ASTM C1320-99(2004)e1
(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
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 manufacturers' installation instructions, 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 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 and health practices and determine the applicability of regulatory limitations prior to use.
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Designation:C1320–99 (Reapproved 2004)
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 (e) indicates an editorial change since the last revision or reapproval.
e NOTE—Sections 2.2, 6.2, 6.5 and 8.5 were editorially corrected in July 2004.
1. Scope C665 Specification for Mineral-Fiber Blanket Thermal In-
sulation 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,
C755 PracticeforSelectionofVaporRetardersforThermal
attics, floors, and walls of new or existing housing and other
Insulation
light frame construction.
D3833 Test Method for Water Vapor Transmission of
1.2 This practice covers the installation process from pre-
Pressure-Sensitive Tapes
installation inspection through post-installation inspection. It
E84 Test 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 manufacturers’
2.2 Other Standards:
installationinstructions,butitshallbeusedinconjunctionwith
NFPA-31 Standard for the Installation of Oil Burning
such instructions. This practice is not intended to supersede
Equipment
local, state, or federal codes.
NFPA-54 National Fuel Gas Code
1.4 This practice assumes that the installer possesses a
NFPA-70 National Electric Code
workingknowledgeofapplicablecodesandregulations,safety
NFPA-211 Standard for Chimneys, Fireplaces,Vents and
practices, tools, equipment, and methods necessary for the
Solid-Fuel Burning Appliances
installationofthermalinsulationmaterials.Italsoassumesthat
ICC International Residential Code
the installer understands the fundamentals of construction that
CPSC Product Safety Fact Sheet No. 18, “The Home
affect the installation of insulation.
Electrical System”
1.5 The values stated in inch-pound units are to be regarded
as the standard. The values given in parentheses are for
3. Terminology
information only.
3.1 Definitions—Definitions relating to thermal insulation
1.6 This standard does not purport to address all of the
in Terminology C168 apply to terms used in this practice.
safety concerns, if any, associated with its use. It is the
3.2 Description of Terms Specific to This Standard:
responsibility of the user of this standard to establish appro-
3.2.1 conditioned space—space in a building that is served
priate safety and health practices and determine the applica-
by a heating or cooling system.
bility of regulatory limitations prior to use.
3.2.2 installer—the person or persons who apply thermal
2. Referenced Documents insulation materials in buildings whether or not such person or
persons have contracted with the owner to perform the work.
2.1 ASTM Standards:
3.2.3 mineral fiber batt and blanket thermal insulating
C168 Terminology Relating to Thermal Insulation
materials—those materials that meet the minimum require-
ments set forth in Specification C665.
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 May 1, 2004. Published May 2004. Originally Available from National Fire Protection Association, 1 Batterymarch Park,
approved in 1995. Last previous edition approved in 1999 as C1320–99. Quincy, MA 02169.
2 4
For referenced ASTM standards, visit the ASTM website, www.astm.org, or Available from International Code Council, 5203 Leesburg Pike, Suite 600,
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM Falls Church, VA 22041.
Available from U.S. Consumer Product Safety Commission, Washington, DC
Standards volume information, refer to the standard’s Document Summary page on
the ASTM website. 20207.
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C1320–99 (2004)
3.2.4 owner—the person, partnership, corporation, agency, 7. Installation Procedures
or other entity who owns the building to be insulated whether
7.1 General:
such ownership is by virtue of deed, contract, or any other
7.1.1 Handle the insulation material in accordance with the
instrument for acquiring legal title under the laws of the State
manufacturer’s instructions and keep free of extraneous mate-
in which the building is located.
rials. Keep materials dry, off the ground, and protected from
3.2.5 vapor retarder—membrane or tape that has a water
−11
water.
vapor permeance (perm) rating of 1 perm (5.7 310
−1
−1 −2
7.1.2 It is difficult to describe every situation that will be
kg·Pa ·s ·m ) or less as defined in Practice C755 or Test
encounteredbytheinsulationinstaller.Ingeneral,however,the
Method D3833 respectively.
installer should be guided by the need to reduce heat flow
around or through obstructions and to protect mechanical
4. Significance and Use
systems. Wherever insulation is installed in a building, it is
4.1 This practice recognizes that effectiveness, safety, and
very important that it fit snugly on all sides. If the insulation is
durability of insulation depend not only on the quality of the
too long for a space, cut it to the correct size. If it is too short,
insulating materials but also on their proper installation.
cut a piece to fill the void.
4.2 This practice provides general procedures that will help
7.1.3 Install the insulation in such a way that the thickness
to ensure installation of insulation in a safe and effective
specified by the manufacturer is met or exceeded. Avoid
manner. It shall be noted that actual conditions in existing
compression of the insulation where ever possible. Failure to
buildings vary greatly and in some cases additional care shall
achieve the manufacturer’s labeled thickness will reduce the
be taken to ensure effective and safe installation.
R-value.
5. Safety Precautions
7.1.4 When a vapor retarder facing is provided with the
insulation,itcanbepressurefitwithnostaplingorfacestapled
5.1 The installer shall wear proper clothing and equipment
or inset stapled. Both inset and face staple methods are widely
as recommended by the insulation manufacturer.
used and are acceptable procedures. Inset stapling is usually
5.2 In areas where insulation is to be installed, components
preferred by the wall finish trades because it allows adhesive
of the electrical system shall be in good condition. If there is
applicationofthewallboard.Someareasrequirefacestapling.
reason to believe the electrical system is faulty, do not install
Always check the local code requirements.
insulation in such areas until the owner has been informed and
repair has been accomplished.
7.1.4.1 Position the vapor retarder toward the winter-warm
side, except in a hot, humid climate where local requirements
NOTE 1—TheCPSCProductSafetyFactSheetNo.18hasidentifiedthe
or practices differ regarding the placement of vapor retarders.
following signs of electrical deficiencies: lights dimming, fuses blowing,
circuit breakers tripping frequently, electrical sparks and “glowing” from
7.1.4.2 High performance batts such as R13, R15, R21,
receptacles, light flickering, and coverplates on switches and outlets that
R22, R30C, or R38C may not have to be stapled in place. The
are warm or hot to the touch.
higher density of these products helps hold them in place
without a measurable loss in the moisture protection of the
6. Pre-installation Inspection and Preparation
vaporretarder.Makesuretheinsulationfacingisflushwiththe
6.1 Inspect the roof, walls, ceilings, and attic floors to
face of the stud.The insulation shall fit snugly at the sides and
identify areas where previous or existing moisture problems
ends.
have caused paint peeling, warpage, staining, visible fungus
7.1.4.3 When inset stapling, gently press the insulation at
growth, rotting, or other structural damage. Do not install
the sides of the framing cavity, usually about ⁄4 in. (19 mm),
insulation in such areas until the owner has been informed and
until the outside of the flange is fl
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