ASTM C1071-98

Standard Specification for Fibrous Glass Duct Lining Insulation (Thermal and Sound Absorbing Material)

SCOPE
1.1 This specification covers fibrous glass insulation used as a thermal and sound absorbing liner for interior surfaces of ducts, plenums, and other air handling equipment that handle air up to 250oF (121oC).
1.2 The values stated in inch-pound units are the standard. The SI values in parentheses are for information only.
1.3

General Information

• Status: Historical
• Publication Date: 09-Dec-2000
• ICS: 91.120.10 - Thermal insulation of buildings
• ICS: 91.120.20 - Acoustics in building. Sound insulation
• Technical Committee: C16 - Thermal Insulation
• Drafting Committee: C16.23 - Blanket and Loose Fill Insulation

Relations

• Replaced By: ASTM C1071-00 - Standard Specification for Fibrous Glass Duct Lining Insulation (Thermal and Sound Absorbing Material)
• Effective Date: 10-Dec-2000
• Referred By: ASTM C1558-19 - Standard Guide for Development of Standard Data Records for Computerization of Thermal Transmission Test Data for Thermal Insulation
• Effective Date: 10-Dec-2000
• Referred By: ASTM C1534-22 - Standard Specification for Flexible Polymeric Foam Sheet Insulation Used as a Thermal and Sound Absorbing Liner for Duct Systems
• Effective Date: 10-Dec-2000

Standards Content (Sample)

NOTICE: This standard has either been superseded and replaced by a new version or discontinued.
Contact ASTM International (www.astm.org) for the latest information.
Designation: C 1071 – 98
AMERICAN SOCIETY FOR TESTING AND MATERIALS
100 Barr Harbor Dr., West Conshohocken, PA 19428
Reprinted from the Annual Book of ASTM Standards. Copyright ASTM
Standard Specification for
Fibrous Glass Duct Lining Insulation (Thermal and Sound
Absorbing Material)
This standard is issued under the fixed designation C 1071; 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.
1. Scope C 1304 Test Method for Assessing the Odor Emission of
Thermal Insulation Materials
1.1 This specification covers fibrous glass insulation used as
C 1338 Test Method for Determining Fungi Resistance of
a thermal and sound absorbing liner for interior surfaces of
Insulation Materials and Facings
ducts, plenums, and other air handling equipment that handle
E 84 Test Method for Surface Burning Characteristics of
air up to 250°F (121°C).
Building Materials
1.2 The values stated in inch-pound units are the stand-ard.
E 795 Practices for Mounting Test Specimens During
The SI values in parentheses are for information only.
Sound Absorption Tests
1.3 This standard does not purport to address all of the
2.2 Other Standards:
safety concerns, if any, associated with its use. It is the
NAIMA Fibrous Glass Duct Liner Standard
responsibility of the user of this standard to establish appro-
SMACNA HVAC Duct Construction Standards
priate safety and health practices and determine the applica-
bility of regulatory limitations prior to use.
3. Terminology
2. Referenced Documents 3.1 For definitions of terms used in this specification, see
Terminology C 168.
2.1 ASTM Standards:
C 167 Test Methods for Thickness and Density of Blanket
4. Classification
or Batt Thermal Insulations
4.1 The insulation covered by this specification shall be of
C 168 Terminology Relating to Thermal Insulating Materi-
2 the following types:
als
4.1.1 Type I—Blanket in roll form up to 200 ft (61 m) in
C 177 Test Method for Steady-State Heat Flux Measure-
length, 36 to 72 in. (914 to 1829 mm) in width, and thicknesses
ments and Thermal Transmission Properties by Means of
1 1
2 of ⁄2 to 3 in. (13 to 76 mm), in ⁄2-in. (13-mm) increments.
the Guarded-Hot-Plate Apparatus
4.1.2 Type II—Board in sheet form, up to 120 in. (3048 mm)
C 390 Criteria for Sampling and Acceptance of Preformed
2 in length, up to 48 in. (1219 mm) in width, and thicknesses of
Thermal Insulation Lots
1 1
⁄2 to 3 in. (13 to 76 mm) in ⁄2-in. (13-mm) increments.
C 411 Test Method for Hot-Surface Performance of High-
Temperature Thermal Insulation
5. Ordering Information
C 423 Test Method for Sound Absorption and Sound Ab-
2 5.1 Purchasers should select the preferred options permitted
sorption Coefficients by the Reverberation Room Method
herein and include the following information in procurement
C 518 Test Method for Steady-State Heat Flux Measure-
documents:
ments and Thermal Transmission Properties by Means of
2 5.1.1 Title, designation, and year of this specification.
the Heat Flow Meter Apparatus
5.1.2 Type of insulation (see 4.1).
C 665 Specification for Mineral-Fiber Blanket Thermal In-
5.1.3 Length, width, and thickness required (see 4.1).
sulation for Light Frame Construction and Manufactured
5.1.4 Packaging required (see 16.1).
Housing
5.1.5 Marking required (see 16.2 and 16.3).
C 1104/C 1104M Test Method for Determining the Water
5.1.6 Material weight should be obtained from supplier.
Vapor Sorption of Unfaced Mineral Fiber Insulation
C 1114 Test Method for Steady-State Thermal Transmission
6. Materials and Manufacture
Properties by Means of the Thin-Heater Apparatus
6.1 Basic Material—The basic material shall be made from
This specification is under the jurisdiction of ASTM Committee C-16 on
Thermal Insulation and is the direct responsibility of Subcommittee C16.23 on Annual Book of ASTM Standards, Vol 04.07.
Blanket and Loose Fill Insulation. Available from North American Insulation Manufacturers Association, 44
Current edition approved Jan. 10, 1998. Published June 1998. Originally Canal Center Plaza, Suite 310, Alexandria, VA 22314.
published as C 1071 – 86. Last previous edition C 1071 – 91. Available from Sheet Metal and Air Conditioning Contractors National
Annual Book of ASTM Standards, Vol 04.06. Association, Inc., 4201 Lafayette Center Drive, Chantilly, VA 22021-1209.
C 1071
TABLE 2 Sound Absorption Coefficients (min) Using a Type “A”
glass processed from the molten state into fibrous form with a
Mounting
binder added to form dimensionally stable insulation. Asbestos
shall not be used as an ingredient or component part of the
NOTE 1—This data is based on round-robin tests. Data on Type “A”
mounting is for comparison only and is not meant to indicate character-
product.
istics in duct service.
6.2 Air Stream Surface—Depending on the insulation sur-
Thick- Frequency, Hz
face characteristics and service air velocity, the air stream
ness,
A
surface may be plain or coated with a temperature resistant
NRC
125 250 500 1000 2000 4000
in. (mm)
coating or faced with a plain or coated fibrous mat or fabric.
Type I ⁄2 (13) 0.02 0.07 0.18 0.37 0.52 0.67 0.30
1 (25) 0.04 0.19 0.35 0.55 0.69 0.72 0.45
7. Physical Requirements
1 ⁄2 (38) 0.08 0.31 0.58 0.75 0.82 0.81 0.60
7.1 Corrosiveness—When tested in accordance with 12.3,
2 (51) 0.16 0.42 0.76 0.85 0.85 0.83 0.70
the metal plate in contact with the back side (non-air surface
Type II 1 (25) 0.02 0.20 0.52 0.73 0.82 0.84 0.55
side) of the insulation shall show no corrosion greater than the
1 ⁄2 (38) 0.05 0.40 0.77 0.88 0.88 0.86 0.75
comparative plates in contact with sterile cotton which has
2 (51) 0.12 0.67 0.99 0.97 0.91 0.87 0.90
been tested in the same manner. A
Noise Reduction Coefficient.
7.2 Water Vapor Sorption—When tested in accordance with
12.4, the water vapor sorption of the insulation shall not be
TABLE 3 Dimensional Tolerance, in. (mm)
more than 3 % by weight.
Length Width Thickness
7.3 Fungi Resistance—When tested in accordance with
1 1
Type I −0,+2% −0,+ ⁄4 (−0, +6) 6 ⁄8 (63)
12.5, the insulation shall be observed as having no fungal
of length
1 3 1 1
growth. Type II − ⁄8,+ ⁄8 6 ⁄8 (63) 6 ⁄8 (63)
(−3, +10)
7.4 Temperature Resistance—When tested in accordance
with 12.6, the air stream surface shall have no evidence of
flaming, glowing, smoldering, smoking, or delamination.
fabrication and shall not have visible defects which adversely
7.5 Erosion Resistance—When tested in accordance with
affect their service qualities.
12.7, the insulation shall not break away, flake off, or show
evidence of delamination or continued erosion when air is 10. Sampling
passed through typical duct sections at a velocity specified in
10.1 The insulation shall be sampled in accordance with
12.7.
Criteria C 390. Specific provisions for sampling shall be agreed
7.6 Odor Emission—When tested in accordance with 12.8,
upon between the purchaser and supplier as part of the
a detectable odor of objectionable nature recorded by more
purchase contract.
than two of the five panel members shall constitute failure of
11. Qualification Requirements
the material.
7.7 Surface Burning Characteristics—When tested in ac-
11.1 The following requirements shall be employed for the
cordance with 12.9, the air stream surface of the insulation
purpose of initial material or product qualification:
shall have a maximum flame spread rating of 25 and a
11.1.1 Corrosiveness,
maximum smoke developed rating of 50.
11.1.2 Water vapor sorption,
7.8 Apparent Thermal Conductivity—When tested in accor-
11.1.3 Fungi resistance,
dance with 12.10, the apparent thermal conductivity (k)ofthe
11.1.4 Temperature resistance,
insulation, expressed as Btu·in/h·ft ·°F or W/m·K for the
11.1.5 Erosion resistance,
specified thickness shall not exceed the values shown in Table
11.1.6 Odor emission,
1.
11.1.7 Surface burning characteristics,
7.9 Sound Absorption Coeffıcients—When tested in accor-
11.1.8 Apparent thermal conductivity, and
dance with 12.11, the insulation shall have sound absorption
11.1.9 Sound absorption coefficients.
coefficients not less than that in Table 2 at the specified
11.2 The manufacturer shall furnish a certificate of compli-
frequencies.
ance for qualification requirements upon request (see Criteria C
390).
8. Dimensional Tolerances
8.1 After conditioning for a minimum of 24 h at 706 3°F
12. Test Methods
(21 6 1.6°C)
...