ASTM International

ASTM C1015 - 06(2011)e1 standard practice for installation of cellulosic and mineral fiber loose-fill thermal insulation


Source: ASTM International

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.

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.

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.

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.

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 .

2. Referenced Documents (purchase separately)

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

NFPA Standards

ICC Document

Federal Standard

Index Terms

cellulose; installation; light frame construction; loose fill; mineral fiber;

ICS Code

ICS Number Code 91.100.60 (Thermal and sound insulating materials)

DOI: 10.1520/C1015-06R11E01

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