentheses are mathematical
3.1 Definitions—Definitions relating to thermal insulation
conversions to SI units that are provided for information only
in Terminology C168 apply to terms used in this practice.
and are not considered standard.
3.2 Description of Terms Specific to This Standard:
1.6 This standard does not purport to address all of the
3.2.1 conditioned space—space in a building that is served
safety concerns, if any, associated with its use. It is the
by a heating or cooling system.
responsibility of the user of this standard to establish appro-
3.2.2 installer—the person or persons who apply thermal
priate safety and health practices and determine the applica-
insulation materials in buildings whether or not such person or
bility of regulatory limitations prior to use.
persons have contracted with the owner to perform the work.
2. Referenced Documents
3.2.3 mineral fiber batt and blanket thermal insulating
materials—those materials that meet the minimum require-
2.1 ASTM Standards:
ments set forth in Specification C665.
C168Terminology Relating to Thermal Insulation
3.2.4 owner—the person, partnership, corporation, agency,
or other entity who owns the building to be insulated whether
This practice is under the jurisdiction of ASTM Committee C16 on Thermal
such ownership is by virtue of deed, contract, or any other
Insulation and is the direct responsibility of Subcommittee C16.23 on Blanket and
Loose Fill Insulation.
Current edition approved March 1, 2016. Published March 2016. Originally
approved in 1995. Last previous edition approved in 2010 as C1320–10. DOI: Available from National Fire Protection Association (NFPA), 1 Batterymarch
10.1520/C1320-10R16. Park, Quincy, MA 02169-7471, http://www.nfpa.org.
2 4
For referenced ASTM standards, visit the ASTM website, www.astm.org, or Available from International Code Council (ICC), 500 New Jersey Ave., NW,
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM 6th Floor, Washington, DC 20001-2070, http://www.iccsafe.org.
Standards volume information, refer to the standard’s Document Summary page on AvailablefromU.S.ConsumerProductSafetyCommission(CPSC),4330East
the ASTM website. West Hwy., Bethesda, MD 20814, http://www.cpsc.gov.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
C1320 − 10 (2016)
instrument for acquiring legal title under the laws of the State 7. Installation Procedures
in which the building is located.
7.1 General:
3.2.5 vapor retarder—membrane or tape that has a water
7.1.1 Handle the insulation material in accordance with the
−11
vapor permeance (perm) rating of 1 perm (5.7×10
manufacturer’s instructions and keep free of extraneous mate-
−1
−1 −2
kg·Pa ·s ·m ) or less as defined in Practice C755 or Test
rials. Keep materials dry, off the ground, and protected from
Method D3833/D3833M respectively.
water.
7.1.2 It is difficult to describe every situation that will be
4. Significance and Use
encounteredbytheinsulationinstaller.Ingeneral,however,the
installershallbeguidedbytheneedtoreduceheatflowaround
4.1 This practice recognizes that effectiveness, safety, and
or through obstructions and to protect mechanical systems.
durability of insulation depend not only on the quality of the
Wherever insulation is installed in a building, it is very
insulating materials but also on their proper installation.
important that it fit snugly on all sides. If the insulation is too
4.2 This practice provides general procedures that will help
long for a space, cut it to the correct size. If it is too short, cut
to ensure installation of insulation in a safe and effective
a piece to fill the void.
manner. It shall be noted that actual conditions in existing
7.1.3 Install the insulation in such a way that the thickness
buildings vary greatly and in some cases additional care shall
specified by the manufacturer is met or exceeded. Avoid
be taken to ensure effective and safe installation.
compression of the insulation where ever possible. Failure to
achieve the manufacturer’s labeled thickness will reduce the
5. Safety Precautions
R-value.
5.1 The installer shall wear proper clothing and equipment
7.1.4 When a vapor retarder facing is provided with the
as recommended by the insulation manufacturer.
insulation,itcanbepressurefitwithnostaplingorfacestapled
or inset stapled. Both inset and face staple methods are widely
5.2 In areas where insulation is to be installed, components
used and are acceptable procedures. Inset stapling is usually
of the electrical system shall be in good condition. If there is
preferred by the wall finish trades because it allows adhesive
reason to believe the electrical system is faulty, do not install
applicationofthewallboard.Someareasrequirefacestapling.
insulation in such areas until the owner has been informed and
Always check the local code requirements.
repair has been accomplished.
7.1.4.1 Position the vapor retarder toward the winter-warm
NOTE 1—The CPSC Product Safety Fact Sheet No. 518 has identified
side, except in a hot, humid climate where local requirements
the following signs of electrical deficiencies: lights dimming, fuses
or practices differ regarding the placement of vapor retarders.
blowing, circuit breakers tripping frequently, electrical sparks and “glow-
7.1.4.2 FrictionfitbattssuchasR13,R15,R21,R22,R30C,
ing” from receptacles, light flickering, and coverplates on switches and
outlets that are warm or hot to the touch. or R38C as well as kraft faced batts without attached stapling
flanges do not have to be stapled in place. The higher density
6. Pre-installation Inspection and Preparation
or increased glass batt width of these products helps hold them
inplacewithoutameasurablelossinthemoistureprotectionof
6.1 Inspect the roof, walls, ceilings, and attic floors to
thevaporretarder.Makesuretheinsulationfacingisflushwith
identify areas where previous or existing moisture problems
the face of the stud. The insulation shall fit snugly at the sides
have caused paint peeling, warpage, staining, visible fungus
and ends.
growth, rotting, or other structural damage. Do not install
7.1.4.3 When inset stapling, gently press the insulation at
insulation in such areas until the owner has been informed and
the sides of the framing cavity, usually about ⁄4 in. (19 mm),
hascertifiedthattheseconditionshavebeencorrectedandtheir
until the outside of the flange is flush with the face of the
source(s) of moisture eliminated.
framing. When inset stapling between inclined or vertical
6.2 Provideproperatticventilationinaccordancewithlocal
framing members, as in cathedral ceilings or walls, start
building requirements or practices, such as the ICC Interna-
stapling at the top and work down. Use enough staples to hold
tional Residential Code.
the insul
...
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: C1320 − 10 C1320 − 10 (Reapproved 2016)
Standard Practice for
Installation of Mineral Fiber Batt and Blanket Thermal
Insulation for Light Frame Construction
This standard is issued under the fixed designation C1320; 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 procedures for the installation of mineral fiber batt and blanket thermal insulation in ceilings, attics,
floors, and walls of new or existing housing and other light frame construction.
1.2 This practice covers the installation process from pre-installation inspection through post-installation inspection. It does not
cover the production of the insulation materials.
1.3 This practice is not intended to replace installation instructions by manufacturers, but it shall be used in conjunction with
such instructions. This practice is not intended to supersede local, state, or federal codes.
1.4 This practice assumes that the installer possesses a working knowledge of applicable codes and regulations, safety practices,
tools, equipment, and methods necessary for the installation of thermal insulation materials. It also assumes that the installer
understands the fundamentals of construction that affect the installation of insulation.
1.5 The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical
conversions to SI units that are provided for information only and are not considered standard.
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 and health practices and determine the applicability of regulatory
limitations prior to use.
2. Referenced Documents
2.1 ASTM Standards:
C168 Terminology Relating to Thermal Insulation
C665 Specification for Mineral-Fiber Blanket Thermal Insulation for Light Frame Construction and Manufactured Housing
C755 Practice for Selection of Water Vapor Retarders for Thermal Insulation
D3833/D3833M Test Method for Water Vapor Transmission of Pressure-Sensitive Tapes
E84 Test Method for Surface Burning Characteristics of Building Materials
2.2 Other Standards:
NFPA-31 Standard for the Installation of Oil Burning Equipment
NFPA-54 National Fuel Gas Code
NFPA-70 National Electric Code
NFPA-211 Standard for Chimneys, Fireplaces,Vents and Solid-Fuel Burning Appliances
ICC International Residential Code
CPSC Product Safety Fact Sheet No. 518 “The Home Electrical System”
3. Terminology
3.1 Definitions—Definitions relating to thermal insulation in Terminology C168 apply to terms used in this practice.
3.2 Description of Terms Specific to This Standard:
This practice 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 Nov. 1, 2010March 1, 2016. Published November 2010March 2016. Originally approved in 1995. Last previous edition approved in 20092010
ε1
as C1320 – 05C1320 – 10.(2009) . DOI: 10.1520/C1320-10.10.1520/C1320-10R16.
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.
Available from National Fire Protection Association (NFPA), 1 Batterymarch Park, Quincy, MA 02169-7471, http://www.nfpa.org.
Available from International Code Council (ICC), 500 New Jersey Ave., NW, 6th Floor, Washington, DC 20001-2070, http://www.iccsafe.org.
Available from U.S. Consumer Product Safety Commission (CPSC), 4330 East West Hwy., Bethesda, MD 20814, http://www.cpsc.gov.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
C1320 − 10 (2016)
3.2.1 conditioned space—space in a building that is served by a heating or cooling system.
3.2.2 installer—the person or persons who apply thermal insulation materials in buildings whether or not such person or persons
have contracted with the owner to perform the work.
3.2.3 mineral fiber batt and blanket thermal insulating materials—those materials that meet the minimum requirements set forth
in Specification C665.
3.2.4 owner—the person, partnership, corporation, agency, or other entity who owns the building to be insulated whether such
ownership is by virtue of deed, contract, or any other instrument for acquiring legal title under the laws of the State in which the
building is located.
−11 −1 −1
3.2.5 vapor retarder—membrane or tape that has a water vapor permeance (perm) rating of 1 perm (5.7 × 10 kg·Pa ·s ·m
−2) or less as defined in Practice C755 or Test Method D3833/D3833M respectively.
4. Significance and Use
4.1 This practice recognizes that effectiveness, safety, and durability of insulation depend not only on the quality of the
insulating materials but also on their proper installation.
4.2 This practice provides general procedures that will help to ensure installation of insulation in a safe and effective manner.
It shall be noted that actual conditions in existing buildings vary greatly and in some cases additional care shall be taken to ensure
effective and safe installation.
5. Safety Precautions
5.1 The installer shall wear proper clothing and equipment as recommended by the insulation manufacturer.
5.2 In areas where insulation is to be installed, components of the electrical system shall be in good condition. If there is reason
to believe the electrical system is faulty, do not install insulation in such areas until the owner has been informed and repair has
been accomplished.
NOTE 1—The CPSC Product Safety Fact Sheet No. 518 has identified the following signs of electrical deficiencies: lights dimming, fuses blowing,
circuit breakers tripping frequently, electrical sparks and “glowing” from receptacles, light flickering, and coverplates on switches and outlets that are
warm or hot to the touch.
6. Pre-installation Inspection and Preparation
6.1 Inspect the roof, walls, ceilings, and attic floors to identify areas where previous or existing moisture problems have caused
paint peeling, warpage, staining, visible fungus growth, rotting, or other structural damage. Do not install insulation in such areas
until the owner has been informed and has certified that these conditions have been corrected and their source(s) of moisture
eliminated.
6.2 Provide proper attic ventilation in accordance with local building requirements or practices, such as the ICC International
Residential Code.
6.3 When the attic has soffit vents at the eaves, make provisions to prevent insulation from blocking the vents and restricting
attic ventilation.
6.4 Where insulation is to be installed beneath floors over crawl spaces or on crawl space walls, cover the ground surface with
a vapor retarder.
6.5 Provide proper crawl space ventilation in accordance with local building requirements or practices, such as the ICC
International Residential Code.
6.6 Inspect attic floors for openings that might permit entrance of air from conditioned spaces below. Do not install insulation
in such areas until the owner has been informed and has certified that these conditions have been corrected.
7. Installation Procedures
7.1 General:
7.1.1 Handle the insulation material in accordance with the manufacturer’s instructions and keep free of extraneous materials.
Keep materials dry, off the ground, and protected from water.
7.1.2 It is difficult to describe every situation that will be encountered by the insulation installer. In general, however, the
installer shall be guided by the need to reduce heat flow around or through obstructions and to protect mechanical systems.
Wherever insulation is installed in a building, it is very important that it fit snugly on all sides. If the insulation is too long for a
space, cut it to the correct size. If it is too short, cut a piece to fill the void.
7.1.3 Install the insulation in such a way that the thickness specified by the manufacturer is met or exceeded. Avoid compression
of the insulation where ever possible. Failure to achieve the manufacturer’s labeled thickness will reduce the R-value.
C1320 − 10 (2016)
7.1.4 When a vapor retarder facing is provided with the insulation, it can be pressure fit with no stapling or face stapled or inset
stapled. Both inset and face staple methods are widely used and are acceptable procedures. Inset stapling is usually preferred by
the wall finish trades because it allows adhesive application of the wall board. Some areas require face stapling. Always check the
local code requirements.
7.1.4.1 Position the vapor retarder toward the winter-warm side, except in a hot, humid climate whe
...
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