ASTM C1015-17

Standard Practice for Installation of Cellulosic and Mineral Fiber Loose-Fill Thermal Insulation

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 Improper installation of insulation can reduce its thermal effectiveness, cause fire risks and other unsafe conditions, and promote deterioration for the structure in which it is installed. Specific hazards that can result from improper installation include fires caused by (1) heat build-up in recessed lighting fixtures; (2) deterioration or failure of electrical wiring components; (3) heat build-up resulting from overcurrent protection devices incorrectly matched to wiring; or (4) deterioration in wood structures and paint failure due to moisture accumulation.  
4.3 This practice provides general procedures that will help ensure the installation of insulation in a safe and effective manner. It must be noted that actual conditions in existing buildings vary greatly, and in some cases substantial additional care and precaution must be taken to ensure effective and safe installation.
SCOPE
1.1 This practice covers procedures for the installation of cellulosic and mineral fiber loose-fill insulation in ceilings, attics, and floor and wall cavities of new or existing housing and other framed buildings.  
1.2 This practice applies only to the installation of dry loose-fill thermal insulation consisting of cellulosic materials or mineral fiber by pneumatic or pouring application.  
1.3 This practice covers the installation process from pre-installation inspection through post-installation procedure. It does not cover the production of the insulation materials.  
1.4 This practice is not intended to replace the manufacturer's installation instructions, but shall be used in conjunction with such instructions. This practice is not intended to supersede local, state, or federal codes.  
1.5 This practice assumes that the installer possesses a good working knowledge of the 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 residential construction that affect the installation of insulation.  
1.6 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.  
1.7 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. For specific precautionary statements, see Section 5.

General Information

• Status: Published
• Publication Date: 14-Mar-2017
• ICS: 91.100.60 - Thermal and sound insulating materials
• Technical Committee: C16 - Thermal Insulation
• Drafting Committee: C16.23 - Blanket and Loose Fill Insulation

Relations

• Replaces: ASTM C1015-06(2011)e1 - Standard Practice for Installation of Cellulosic and Mineral Fiber Loose-Fill Thermal Insulation
• Effective Date: 15-Mar-2017
• Refers: ASTM C168-24 - Standard Terminology Relating to Thermal Insulation
• Effective Date: 15-Apr-2024
• Refers: ASTM C739-24 - Standard Specification for Cellulosic Fiber Loose-Fill Thermal Insulation
• Effective Date: 01-Mar-2024
• Refers: ASTM C755-20 - Standard Practice for Selection of Water Vapor Retarders for Thermal Insulation
• Effective Date: 01-Mar-2020
• Refers: ASTM C755-19b - Standard Practice for Selection of Water Vapor Retarders for Thermal Insulation
• Effective Date: 15-Oct-2019
• Refers: ASTM C755-19a - Standard Practice for Selection of Water Vapor Retarders for Thermal Insulation
• Effective Date: 01-Sep-2019
• Refers: ASTM C764-19 - Standard Specification for Mineral Fiber Loose-Fill Thermal Insulation
• Effective Date: 01-Sep-2019
• Refers: ASTM C755-19 - Standard Practice for Selection of Water Vapor Retarders for Thermal Insulation
• Effective Date: 15-Apr-2019
• Refers: ASTM C168-18 - Standard Terminology Relating to Thermal Insulation
• Effective Date: 15-Apr-2018
• Refers: ASTM C764-17 - Standard Specification for Mineral Fiber Loose-Fill Thermal Insulation
• Effective Date: 01-Sep-2017
• Refers: ASTM C168-17 - Standard Terminology Relating to Thermal Insulation
• Effective Date: 01-Jun-2017
• Refers: ASTM C168-15a - Standard Terminology Relating to Thermal Insulation
• Effective Date: 15-Oct-2015
• Refers: ASTM C755-10(2015) - Standard Practice for Selection of Water Vapor Retarders for Thermal Insulation
• Effective Date: 01-Sep-2015
• Refers: ASTM C755-10(2015)e1 - Standard Practice for Selection of Water Vapor Retarders for Thermal Insulation
• Effective Date: 01-Sep-2015
• Refers: ASTM C168-15 - Standard Terminology Relating to Thermal Insulation
• Effective Date: 01-Jun-2015

Overview

ASTM C1015-17, titled Standard Practice for Installation of Cellulosic and Mineral Fiber Loose-Fill Thermal Insulation, is a crucial guideline developed by ASTM International. This standard provides best practices for installing dry loose-fill thermal insulation composed of cellulosic or mineral fiber materials. It is specifically designed for use in ceilings, attics, floor and wall cavities in both new and existing framed buildings. The document addresses the significance of proper installation to ensure the insulation's efficiency, safety, and long-term durability, while also preventing common risks and structural issues.

Key Topics

• Proper Installation Techniques
  The standard outlines general procedures for the safe and effective installation of cellulosic and mineral fiber loose-fill insulation, including steps from pre-installation inspection to post-installation checks.
• Safety Considerations
  Emphasizes the importance of following manufacturer safety instructions, wearing appropriate protective equipment, and adhering to local, state, and federal codes.
• Potential Hazards from Incorrect Installation
  Highlights risks such as reduced thermal performance, increased fire hazards from improper clearance around electrical components, and moisture-related damage to building structures.
• Pre-installation Preparation
  Includes instructions to inspect and plan for blocking around heat-producing devices, provide sufficient ventilation, and ensure all electrical systems are in good condition before installing insulation.
• Post-installation Procedures
  Details the need to inspect insulation coverage, ensure all voids are filled, and provide documentation of the installation specifying thickness, R-value, and coverage area.

Applications

ASTM C1015-17 is applicable to a wide range of construction and retrofit projects where loose-fill thermal insulation is being installed:

• Residential Housing
  • Ideal for both new homes and retrofitting existing buildings, ensuring improved energy efficiency and comfort.
• Commercial and Light Frame Structures
  • Suitable for framed buildings requiring effective attic, ceiling, floor, or wall insulation.
• Energy Efficiency Upgrades
  • Ensures insulation meets required R-values and achieves maximum performance.
• Building Safety and Code Compliance
  • Assists installers in meeting national and local building codes and safety regulations.

Following ASTM C1015-17 ensures that cellulosic and mineral fiber loose-fill insulation delivers optimal thermal performance, minimizes fire and moisture risks, and prolongs the integrity of building structures.

Related Standards

This standard should be used in conjunction with related ASTM, NFPA, and ICC codes, including:

• ASTM C168 - Terminology Relating to Thermal Insulation
• ASTM C739 - Specification for Cellulosic Fiber Loose-Fill Thermal Insulation
• ASTM C764 - Specification for Mineral Fiber Loose-Fill Thermal Insulation
• ASTM C755 - Practice for Selection of Water Vapor Retarders for Thermal Insulation
• NFPA 31, NFPA 54, NFPA 70, NFPA 211
  Various fire and electrical safety codes affecting insulation installation
• International Residential Code (IRC)
• FTC Trade Regulation Rule 16 CFR 460 - Labeling and Advertising of Home Insulation

By adhering to ASTM C1015-17 and the referenced codes, installers and building professionals can achieve safe, compliant, and efficient thermal insulation performance in a variety of building projects.

Keywords: ASTM C1015, loose-fill insulation, cellulosic insulation, mineral fiber insulation, thermal insulation, building codes, installation standard, residential insulation, safety, construction compliance.

Standards Content (Sample)

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.
Designation: C1015 − 17
Standard Practice for
Installation of Cellulosic and Mineral Fiber Loose-Fill
Thermal Insulation
This standard is issued under the fixed designation C1015; 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.
This standard has been approved for use by agencies of the U.S. Department of Defense.
1. Scope 2. Referenced Documents
2.1 ASTM Standards:
1.1 This practice covers procedures for the installation of
C168Terminology Relating to Thermal Insulation
cellulosic and mineral fiber loose-fill insulation in ceilings,
C739Specification for Cellulosic Fiber Loose-Fill Thermal
attics, and floor and wall cavities of new or existing housing
Insulation
and other framed buildings.
C755Practice for Selection of Water Vapor Retarders for
1.2 This practice applies only to the installation of dry
Thermal Insulation
loose-fill thermal insulation consisting of cellulosic materials
C764Specification for Mineral Fiber Loose-Fill Thermal
or mineral fiber by pneumatic or pouring application.
Insulation
2.2 NFPA Standards:
1.3 This practice covers the installation process from pre-
installation inspection through post-installation procedure. It NFPA31StandardfortheInstallationofOilBurningEquip-
does not cover the production of the insulation materials. ment
NFPA 54National Fuel Gas Code
1.4 This practice is not intended to replace the manufactur-
NFPA 70National Electrical Code
er’s installation instructions, but shall be used in conjunction
NFPA 211Standard for Chimneys, Fireplaces, Vents and
with such instructions. This practice is not intended to super-
Solid-Fuel Burning Appliances
sede local, state, or federal codes.
2.3 ICC Document:
1.5 Thispracticeassumesthattheinstallerpossessesagood
International Residential Code2003
working knowledge of the applicable codes and regulations,
2.4 Federal Standard:
safety practices, tools, equipment, and methods necessary for
FTC Trade Regulation Rule 16 CRF 460Labeling and
the installation of thermal insulation materials. It also assumes
Advertising of Home Insulation
that the installer understands the fundamentals of residential
construction that affect the installation of insulation. 3. Terminology
3.1 Definitions—For definitions of terms used in this
1.6 The values stated in inch-pound units are to be regarded
practice, see Terminology C168.
as standard. The values given in parentheses are mathematical
conversions to SI units that are provided for information only
3.2 Definitions of Terms Specific to This Standard:
and are not considered standard.
3.2.1 installer—the person or persons who apply thermal
insulationmaterialsinresidentialbuildingswhetherornotsuch
1.7 This standard does not purport to address all of the
person or persons have contracted with the owner to perform
safety concerns, if any, associated with its use. It is the
the work.
responsibility of the user of this standard to establish appro-
priate safety and health practices and determine the applica-
bility of regulatory limitations prior to use. For specific
For referenced ASTM standards, visit the ASTM website, www.astm.org, or
precautionary statements, see Section 5.
contact ASTM Customer Service at [e-mail]. 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
This practice is under the jurisdiction of ASTM Committee C16 on Thermal Park, Quincy, MA 02169-7471, http://www.nfpa.org.
Insulation and is the direct responsibility of Subcommittee C16.23 on Blanket and Available from International Code Council (ICC), 500 New Jersey Ave., NW,
Loose Fill Insulation. 6th Floor, Washington, DC 20001, http://www.iccsafe.org.
Current edition approved March 15, 2017. Published March 2017. Originally Federal Register Vol 70, No 103, May 31, 2005. Available from National
ɛ1
approved in 1984. Last previous edition approved in 2011 as C1015–06 (2011) . Archives and RecordsAdministration, 8601Adelphi Road, College Park Maryland,
DOI: 10.1520/C1015-17. 20740–6001.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
C1015 − 17
3.2.2 cellulosic loose-fill thermal insulating materials— 5.3 In areas where insulation will be installed, components
those materials that meet the minimum requirements specified of the electrical system shall be in good condition. If the
electricalsystemisfaulty,properinspectionandrepairmustbe
in Specification C739.
none.
3.2.3 conditioned space—a space in a residential building
NOTE2—TheConsumerProductSafetyCommission hasidentifiedthe
that is served by a heating or cooling system.
following signs of potential electrical deficiencies: Lights dimming, fuses
3.2.4 mineral fiber loose-fill thermal insulating materials—
blowing,circuitbreakerstrippingfrequently,electricalsparksandglowing
those materials that meet the minimum requirements specified fromreceptacles,lightsflickering,andcoverplatesonswitchesandoutlets
that are warm or hot to the touch.
in Specification C764.
6. Pre-Installation Preparation
3.2.5 owner—the person, partnership, corporation, agency,
or other entity who owns the residential building to be
6.1 In the areas where insulation will be installed, the
insulated whether such ownership is by virtue of deed,
installer shall locate and plan for subsequent blocking around
contract, or any other instrument for acquiring legal title under
recessed lighting fixtures, motors, fans, blowers, heaters, flues,
the laws of the state in which the building is located.
chimneys, and other heat-producing electrical or mechanical
devices.
3.2.6 residential building—a building used for residential
6.1.1 Install blocking, such as wood, metal, or unfaced
occupancy and that has a mechanical or electrical system for
mineral wool batts, securely fastened in place around all
heating or for cooling, or for both.
heat-producing devices to exclude loose fill insulation and
3.2.7 vapor retarder—a material (membrane or paint) that
permanently maintain the clearances specified in 6.1.2 and
–8
has a water vapor permeance rating of 1 perm (5.7 × 10 /
6.1.3, or the exception in 6.1.5. Install all required blocking at
Pa·s·m ) or less. See Practice C755 for more information on
least as high as the height of the finished insulation and in a
vapor retarders.
mannerthatensuresthatalldevicesthatrequiremaintenanceor
servicing remain accessible after the insulation is installed.
4. Significance and Use
6.1.2 Install blocking to provide a 3-in. (75-mm) minimum
clearance around all sides of recessed lighting fixtures, unless
4.1 This practice recognizes that effectiveness, safety, and
suchfixturesareapprovedforinstallationindirectcontactwith
durability of insulation depend not only on the quality of the
insulation (IC rated), including fixture wiring compartments
insulating materials, but also on their proper installation.
and ballasts, and ot
...

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.
´1
Designation: C1015 − 06 (Reapproved 2011) C1015 − 17
Standard Practice for
Installation of Cellulosic and Mineral Fiber Loose-Fill
Thermal Insulation
This standard is issued under the fixed designation C1015; 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.
This standard has been approved for use by agencies of the U.S. Department of Defense.
ε NOTE—Note 1 was editorially revised in December 2011.
1. Scope
1.1 This practice covers procedures for the installation of cellulosic and mineral fiber loose-fill insulation in ceilings, attics, and
floor and wall cavities of new or existing housing and other framed buildings.
1.2 This practice applies only to the installation of dry loose-fill thermal insulation consisting of cellulosic materials or mineral
fiber by pneumatic or pouring application.
1.3 This practice covers the installation process from pre-installation inspection through post-installation procedure. It does not
cover the production of the insulation materials.
1.4 This practice is not intended to replace the manufacturer’s installation instructions, but shall be used in conjunction with
such instructions. This practice is not intended to supersede local, state, or federal codes.
1.5 This practice assumes that the installer possesses a good working knowledge of the 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 residential construction that affect the installation of insulation.
1.6 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.
1.7 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. For specific precautionary statements, see Section 5.
2. Referenced Documents
2.1 ASTM Standards:
C168 Terminology Relating to Thermal Insulation
C739 Specification for Cellulosic Fiber Loose-Fill Thermal Insulation
C755 Practice for Selection of Water Vapor Retarders for Thermal Insulation
C764 Specification for Mineral Fiber Loose-Fill Thermal Insulation
2.2 NFPANFPA Standards:
NFPA 31 Standard for the Installation of Oil Burning Equipment
NFPA 54 National Fuel Gas Code
NFPA 70 National Electrical Code
NFPA 211 Standard for Chimneys, Fireplaces, Vents and Solid-Fuel Burning Appliances
2.3 ICCICC Document:
International Residential Code 2003
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, 2006March 15, 2017. Published December 2011March 2017. Originally approved in 1984. Last previous edition approved in 20062011
ɛ1
as C1015 – 06.C1015 – 06 (2011) . DOI: 10.1520/C1015-06R11E01.10.1520/C1015-17.
For referenced ASTM standards, visit the ASTM website, www.astm.org, or contact ASTM Customer Service at [e-mail]. 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, http://www.iccsafe.org.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
C1015 − 17
2.4 FederalFederal Standard:
FTC Trade Regulation Rule 16 CRF 460,460 Labeling and Advertising of Home Insulation
3. Terminology
3.1 Definitions—For definitions of terms used in this practice, see Terminology C168.
3.2 Definitions of Terms Specific to This Standard:
3.2.1 installer—the person or persons who apply thermal insulation materials in residential buildings whether or not such person
or persons have contracted with the owner to perform the work.
3.2.2 cellulosic loose-fill thermal insulating materials—those materials that meet the minimum requirements specified in
Specification C739.
3.2.3 conditioned space—a space in a residential building that is served by a heating or cooling system.
3.2.4 mineral fiber loose-fill thermal insulating materials—those materials that meet the minimum requirements specified in
Specification C764.
3.2.5 owner—the person, partnership, corporation, agency, or other entity who owns the residential 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.
3.2.6 residential building—a building used for residential occupancy and that has a mechanical or electrical system for heating
or for cooling, or for both.
3.2.7 vapor retarder—a material (membrane or paint) that has a water vapor permeance rating of 1 perm (5.7 ×10×
-8–8 2
10 /Pa·s·m ) or less. See Practice C755 for more information on vapor retarders.
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 Improper installation of insulation can reduce its thermal effectiveness, cause fire risks and other unsafe conditions, and
promote deterioration for the structure in which it is installed. Specific hazards that can result from improper installation include
fires caused by (1) heat build-up in recessed lighting fixtures; (2) deterioration or failure of electrical wiring components; (3) heat
build-up resulting from overcurrent protection devices incorrectly matched to wiring; or (4) deterioration in wood structures and
paint failure due to moisture accumulation.
4.3 This practice provides general procedures that will help ensure the installation of insulation in a safe and effective manner.
It must be noted that actual conditions in existing buildings vary greatly, and in some cases substantial additional care and
precaution must be taken to ensure effective and safe installation.
5. Safety Precautions
5.1 All pneumatic equipment shall be operated in accordance with the recommended operating and safety procedures of the
equipment manufacturer and the insulation manufacturer.
5.2 The installer shall wear proper clothing and equipment as recommended by the insulation manufacturer. If in doubt of the
effects of the insulation, wear protective clothing, gloves, eye and breathing protection.
NOTE 1—For breathing protection use a NIOSH approved N95 or higher disposable or reusable particulate respirator.
5.3 In areas where insulation will be installed, components of the electrical system shall be in good condition. If the electrical
system is faulty, proper inspection and repair must be none.
NOTE 2—The Consumer Product Safety Commission has identified the following signs
...