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ASTM C728-05(2010)

(Specification)

Standard Specification for Perlite Thermal Insulation Board

Standard Specification for Perlite Thermal Insulation Board

ABSTRACT
This specification covers the composition and physical properties for perlite thermal insulation board used principally above structural roof decks and as a base for built-up, modified, and elastomeric membrane roofing in building construction. Perlite thermal insulation board is classified as follows: type 1 - roof insulation board, and type 2 - roof cover/recover board. The basic material of the insulation board shall be perlite expanded by the application of heat to form glassy, cellular aggregates. The finished board may be either single-ply or multiple-ply. Perlite thermal insulation boards shall conform to the thermal resistance prescribed. The thermal resistance, compressive strength, tensile strength, flame speed classification, and water absorption shall be tested to meet the requirements prescribed.
SCOPE
1.1 This specification covers the composition and physical properties for perlite thermal insulation board used principally above structural roof decks and as a base for built-up, modified, and elastomeric membrane roofing in building construction.
1.2 The use of thermal insulation materials covered by this specification may be regulated by building codes or other agencies that address fire performance, or both. The fire performance of the material should be addressed through standard fire test methods established by the appropriate governing documents.
1.3 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.
1.4 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.

General Information

Status
Historical
Publication Date
28-Feb-2010
ICS
91.100.60 - Thermal and sound insulating materials
Technical Committee
C16 - Thermal Insulation
Drafting Committee
C16.22 - Organic and Nonhomogeneous Inorganic Thermal Insulations
Current Stage
Ref Project

Relations

Replaces
ASTM C728-05 - Standard Specification for Perlite Thermal Insulation Board
Effective Date
01-Mar-2010
Replaced By
ASTM C728-13 - Standard Specification for Perlite Thermal Insulation Board
Effective Date
01-May-2013
Referred By
ASTM C1289-23 - Standard Specification for Faced Rigid Cellular Polyisocyanurate Thermal Insulation Board
Effective Date
01-Mar-2010
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
01-Mar-2010

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ASTM C728-05(2010) - Standard Specification for Perlite Thermal Insulation BoardASTM C728-05(2010) - Standard Specification for Perlite Thermal Insulation Board
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ASTM C728-05(2010) - Standard Specification for Perlite Thermal Insulation Board
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NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.
Contact ASTM International (www.astm.org) for the latest information
Designation:C728 −05(Reapproved 2010)
Standard Specification for
Perlite Thermal Insulation Board
This standard is issued under the fixed designation C728; 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 Department of Defense.
1. Scope the Guarded-Hot-Plate Apparatus
C203 Test Methods for Breaking Load and Flexural Proper-
1.1 This specification covers the composition and physical
ties of Block-Type Thermal Insulation
properties for perlite thermal insulation board used principally
C209 Test Methods for Cellulosic Fiber Insulating Board
abovestructuralroofdecksandasabaseforbuilt-up,modified,
C390 Practice for Sampling and Acceptance of Thermal
and elastomeric membrane roofing in building construction.
Insulation Lots
1.2 The use of thermal insulation materials covered by this
C518 Test Method for Steady-State Thermal Transmission
specification may be regulated by building codes or other
Properties by Means of the Heat Flow Meter Apparatus
agencies that address fire performance, or both. The fire
C1289 Specification for Faced Rigid Cellular Polyisocyanu-
performance of the material should be addressed through
rate Thermal Insulation Board
standard fire test methods established by the appropriate
E84 Test Method for Surface Burning Characteristics of
governing documents.
Building Materials
1.3 The values stated in inch-pound units are to be regarded
3. Terminology
as standard. The values given in parentheses are mathematical
conversions to SI units that are provided for information only 3.1 For complete descriptions of terms used in this
specification, refer to Terminology C168.
and are not considered standard.
1.4 This standard does not purport to address all of the
4. Classification
safety concerns, if any, associated with its use. It is the
4.1 Perlite thermal insulation board is classified as follows:
responsibility of the user of this standard to establish appro-
4.1.1 Type 1, Roof Insulation Board—The ⁄2 in. (13 mm)
priate safety and health practices and determine the applica-
thick version of this product is available only to manufacturers
bility of regulatory limitations prior to use.
of laminated rigid foam products as specified in Specification
C1289.
2. Referenced Documents
4.1.2 Type 2, Roof Cover/Recover Board—This is used
2.1 The following standards, of the issue in effect on the
primarily as a field-applied cover board over other roof
date of material purchase, form a part of this specification to
insulations or in reroofing applications.
the extent specified herein:
5. Ordering Information
2.2 ASTM Standards:
C165 Test Method for Measuring Compressive Properties of
5.1 Orders shall at least include the following information:
Thermal Insulations
5.1.1 Title and designation Specification C728.
C168 Terminology Relating to Thermal Insulation
5.1.2 Product name, nominal thickness and dimensions.
C177 Test Method for Steady-State Heat Flux Measure-
5.1.3 Quantity of material ordered.
ments and Thermal Transmission Properties by Means of
5.1.4 Manufacturer’s name, address, and telephone number.
6. Materials and Manufacture
This specification is under the jurisdiction of ASTM Committee C16 on
6.1 Composition—Thebasicmaterialoftheinsulationboard
Thermal Insulation and is the direct responsibility of Subcommittee C16.22 on
shall be perlite expanded by the application of heat to form
Organic and Nonhomogeneous Inorganic Thermal Insulations.
glassy, cellular aggregates. The insulation board shall be
Current edition approved March 1, 2010. Published March 2010. Originally
composed of expanded perlite and fibers formed into rigid, flat,
approved in 1972. Last previous edition approved in 2005 as C72805. DOI:
10.1520/C0728-05R10.
rectangular units with a suitable sizing material incorporated in
For referenced ASTM standards, visit the ASTM website, www.astm.org, or
the product. It may have on one or both surfaces a facing or
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
coating to prevent excessive hot bitumen strike-in during
Standards volume information, refer to the standard’s Document Summary page on
the ASTM website. roofing installation.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
C728−05 (2010)
6.2 Lamination—The finished board may be either single- 10. Sampling
ply or multiple-ply. When multiple-ply boards are supplied, a
10.1 Unless otherwise specified, sampling for qualification
suitable adhesive shall be used to join the plies.
and inspection tests, if required, shall be in accordance with
Practice C390.
7. Physical Properties
7.1 Thermal Resistance—Perlite thermal insulation boards
11. Test Methods
shall conform to the following thermal resistances:
11.1 Thermal Resistance—Test Method C177 or C518 at a
Thermal Resistance,
mean temperature of 75 6 2°F (24 6 1°C) and a minimum
Nom
...

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