ASTM C726-11
(Specification)Standard Specification for Mineral Wool Roof Insulation Board
Standard Specification for Mineral Wool Roof Insulation Board
ABSTRACT
This specification covers the composition and physical properties of mineral wool insulation board used above structural roof decks as a base for built-up roofing and single ply membrane systems in building construction. 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. Specimens shall be sampled, prepared, tested, and conform accordingly to the following physical properties: compressive resistance, tensile strength, breaking load strength, water absorption, response to thermal and humid aging, linear dimensional change, thermal resistance, surface burning characteristics, and dimensions.
SCOPE
1.1 This specification covers the composition and physical properties of mineral wool insulation board used above structural roof decks in building construction. The mineral wool roof insulation acts as a base for systems such as single-ply, polymer-modified bitumen and built-up roof. This specification also covers mineral wool insulation boards that incorporate a fibrous high density upper layer on the top surface
1.2 It is possible that the use of thermal insulation materials covered by this specification will be regulated by building codes or other agencies that address fire performance, or both. The fire performance of the material needs to 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 the regulatory limitations prior to use.
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Designation: C726 – 11
Standard Specification for
1
Mineral Wool Roof Insulation Board
This standard is issued under the fixed designation C726; 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 Department of Defense.
1. Scope ments and Thermal Transmission Properties by Means of
the Guarded-Hot-Plate Apparatus
1.1 This specification covers the composition and physical
C203 Test Methods for Breaking Load and Flexural Prop-
properties of mineral wool insulation board used above struc-
erties of Block-Type Thermal Insulation
tural roof decks in building construction. The mineral wool
C209 Test Methods for Cellulosic Fiber Insulating Board
roof insulation acts as a base for systems such as single-ply,
C303 Test Method for Dimensions and Density of Pre-
polymer-modifiedbitumenandbuilt-uproof.Thisspecification
formed Block and Board−Type Thermal Insulation
also covers mineral wool insulation boards that incorporate a
C390 Practice for Sampling and Acceptance of Thermal
fibrous high density upper layer on the top surface
Insulation Lots
1.2 It is possible that the use of thermal insulation materials
C518 Test Method for Steady-State Thermal Transmission
covered by this specification will be regulated by building
Properties by Means of the Heat Flow Meter Apparatus
codes or other agencies that address fire performance, or both.
C665 Specification for Mineral-Fiber Blanket Thermal In-
The fire performance of the material needs to be addressed
sulation for Light Frame Construction and Manufactured
through standard fire test methods established by the appropri-
Housing
ate governing documents.
C1363 Test Method for Thermal Performance of Building
1.3 The values stated in inch-pound units are to be regarded
Materials and Envelope Assemblies by Means of a Hot
as standard. The values given in parentheses are mathematical
Box Apparatus
conversions to SI units that are provided for information only
D312 Specification for Asphalt Used in Roofing
and are not considered standard.
D482 Test Method for Ash from Petroleum Products
1.4 This standard does not purport to address all of the
D450 Specification for Coal-Tar Pitch Used in Roofing,
safety concerns, if any, associated with its use. It is the
Dampproofing, and Waterproofing
responsibility of the user of this standard to establish appro-
D2126 Test Method for Response of Rigid Cellular Plastics
priate safety and health practices and determine the applica-
to Thermal and Humid Aging
bility of the regulatory limitations prior to use.
E84 Test Method for Surface Burning Characteristics of
2. Referenced Documents Building Materials
E2058 TestMethodsforMeasurementofSyntheticPolymer
2.1 The following standards, of the issue in effect on the
MaterialFlammabilityUsingaFirePropagationApparatus
date of material purchase, form a part of this specification to
(FPA)
the extent specified herein:
2
2.3 Other Referenced Documents:
2.2 ASTM Standards:
CAN/ULC-S102 Standard Method of Test for Surface
C165 Test Method for Measuring Compressive Properties
BurningCharacteristicsofBuildingMaterialsandAssem-
of Thermal Insulations
3
blies
C168 Terminology Relating to Thermal Insulation
EN 12430 :1998/A1 Thermal Insulating Product for Build-
C177 Test Method for Steady-State Heat Flux Measure-
ing Applications – Determination of Behaviour Under
4
Point Load
FM 4470 Approval Standard for Single-Ply, Polymer-
1
This specification is under the jurisdiction of ASTM Committee C16 on
Modified Bitumen Sheet, Built-Up Roof (BUR) and Liq-
Thermal Insulation and is the direct responsibility of Subcommittee C16.20 on
uid Applied Roof Assemblies for use in Class 1 and
Homogeneous Inorganic Thermal Insulations.
Current edition approved Sept. 1, 2011. Published September 2011. Originally
´1
approved in 1972. Last previous edition approved in 2005 as C726–05 . DOI:
10.1520/C0726-11.
2 3
For referenced ASTM standards, visit the ASTM website, www.astm.org, or Available from Underwriters Laboratories (UL), 2600 N.W. Lake Rd., Camas,
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM WA 98607-8542, http://www.ul.com.
4
Standards volume information, refer to the standard’s Document Summary page on Available from European Committee for Standardization (CEN), Avenue
the ASTM website. Marnix 17, B-1000, Brussels, Belgium, http://www.cen.eu.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.
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C726 – 11
5
Noncombustible Roof Deck
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This document is not anASTM standard and is intended only to provide the user of anASTM 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:C726–05 Designation: C726 – 11
Standard Specification for
1
Mineral FiberWool Roof Insulation Board
This standard is issued under the fixed designation C726; 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 Department of Defense.
1
´ NOTE—Sections 2.3 and 11.7 were editorially updated in June 2008.
1. Scope
1.1Thisspecificationcoversthecompositionandphysicalpropertiesofmineralfiberinsulationboardusedabovestructuralroof
decks as a base for built-up roofing and single ply membrane systems in building construction.
1.2The use of thermal insulation materials covered by this specification may be regulated by building codes or other agencies
thataddressfireperformance,orboth.Thefireperformanceofthematerialshouldbeaddressedthroughstandardfiretestmethods
established by the appropriate governing documents.
1.3The values stated in inch-pound units are to be regarded as the standard. the values given in parentheses are for information
only.
1.1 This specification covers the composition and physical properties of mineral wool insulation board used above structural
roof decks in building construction. The mineral wool roof insulation acts as a base for systems such as single-ply,
polymer-modified bitumen and built-up roof. This specification also covers mineral wool insulation boards that incorporate a
fibrous high density upper layer on the top surface
1.2 It is possible that the use of thermal insulation materials covered by this specification will be regulated by building codes
or other agencies that address fire performance, or both. The fire performance of the material needs to 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 the regulatory
limitations prior to use.
2. Referenced Documents
2.1 Thefollowingstandards,oftheissueineffectonthedateofmaterialpurchase,formapartofthisspecificationtotheextent
specified herein:
2
2.2 ASTM Standards:
C165 Test Method for Measuring Compressive Properties of Thermal Insulations
C168 Terminology Relating to Thermal Insulation
C177 Test Method for Steady-State Heat Flux Measurements and Thermal Transmission Properties by Means of the
Guarded-Hot-Plate Apparatus
C203 Test Methods for Breaking Load and Flexural Properties of Block-Type Thermal Insulation
C209 Test Methods for Cellulosic Fiber Insulating Board
C303 Test Method for Dimensions and Density of Preformed Block and BoardType Thermal Insulation
C390 Practice for Sampling and Acceptance of Thermal Insulation Lots
C518 Test Method for Steady-State Thermal Transmission Properties by Means of the Heat Flow Meter Apparatus
C665 Specification for Mineral-Fiber Blanket Thermal Insulation for Light Frame Construction and Manufactured Housing
1
This specification is under the jurisdiction ofASTM Committee C16 on Thermal Insulation and is the direct responsibility of Subcommittee C16.20 on Homogeneous
Inorganic Thermal Insulations.
Current edition approved April 1, 2005. Published April 2005. Originally approved in 1972. Last previous edition appoved in 2000 as C726–00a. DOI:
10.1520/C0726-05E01.
´1
Current edition approved Sept. 1, 2011. Published September 2011. Originally approved in 1972. Last previous edition approved in 2005 as C726–05 . DOI:
10.1520/C0726-11.
2
ForreferencedASTMstandards,visittheASTMwebsite,www.astm.org,orcontactASTMCustomerServiceatservice@astm.org.For Annual Book of ASTM Standards
volume information, refer to the standard’s Document Summary page on the ASTM website.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.
1
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C726 – 11
C1363 Test Method for Thermal Performance of Building Materials and Envelope Assemblies by Means of a Hot Box
Apparatus
D3
...
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