CEN/TC 89 - Thermal performance of buildings and building components
Standardization in the field of energy performance of buildings, including particularly energy transfer through building components and thermal insulation of installed equipment in buildings, covering: - rules for expressing relevant thermal properties and requirements; - calculation and test methods; - input data, including climatic data; - effects of moisture.
Toplotna zaščita stavb stavb in in gradbenih elementov
Standardization in the field of energy performance of buildings, including particularly energy transfer through building components and thermal insulation of installed equipment in buildings, covering: - rules for expressing relevant thermal properties and requirements; - calculation and test methods; - input data, including climatic data; - effects of moisture.
General Information
This document provides explanation and justification to support the correct understanding and use of ISO 52016-3.
- Technical report104 pagesEnglish languagesale 10% offe-Library read for1 day
- Amendment7 pagesEnglish languagesale 10% offe-Library read for1 day
This document specifies the steady-state data analysis methods to evaluate the data from ‘the aggregate heat loss test method’. These analysis methods enable the actual in situ aggregate heat loss (building heat transfer coefficient) to be estimated.
NOTE The aggregate heat loss method is specified in prEN 17888-1:2022, Thermal performance of buildings - In situ testing of building test structures - Part 1: Data collection for aggregate heat loss test.
- Standard52 pagesEnglish languagesale 10% offe-Library read for1 day
This document specifies a test method for the in situ measurement of the thermal performance of buildings, both newly built and existing.
This document specifies the data to be collected during and after the test.
NOTE The analysis of the data and the reporting format for the analysis are referred to in prEN 17887-2:2022 Thermal performance of buildings - In situ testing of completed buildings - Part 2: Steady-state data analysis for aggregate heat loss test.
This document is applicable to domestic scale detached buildings and attached domestic scale buildings, such as semi-detached houses, terraced houses and apartments.
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This document specifies a test method for the in situ testing of the thermal performance of building structures especially built for the purpose of the test.
This document also specifies the apparatus to be used and the measurement procedures to collect the data and the reporting format for the apparatus including the building test structure and the test conditions.
NOTE The analysis of the data and the reporting format for the analysis are referred to in prEN 17888-2.
This document does not apply to:
- existing buildings;
- building structures allowing direct solar gains through glazing surfaces;
- the determination of the thermal performance of a specific building product, material, component or element.
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This document specifies the steady-state data analysis methods to evaluate the data from ‘the aggregate heat loss test’. These analysis methods enable the actual in situ aggregate heat loss (building heat transfer coefficient) to be estimated.
NOTE The aggregate heat loss method is specified in prEN 17887-1:2022 Thermal performance of buildings - In-situ testing of completed buildings - Part 1: Data collection for aggregate heat loss test.
- Standard53 pagesEnglish languagesale 10% offe-Library read for1 day
This document specifies procedures for the calculation of the energy needs for heating and cooling, internal temperatures and sensible and latent heat loads of a building according to the hourly calculation methodology in ISO 52016-1. Additions or modifications of the calculations are provided in this document if the building envelope contains one or more adaptive building envelope elements (building envelope elements with adaptive components that are either environmentally or actively controlled as a function of specific conditions). The adaptive building envelope element replaces the transparent building element in the calculation according to ISO 52016-1.
The three types of adaptive building envelope elements covered in this document are:
— building envelope elements with dynamic solar shading;
— building envelope elements with chromogenic glazing;
— building envelope elements with an actively ventilated cavity.
Environmentally activated control is described for building envelope elements with chromogenic glazing, but can also occur for other types of adaptive building envelope elements. In that case the same approach applies as for environmentally activated chromogenic glazing.
This document is applicable to the assessment of the energy performance of buildings (EPB) (energy performance labels and certificates), including comparison between buildings and checking conformity with minimum energy performance criteria.
It is also applicable to assess the contribution of the adaptive building envelope element to the smart readiness of a building.
In addition, this document provides indicators for the impact of the adaptive building envelope element on the performance of the building compared to a reference building envelope element. It is applicable to buildings at the design stage, to new buildings after construction and to existing buildings in the use phase.
This document is not applicable to geometrically complex adaptive building envelope elements that can only be modelled as multiple coupled thermal zones.
NOTE The background to the selection of adaptive building envelope elements is given in ISO/TR 52016-4.
- Standard66 pagesEnglish languagesale 10% offe-Library read for1 day
- Standard66 pagesEnglish languagesale 10% offe-Library read for1 day
This document specifies requirements and methodologies for infrared thermographic services for detection of heat, air and moisture irregularities in buildings that help users to specify and understand
a) the extent of thermographic services required,
b) the type and condition of equipment available for use,
c) the qualifications of equipment operators, image analysts, and report authors and those making recommendations, and
d) the reporting of results.
It provides guidance to understanding and utilizing the final results stemming from provision of the thermographic services.
This document is applicable to the general procedures for infrared thermographic methods as can be applied to residential, commercial, and institutional and special use buildings.
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This document specifies the model components to be used in a numerical hygrothermal simulation model for calculating the transient transfer of heat and moisture through building structures.
This document specifies a method to be used for validating a numeric hygrothermal simulation model claiming conformity with this document.
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This document describes a set of procedures for using existing standardized CEN or ISO test and calculation methods to determine the thermal performance of reflective insulation products. This document supports and does not replace existing CEN or ISO test methods.
This document applies to any thermal insulation product that derives a proportion of its claimed thermal properties from the presence of one or more reflective or low emissivity surfaces together with any associated airspace(s). It does not replace the existing procedures for the determination of the thermal performance of products already covered by an existing harmonized product standard where the declared value of these products does not specifically include any claims attributable to the emissivity of the facing. It does not, and cannot, give an in-use or design value of thermal performance, but provides standardized information from which these can be determined.
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This document gives rules for the calculation of heat-transfer-related properties of building equipment and industrial installations, predominantly under steady-state conditions. This document also gives a simplified approach for the calculation of thermal bridges.
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This document defines physical quantities and other terms in the field of thermal insulation relating to heat transfer by radiation.
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This document specifies two alternative methods for determining hygroscopic sorption properties of porous building materials and products:
a) using desiccators and weighing cups (desiccator method);
b) using a climatic chamber (climatic chamber method).
The desiccator method is the reference method.
This document does not specify the method for sampling.
The methods specified in this document can be used to determine the moisture content of a sample in equilibrium with air at a specific temperature and humidity.
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MINOR REVISION
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ISO 7345:2018 defines physical quantities used in the thermal performance of buildings and building elements, and gives the corresponding symbols and units.
NOTE Because the scope of this document is restricted to thermal performance and energy use in the built environment, some of the definitions it contains differ from those given ISO 80000-5.
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ISO 12569:2017 establishes methods to obtain the ventilation rate or specific airflow rate in a building space (which is considered to be a single zone) using a tracer gas.
The measurement methods apply for spaces where the combined conditions concerning the uniformity of tracer gas concentration, measurement of the exhaust gas concentration, effective mixed zone and/or fluctuation of ventilation are satisfied.
ISO 12569:2017 provides three measurement methods using a tracer gas: concentration decay method, continuous dose method, and constant concentration method.
NOTE Specific measurement conditions are given in Table 1.
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ISO 13789:2017 specifies a method and provides conventions for the calculation of the steady‐state transmission and ventilation heat transfer coefficients of whole buildings and parts of buildings. It is applicable both to heat loss (internal temperature higher than external temperature) and to heat gain (internal temperature lower than external temperature). For the purpose of ISO 13789:2017, the heated or cooled space is assumed to be at uniform temperature.
Annex C provides a steady‐state method to calculate the temperature in unconditioned spaces adjacent to conditioned spaces.
NOTE Table 1 in the Introduction shows the relative position of ISO 13789:2017 within the set of EPB standards in the context of the modular structure as set out in ISO 52000-1.
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ISO 52017-1:2017 specifies the general assumptions, boundary conditions and equations for the calculation, under transient hourly or subhourly conditions, of the internal temperatures (air and operative) and/or the heating, cooling and humidification and dehumidification loads to hold a specific (temperature, moisture) set point, in a single building zone. No specific numerical techniques are imposed by ISO 52017-1:2017.
Specific calculation procedures based on the generic calculation procedures of ISO 52017-1:2017 are given in ISO 52016-1. The specific simplifications, assumptions and boundary conditions in ISO 52016-1 are tailored to the respective application areas, such as the energy need for heating and cooling and for humidification and dehumidification, hourly internal temperature, design heating and cooling and humidification and dehumidification load.
NOTE Table 1 in the Introduction shows the relative position of ISO 52017-1:2017 within the set of EPB standards in the context of the modular structure as set out in ISO 52000-1.
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ISO 10211:2017 sets out the specifications for a three-dimensional and a two-dimensional geometrical model of a thermal bridge for the numerical calculation of
- heat flows, in order to assess the overall heat loss from a building or part of it, and
- minimum surface temperatures, in order to assess the risk of surface condensation.
These specifications include the geometrical boundaries and subdivisions of the model, the thermal boundary conditions, and the thermal values and relationships to be used.
ISO 10211:2017 is based upon the following assumptions:
- all physical properties are independent of temperature;
- there are no heat sources within the building element.
ISO 10211:2017 can also be used for the derivation of linear and point thermal transmittances and of surface temperature factors.
NOTE Table 1 in the Introduction shows the relative position of ISO 10211:2017 within the set of EPB standards in the context of the modular structure as set out in ISO 52000-1.
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ISO 52016-1:2017 specifies calculation methods for the assessment of:
a) the (sensible) energy need for heating and cooling, based on hourly or monthly calculations;
b) the latent energy need for (de-)humidification, based on hourly or monthly calculations;
c) the internal temperature, based on hourly calculations;
d) the sensible heating and cooling load, based on hourly calculations;
e) the moisture and latent heat load for (de-)humidification, based on hourly calculations;
f) the design sensible heating or cooling load and design latent heat load using an hourly calculation interval;
g) the conditions of the supply air to provide the necessary humidification and dehumidification.
The calculation methods can be used for residential or non-residential buildings, or a part of it, referred to as "the building" or the "assessed object".
ISO 52016-1:2017 also contains specifications for the assessment of thermal zones in the building or in the part of a building. The calculations are performed per thermal zone. In the calculations, the thermal zones can be assumed to be thermally coupled or not.
The calculation methods have been developed for the calculation of the basic energy loads and needs, without interaction with specific technical building systems, and for the calculation of the system specific energy loads and needs, including the interaction with specific systems. The hourly calculation procedures can also be used as basis for calculations with more extensive system control options.
ISO 52016-1:2017 is applicable to buildings at the design stage, to new buildings after construction and to existing buildings in the use phase.
NOTE Table 1 in the Introduction shows the relative position of ISO 52016-1:2017 within the set of EPB standards in the context of the modular structure as set out in ISO 52000-1.
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- Standard – translation227 pagesSlovenian languagesale 10% offe-Library read for1 day
ISO 52010-1:2017 specifies a calculation procedure for the conversion of climatic data for energy calculations.
The main element in ISO 52010-1:2017 is the calculation of solar irradiance on a surface with arbitrary orientation and tilt. A simple method for conversion of solar irradiance to illuminance is also provided.
The solar irradiance and illuminance on an arbitrary surface are applicable as input for energy and daylighting calculations, for building elements (such as roofs, facades and windows) and for components of technical building systems (such as thermal solar collectors, PV panels).
Other parameters of climatic data needed to assess the thermal and moisture performance of buildings, building elements or technical building systems [like wind, temperature, moisture and long-wave (thermal) radiation] are to be obtained according to the procedures in ISO 15927‑4. These data are listed in ISO 52010-1:2017 as input and passed on as output without any conversion.
NOTE 1 The reason for passing these data via ISO 52010-1:2017 is to have one single and consistent source for all EPB standards and to enable any conversion or other treatment if needed for specific application.
NOTE 2 Table 1 in the Introduction shows the relative position of ISO 52010-1:2017 within the set of EPB standards in the context of the modular structure as set out in ISO 52000-1.
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ISO 12631:2017 specifies a method for calculating the thermal transmittance of curtain walls consisting of glazed and/or opaque panels fitted in, or connected to, frames.
The calculation includes:
- different types of glazing, e.g. glass or plastic; single or multiple glazing; with or without low emissivity coating; with cavities filled with air or other gases;
- frames (of any material) with or without thermal breaks;
- different types of opaque panels clad with metal, glass, ceramics or any other material.
Thermal bridge effects at the rebate or connection between the glazed area, the frame area and the panel area are included in the calculation.
The calculation does not include:
- effects of solar radiation;
- heat transfer caused by air leakage;
- calculation of condensation;
- effect of shutters;
- additional heat transfer at the corners and edges of the curtain walling;
- connections to the main building structure nor through fixing lugs;
- curtain wall systems with integrated heating.
NOTE Table 1 in the Introduction shows the relative position of ISO 12631:2017 within the set of EPB standards in the context of the modular structure as set out in ISO 52000-1.
- Standard60 pagesEnglish languagesale 10% offe-Library read for1 day
ISO 6946:2017 provides the method of calculation of the thermal resistance and thermal transmittance of building components and building elements, excluding doors, windows and other glazed units, curtain walling, components which involve heat transfer to the ground, and components through which air is designed to permeate.
The calculation method is based on the appropriate design thermal conductivities or design thermal resistances of the materials and products for the application concerned.
The method applies to components and elements consisting of thermally homogeneous layers (which can include air layers).
ISO 6946:2017 also provides an approximate method that can be used for elements containing inhomogeneous layers, including the effect of metal fasteners, by means of a correction term given in Annex F. Other cases where insulation is bridged by metal are outside the scope of ISO 6946:2017.
NOTE Table 1 in the Introduction shows the relative position of ISO 6946:2017 within the set of EPB standards in the context of the modular structure as set out in ISO 52000‑1.
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- Standard – translation49 pagesSlovenian languagesale 10% offe-Library read for1 day
- Standard – translation50 pagesSlovenian languagesale 10% offe-Library read for1 day
ISO 13786:2017 specifies the characteristics related to the dynamic thermal behaviour of a complete building component and provides methods for their calculation. It also specifies the information on building materials required for the use of the building component. Since the characteristics depend on the way materials are combined to form building components, ISO 13786:2017 is not applicable to building materials or to unfinished building components.
The definitions given in ISO 13786:2017 are applicable to any building component. A simplified calculation method is provided for plane components consisting of plane layers of substantially homogeneous building materials.
Annex C provides simpler methods for the estimation of the heat capacities in some limited cases. These methods are suitable for the determination of dynamic thermal properties required for the estimation of energy consumption. These approximations are not appropriate, however, for product characterization.
NOTE Table 1 in the Introduction shows the relative position of ISO 13786:2017 within the set of EPB standards in the context of the modular structure as set out in ISO 52000-1.
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ISO 13370:2017 provides methods of calculation of heat transfer coefficients and heat flow rates for building elements in thermal contact with the ground, including slab‐on‐ground floors, suspended floors and basements. It applies to building elements, or parts of them, below a horizontal plane in the bounding walls of the building situated
- at the level of the inside floor surface, for slab‐on‐ground floors, suspended floors and unheated basements;
NOTE 1 In some cases, external dimension systems define the boundary at the lower surface of the floor slab.
- at the level of the external ground surface, for heated basements.
ISO 13370:2017 includes calculation of the steady‐state part of the heat transfer (the annual average rate of heat flow) and the part due to annual periodic variations in temperature (the seasonal variations of the heat flow rate about the annual average). These seasonal variations are obtained on a monthly basis and, except for the application to dynamic simulation programmes in Annex D, ISO 13370:2017 does not apply to shorter periods of time.
NOTE 2 Table 1 in the Introduction shows the relative position of ISO 13370:2017 within the set of EPB standards in the context of the modular structure as set out in ISO 52000-1.
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ISO 10077-2:2017 specifies a method and gives reference input data for the calculation of the thermal transmittance of frame profiles and of the linear thermal transmittance of their junction with glazing or opaque panels.
The method can also be used to evaluate the thermal resistance of shutter profiles and the thermal characteristics of roller shutter boxes and similar components (e.g. blinds).
ISO 10077-2:2017 also gives criteria for the validation of numerical methods used for the calculation.
ISO 10077-2:2017 does not include effects of solar radiation, heat transfer caused by air leakage or three-dimensional heat transfer such as pinpoint metallic connections. Thermal bridge effects between the frame and the building structure are not included.
NOTE Table 1 in the Introduction shows the relative position of ISO 10077-2:2017 within the set of EPB standards in the context of the modular structure as set out in ISO 52000-1.
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The set of EPB assessment standards produces a great number of overall and partial EPB indicators as outputs. ISO 52003-1:2017 provides general insight to both private parties and public regulators (and all stakeholders involved in the regulatory process) on how to make good use of these outputs for different purposes (post-processing).
ISO 52003-1:2017 describes the relation between the EPB indicators and the EPB requirements and EPB ratings, and it discusses the importance of project-specific, tailored values as requirement or reference for certain EPB indicators. ISO 52003-1:2017 also includes a couple of possible EPB labels and it lists the different steps to be taken when establishing an EPB certification scheme.
ISO 52003-1:2017 provides standardized tables for reporting in a structured and transparent manner the choices that are to be made with respect to overall EPB requirements. The tables are non-restrictive, thus allowing for full regulatory flexibility. ISO 52003-1:2017 does not provide such tables for partial EPB requirements (related to the fabric or technical buildings systems), as this is dealt with in other documents.
NOTE Table 1 in the Introduction shows the relative position of ISO 52003-1:2017 within the set of EPB standards in the context of the modular structure as set out in ISO 52000-1.
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- Standard48 pagesEnglish languagesale 10% offe-Library read for1 day
- Standard – translation45 pagesSlovenian languagesale 10% offe-Library read for1 day
ISO 14683:2007 deals with simplified methods for determining heat flows through linear thermal bridges which occur at junctions of building elements.
ISO 14683:2007 specifies requirements relating to thermal bridge catalogues and manual calculation methods.
Default values of linear thermal transmittance are given in Annex A for information.
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ISO 52022-3:2017 specifies a detailed method, based on spectral data of the transmittance and reflectance of the constituent materials (solar protection devices and the glazing), to determine the total solar energy transmittance, the total light transmittance and other relevant solar-optical data of the combination. If spectral data are not available, the methodology can be adapted to use integrated data.
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The set of EPB assessment standards produces a great number of overall and partial EPB indicators as outputs, which can be used for different purposes. ISO 52018-1:2017 deals with the use as requirement of partial EPB indicators related to the fabric and related to the thermal balance of the building. Thermal balance aspects concern both the heating and cooling needs and the free floating temperatures, especially with respect to overheating or too cold indoor temperatures. ISO 52018-1:2017 can support both private parties and public regulators (and all stakeholders involved in the regulatory process) with the "post-processing" of these outputs.
ISO 52018-1:2017 provides standardized tables for reporting, in a structured and transparent manner, the choices that are to be made with respect to the partial EPB requirements covered by ISO 52018-1:2017. The tables are non-restrictive, thus allowing for full regulatory flexibility.
NOTE Table 1 in the Introduction shows the relative position of ISO 52018-1:2017 within the set of EPB standards in the context of the modular structure as set out in ISO 52000-1.
- Standard53 pagesEnglish languagesale 10% offe-Library read for1 day
- Standard53 pagesEnglish languagesale 10% offe-Library read for1 day
- Standard – translation52 pagesSlovenian languagesale 10% offe-Library read for1 day
ISO 52022-1:2017 specifies a simplified method based on thermal, solar and light characteristics of the glazing and solar and light characteristics of the solar protection device, to estimate the total solar energy transmittance, direct energy transmittance and the light transmittance of a solar protection device combined to a glazing.
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ISO 10077-1:2017 specifies methods for the calculation of the thermal transmittance of windows and pedestrian doors consisting of glazed and/or opaque panels fitted in a frame, with and without shutters.
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- Standard52 pagesEnglish languagesale 10% offe-Library read for1 day
ISO/TR 52010-2:2017 contains information to support the correct understanding and use of ISO 52010‑1.
ISO/TR 52010-2:2017 does not contain any normative provision.
- Technical report34 pagesEnglish languagesale 10% offe-Library read for1 day
ISO/TR 52022-2:2017 contains information to support the correct understanding and use of ISO 10077‑1, ISO 10077‑2, ISO 12631, ISO 52022‑1 and ISO 52022‑3.
This technical report does not contain any normative provision.
- Technical report57 pagesEnglish languagesale 10% offe-Library read for1 day
ISO/TR 52003-2:2017 refers to ISO 52003‑1. It contains information to support the correct understanding and use of ISO 52003‑1 and does not contain any normative provisions.
NOTE The relation with other EPB standards, product standards and product policy is shown schematically in Figure 4 of Clause 6.
- Technical report45 pagesEnglish languagesale 10% offe-Library read for1 day
ISO/TR 52018-2:2017 refers to ISO 52018‑1.
ISO 52018‑1 gives a succinct enumeration of possible requirements related to thermal energy balance features and to fabric features. It also provides tables for regulators to report their choices in a uniform manner. ISO/TR 52018-2:2017 provides many background considerations that can help both private actors and public authorities, and all stakeholders involved, to take informed decisions.
ISO/TR 52018-2:2017 does not contain any normative provision.
- Technical report49 pagesEnglish languagesale 10% offe-Library read for1 day
ISO/TR 52019-2:2017 contains information to support the correct understanding and use of ISO 6946, ISO 10211, ISO 13370, ISO 13786, ISO 13789 and ISO 14683.
ISO/TR 52019-2:2017 does not contain any normative provision.
- Technical report69 pagesEnglish languagesale 10% offe-Library read for1 day
ISO/TR 52016-2:2017 contains information to support the correct understanding and use of ISO 52016‑1 and ISO 52017‑1.
These documents give calculation methods for the assessment of:
- the (sensible and latent) energy load and need for heating and cooling, based on hourly calculations;
- the (sensible and latent) energy need for heating and cooling, based on monthly calculations (ISO 52016‑1);
- the internal temperature, based on hourly calculations; and
- the design (sensible and latent) heating and cooling load, based on hourly calculations.
ISO/TR 52016-2:2017 does not contain any normative provisions.
NOTE A description of the rationale behind the reorganization of the cluster of strongly related and partly overlapping ISO and CEN standards is given in Annex H.
- Technical report143 pagesEnglish languagesale 10% offe-Library read for1 day
ISO 12572:2016 specifies a method based on cup tests for determining the water vapour permeance of building products and the water vapour permeability of building materials under isothermal conditions. Different sets of test conditions are specified.
The general principles are applicable to all hygroscopic and non-hygroscopic building materials and products, including insulation materials and including those with facings and integral skins. Annexes give details of test methods suitable for different material types.
The results obtained by this method are suitable for design purposes, production control and for inclusion in product specifications.
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- Amendment7 pagesEnglish languagesale 10% offe-Library read for1 day
ISO 6781-3:2015 specifies the qualifications and competence requirements for personnel who (i) perform thermographic investigations on buildings, (ii) interpret the data emanating from thermographic investigations, and (iii) report the results of thermographic investigations.
ISO 6781-3:2015 provides the basis for a statement of conformity, in three classes, of the knowledge, skills and abilities of individuals to perform thermographic measurements, analysis and reporting of results for small buildings, residential buildings, and commercial and institutional buildings.
ISO 6781-3:2015 is not applicable to specialized equipment or other specific situations.
- Standard26 pagesEnglish languagesale 10% offe-Library read for1 day
ISO 9972:2015 is intended for the measurement of the air permeability of buildings or parts of buildings in the field. It specifies the use of mechanical pressurization or depressurization of a building or part of a building. It describes the measurement of the resulting air flow rates over a range of indoor-outdoor static pressure differences.
ISO 9972:2015 is intended for the measurement of the air leakage of building envelopes of single-zone buildings. For the purpose of this International Standard, many multi-zone buildings can be treated as single-zone buildings by opening interior doors or by inducing equal pressures in adjacent zones.
ISO 9972:2015 does not address evaluation of air permeability of individual components.
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ISO 15758:2014 specifies a method for calculating the density of the water vapour flow rate in cold pipe insulation systems, and the total amount of water diffused into the insulation over time. The calculation method presupposes that water vapour can only migrate into the insulation system by diffusion, with no contribution from airflow. It also assumes the use of homogeneous, isotropic insulation materials so that the water vapour partial pressure is constant at all points equidistant from the axis of the pipe.
ISO 15758:2014 is applicable when the temperature of the medium in the pipe is above 0 °C. It applies to pipes inside buildings as well as in the open air.
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This Technical Specification provides additional information to that given in EN 12667, EN 12664, EN 12939 and ISO 8302 on the design of apparatus and operational procedures required to determine the thermal resistance of thermal insulation products in the temperature range 100 °C to 850 °C using the guarded hot plate method.
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2012-12-06 GVN: Draft for // vote available at ISO/CS (see notification in dataservice on 2012-12-04)
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- Amendment7 pagesEnglish languagesale 10% offe-Library read for1 day
ISO 13788:2012 gives simplified calculation methods for:
The internal surface temperature of a building component or building element below which mould growth is likely, given the internal temperature and relative humidity. The method can also be used to assess the risk of other internal surface condensation problems.
The assessment of the risk of interstitial condensation due to water vapour diffusion. The method used does not take account of a number of important physical phenomena including the variation of material properties with moisture content; capillary suction and liquid moisture transfer within materials; air movement from within the building into the component through gaps or within air spaces; the hygroscopic moisture capacity of materials.
The time taken for water, from any source, in a layer between two high vapour resistance layers to dry out and the risk of interstitial condensation occurring elsewhere in the component during the drying process.
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2011-02-08 EMA: // final draft received in ISO/CS (see notification from 2011-02-07 in dataservice).
MINOR AMENDMENT!!! MINOR AMENDMENT!!! MINOR AMENDMENT!!! MINOR AMENDMENT!!!
- Amendment7 pagesEnglish languagesale 10% offe-Library read for1 day
- Amendment7 pagesEnglish languagesale 10% offe-Library read for1 day
This Technical Report describes a method of test for determining the resistance of pitched roof coverings to wind-driven and deluge rain.
The test method is applicable to discontinuously laid unsealed small roof covering elements such as clay tiles, concrete tiles, slates, fibre cement slates and stones.
NOTE The test method may be adapted for fittings.
- Technical report24 pagesEnglish languagesale 10% offe-Library read for1 day
ISO 23993:2008 gives methods to calculate design thermal conductivities from declared thermal conductivities for the calculation of the thermal performance of building equipment and industrial installations.
These methods are valid for operating temperatures from -200 °C to +800 °C.
The conversion factors, established for the different influences, are valid for the temperature ranges indicated in the relevant clauses or annexes.
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ISO 12567-1:2010 specifies a method to measure the thermal transmittance of a door or window system. It is applicable to all effects of frames, sashes, shutters, blinds, screens, panels, door leaves and fittings.
It is not applicable to edge effects occurring outside the perimeter of the specimen, energy transfer due to solar radiation on the specimen, effects of air leakage through the specimen, and roof windows and projecting products, where the external face projects beyond the cold side roof surface.
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