Thermal insulation — Mineral wool loose-fill for ventilated roof spaces — Part 1: Material specification and test methods

Isolation thermique — Fibres minérales en vrac pour les combles ventilées — Partie 1: Caractéristiques des matériaux et méthodes d'essai

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ISO/FDIS 9076-1 - Thermal insulation -- Mineral wool loose-fill for ventilated roof spaces
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FINAL
INTERNATIONAL ISO/FDIS
DRAFT
STANDARD 9076-1
ISO/TC 163/SC 3
Thermal insulation — Mineral wool
Secretariat: SCC
loose-fill for ventilated roof spaces —
Voting begins on:
2013-06-24
Part 1:
Voting terminates on:
Material product specification
2013-08-24
Isolation thermique — Fibres minérales en vrac pour les combles
ventilées —
Partie 1: Caractéristiques des matériaux et méthodes d’essai
RECIPIENTS OF THIS DRAFT ARE INVITED TO
SUBMIT, WITH THEIR COMMENTS, NOTIFICATION
OF ANY RELEVANT PATENT RIGHTS OF WHICH
THEY ARE AWARE AND TO PROVIDE SUPPOR TING
DOCUMENTATION.
IN ADDITION TO THEIR EVALUATION AS
Reference number
BEING ACCEPTABLE FOR INDUSTRIAL, TECHNO-
ISO/FDIS 9076-1:2013(E)
LOGICAL, COMMERCIAL AND USER PURPOSES,
DRAFT INTERNATIONAL STANDARDS MAY ON
OCCASION HAVE TO BE CONSIDERED IN THE
LIGHT OF THEIR POTENTIAL TO BECOME STAN-
DARDS TO WHICH REFERENCE MAY BE MADE IN
NATIONAL REGULATIONS. ISO 2013
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ISO/FDIS 9076-1:2013(E)
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© ISO 2013

All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized otherwise in any form

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ii © ISO 2013 – All rights reserved
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ISO/FDIS 9076-1:2013(E)
Contents Page

Foreword ........................................................................................................................................................................................................................................iv

Introduction ..................................................................................................................................................................................................................................v

1 Scope ................................................................................................................................................................................................................................. 1

2 Normative references ...................................................................................................................................................................................... 1

3 Terms and definitions ..................................................................................................................................................................................... 1

4 Symbols .......................................................................................................................................................................................................................... 3

5 Sampling and conformity control ....................................................................................................................................................... 4

6 Required general properties ................................................................................................................................................................... 4

6.1 Composition .............................................................................................................................................................................................. 4

6.2 Determination or declaration of settlement .................................................................................................................. 4

6.3 Test specimen density....................................................................................................................................................................... 5

6.4 Thermal resistance (R-value) ..................................................................................................................................................... 5

6.5 Fire behaviour related to material characteristics................................................................................................... 5

6.6 Air flow permeability ........................................................................................................................................................................ 5

6.7 Hazards .......................................................................................................................................................................................................... 5

7 Tolerances on declared properties ................................................................................................................................................... 5

8 Declaration of conformity ........................................................................................................................................................................... 6

9 Marking and labelling ..................................................................................................................................................................................... 6

10 Manufacturer’s documentation ............................................................................................................................................................ 7

Annex A (normative) Test methods ....................................................................................................................................................................... 9

Annex B (normative) Sampling and conformity control ...............................................................................................................15

Annex C (informative) Supplemental properties .................................................................................................................................16

Bibliography .............................................................................................................................................................................................................................19

© ISO 2013 – All rights reserved iii
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ISO/FDIS 9076-1:2013(E)
Foreword

ISO (the International Organization for Standardization) is a worldwide federation of national standards

bodies (ISO member bodies). The work of preparing International Standards is normally carried out

through ISO technical committees. Each member body interested in a subject for which a technical

committee has been established has the right to be represented on that committee. International

organizations, governmental and non-governmental, in liaison with ISO, also take part in the work.

ISO collaborates closely with the International Electrotechnical Commission (IEC) on all matters of

electrotechnical standardization.

The procedures used to develop this document and those intended for its further maintenance are

described in the ISO/IEC Directives, Part 1. In particular the different approval criteria needed for the

different types of ISO documents should be noted. This document was drafted in accordance with the

editorial rules of the ISO/IEC Directives, Part 2. www.iso.org/directives

Attention is drawn to the possibility that some of the elements of this document may be the subject of

patent rights. ISO shall not be held responsible for identifying any or all such patent rights. Details of any

patent rights identified during the development of the document will be in the Introduction and/or on

the ISO list of patent declarations received. www.iso.org/patents

Any trade name used in this document is information given for the convenience of users and does not

constitute an endorsement.

The committee responsible for this document is ISO/TC 163, Thermal performance and energy use in the

built environment, Subcommittee SC 3, Thermal insulation products.

ISO 9076 consists of the following parts, under the general title Thermal insulation — Mineral wool loose-

fill for ventilated roof spaces:
— Part 1: Material specification and test methods
— Part 2: Principal responsibilities of installers
iv © ISO 2013 – All rights reserved
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ISO/FDIS 9076-1:2013(E)
Introduction

The specification in this part of ISO 9076 deals primarily with the labelling of packages containing

loose-fill mineral wool, the declaration of settlement and the measurements on a blown material, which

relates the settled thickness to the declared thermal resistance. This part of ISO 9076 indicates how

air permeability is to be measured and makes suggestions for the performance characteristics for the

material (suggested properties). The user might have to request information on the air permeability and

the other characteristics from the manufacturer.
© ISO 2013 – All rights reserved v
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FINAL DRAFT INTERNATIONAL STANDARD ISO/FDIS 9076-1:2013(E)
Thermal insulation — Mineral wool loose-fill for ventilated
roof spaces —
Part 1:
Material product specification
1 Scope

This part of ISO 9076 specifies the labelling for packages of loose-fill thermal insulation for horizontal

applications in ventilated attic, loft or roof spaces of buildings installed by blowing machines, and the

related test methods and requirements.

This part of ISO 9076 is not applicable to the methods of installing loose-fill mineral wool thermal

insulation. The necessary installation instructions for satisfactory performance of the material are

intended to be given by the manufacturer. Typical locations for loose-fill are detailed in ISO 9774. The

installer’s responsibilities are covered in ISO 9076-2.
2 Normative references

The following documents, in whole or in part, are normatively referenced in this document and are

indispensable to its application. For dated references, only the edition cited applies. For undated

references, the latest edition of the referenced document (including any amendments) applies.

ISO 7345, Thermal insulation — Physical quantities and definitions

ISO 8301, Thermal insulation — Determination of steady-state thermal resistance and related properties —

Heat flow meter apparatus

ISO 8302, Thermal insulation — Determination of steady-state thermal resistance and related properties —

Guarded hot plate apparatus

ISO 8990, Thermal insulation — Determination of steady-state thermal transmission properties —

Calibrated and guarded hot box

ISO 9053, Acoustics — Materials for acoustical applications — Determination of airflow resistance

ISO 9229, Thermal insulation — Vocabulary

ISO 12576-2, Thermal insulation products — Conformity control systems — Part 2: In-situ products

3 Terms and definitions

For the purposes of this document, the terms and definitions given in ISO 7345 and ISO 9229 and the

following apply.
3.1
attic space
loft space
roof space
enclosed space between roof and ceiling

Note 1 to entry: Figures 2 a) and b) show examples of the application for two types of construction.

© ISO 2013 – All rights reserved 1
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ISO/FDIS 9076-1:2013(E)
3.2
coverage

area provided by a package of loose-fill insulation when applied according to the manufacturer’s

instructions to achieve a declared thermal performance

[SOURCE: ISO 9229:2007, 2.6.12, modified — The following have been replaced: “area or yield” with

“area”; “in accordance with” with “according to the”; “claimed” with “declared”.]

3.3
declared settled thickness

thickness declared by the manufacturer as that meeting the specified requirements

Note 1 to entry: The declared settled thickness may be determined by extrapolating observations of applications

three to five years after installation to the thickness 25 years after installation.

[SOURCE: ISO 9229:2007, 2.6.4.1, modified — The definition has been modified and Note 1 to entry

has been added.]
3.4
declared thermal resistance

thermal resistance of the material or insulation declared by the manufacturer for specific thickness,

density, and mean temperatures
3.5
horizontal application

insulation applied to a surface with a slope of not more than 18,4° (having a rise to run of less than 4 in

12 or 33,3 in 100)
3.6
installed thickness

initial thickness at the time of installation necessary to provide the declared thickness after settlement

Note 1 to entry: The installed thickness is equal to or greater than the declared thickness, and it is necessary to

take into account any settling after installation. The term “as blown thickness” is also used.

3.7
loose-fill insulation

fibres, granules, nodules, powder or similar forms of insulation material designed to be installed by

manual pouring or blowing using pneumatic equipment
[SOURCE: ISO 9229:2007, 2.6.4.1, modified — The definition has been modified.]
3.8
mineral wool

wool made of vitreous fibres having a woolly consistency, and manufactured from molten rock (stone),

slag or glass

[SOURCE: ISO 9229:2007, 2.1.16, modified — The definition has been modified and the accompanying

abbreviated term “MW” has been omitted.]
3.9
minimum required thickness

thickness required by a manufacturer as that which provides the declared thermal properties

Note 1 to entry: The minimum required thickness does not include space occupied by the roof framing.

Note 2 to entry: See ISO 9229:2007, 2.6.4.1 and 2.6.6.1.
2 © ISO 2013 – All rights reserved
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ISO/FDIS 9076-1:2013(E)
3.10
pneumatic application
method of using air to mechanically install loose-fill (insulation) materials

[SOURCE: ISO 9229:2007, 2.4.12, modified — The adverb “mechanically” has been added.]

3.11
reference mean temperature

mean temperature selected for use as the basis for physical property measurement and expression of

data for those materials whose physical properties change with temperature
[SOURCE: ISO 9229:2007, 2.6.10, modified — The definition has been altered.]
3.12
sample
one or more unit(s) of a product or material from an inspection lot

Note 1 to entry: The units of the sample are selected at random without regard to their quality.

3.13
settled density

density of the product observed at least 10 years after installation, or where no data are available,

determined from the blown density and a given class of settlement

Note 1 to entry: 6.2.2 allows a graphical extrapolation of data taken after three years to 10 years and graphically

extrapolated to 25 years.
3.14
test specimen
single insulating material unit or part of a unit used for a test
3.15
R-value

thermal resistance of the insulation expressed for a given settled thickness at a given mean temperature

Note 1 to entry: It is expressed in square metre kelvins per watt (m ·K)/W.

Note 2 to entry: This definition is given for the convenience of the installers and designers.

3.16
water vapour sorption

laboratory measurement of a gain in mass of a material due to the combined mechanisms of moisture

sorption under specified laboratory test conditions
4 Symbols

R Thermal resistance of the insulation expressed for a given settled thickness at

D10
10 °C

R Thermal resistance of the insulation expressed for a given settled thickness at

D23
23 °C

R Thermal resistance of the insulation expressed for a given settled thickness at

D27
27 °C
© ISO 2013 – All rights reserved 3
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ISO/FDIS 9076-1:2013(E)
5 Sampling and conformity control

Manufacturers shall examine the variations in their processes and primary controlling variables to

ensure the ongoing quality of their materials.

For the purposes of sampling and conformity control, the procedures described in Annex B shall be applied.

6 Required general properties
6.1 Composition

The loose-fill mineral wool insulating materials are composed of mineral wool manufactured from

glass, rock, or slag and air.
6.2 Determination or declaration of settlement
6.2.1 Declaration of settlement

Settlement shall be declared in accordance with the labelling requirements of Table 2 and coverage

calculated accordingly.
6.2.2 Observation period

The declaration shall be based on a set of observations of the thickness and settlement of insulation

installed in attic roof spaces in several constructions, in several buildings, in several climates for periods

of from three years to 10 years, which is extrapolated graphically to predict the settled thickness

25 years after installation.
6.2.3 Types of construction to be observed

The observations on settlement shall be made in types of construction similar to those described in the

manufacturer’s installation handbook and at the range of thickness declared by the manufacturer in the

performance chart (see Table 4) described in Clause 10.
6.2.4 Default values for settlement

If no relevant measurements have been carried out, the class shall be declared in accordance with

column 4 of Table 2.
Table 1 — Classes from settlement
Class Requirement
S1 No measurable settlement
S2 5 %
S3 10 %
S4 15 %
S5 20 %
S6 25 %
4 © ISO 2013 – All rights reserved
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ISO/FDIS 9076-1:2013(E)

Table 2 — Class for use in marking and labelling of packages/bags and calculating coverage

Long-term data available No long-term data available
Material Manufacturing process
Class to be used Class to be used
Chopped Table 1 S3
Mineral wool
Spun or otherwise formed Table 1 S4
Long-term data spans the period of three years to 10 years.
6.3 Test specimen density

For the purposes of this part of ISO 9076, all testing shall be done on specimens that have the

manufacturer’s declared settled density at that specimen thickness for the product in the typical attic

roof space installation (±10 %), where relevant.
6.4 Thermal resistance (R-value)

The thermal resistance is determined as the average of four measurements carried out in accordance

with A.3, provided no individual measurement deviates from the average of the other three by more

than 10 %.

The mean temperature of the tests shall be 27 °C, 23 °C or 10 °C, or all three, as decided by the manufacturer

and according to normal practice in the location of installation. The user and the manufacturer may

agree on other temperatures.

Settlement of the product after installation has an effect on the thermal transmission properties of

the insulation. The manufacturer shall give the minimum installed thickness that corresponds to the

declared thickness.
6.5 Fire behaviour related to material characteristics

Loose-fill insulating materials are intended to meet the requirements of local codes and regulations.

6.6 Air flow permeability

The airflow permeability shall be determined in accordance with ISO 9053 method A. The manufacturer

shall test as an initial type test or in the case of a dispute. The manufacturer shall provide this information

upon request.

Note Air flow permeability is a characteristic of the material and its significance to the performance of the

product after installation are intended to be evaluated by the user.
6.7 Hazards

The manufacturer shall supply the information required in 10 c) and mark the material in accordance

with 10 d).
7 Tolerances on declared properties

Table 3 lists the requirements for tolerances on the properties that are declared by the manufacturer

and used for developing the values to be listed on the package (bag).
© ISO 2013 – All rights reserved 5
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ISO/FDIS 9076-1:2013(E)

Table 3 — Tolerances required for properties declared by the manufacturer and data used by

the manufacturer to make the declaration
Negative tolerance Positive tolerance
Property declared on bag label Unit
for property for property
Package/bag mass kg 0 % excess permitted
R-value, average m ·K/W 0 % excess permitted
R-value, individual test specimen m ·K/W 10 % excess permitted
Number of packages per 100 m 0 % excess permitted
Coverage (on declared area per bag) m /bag less permitted 0 %
Surface density (see the Note to this clause) kg/m 0 % excess permitted
Apparent thermal conductivity, average W/m·K less permitted 0 %
Apparent thermal conductivity, individual test speci-
W/m·K less permitted 5 %
men

The tolerances do not apply to the actual installation of the material and so neither do they apply to the product

sold to the user.

   The bag mass is calculated using the average of 10 bags, unless local regulations require additional bags.

NOTE Surface density is also designated by the term “mass per unit area”, which is deprecated by ISO.

8 Declaration of conformity
The declaration shall include the following information:
a) manufacturer’s name, address, production facility and material designation;
b) material description;
c) model of the blowing equipment used and the settings;
d) production code and date;

e) declared coverage, minimum installed thickness, R-value(s) and reference temperature(s);

f) information about s
...

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