oSIST prEN ISO 6781-1:2022

Performance of buildings - Detection of heat, air and moisture irregularities in buildings by infrared methods - Part 1: General procedures (ISO/DIS 6781-1:2022)

This part of ISO 6781 specifies the general procedures for thermography of residential, commercial and instituional / industrial buildings and superseds and replaces ISO 6781:1983.
The standard (Part1) provides up-to-date general procedures, guidelines and criteria covering the applicability of IRT techniques for builidngs, customer responsibilities, qualification of IRT personnel, equpiment requirments, IRT techniques, field and baseline measurement requirments for buildings, data collection, diagnosis and prognosis from results, safety considerations and test reports. Example thermograms of heat, air and moisture irregualrities are provided.
This standard (Part 1) is independent and stand-alone of all other parts of the 6781 standard. Other parts of the standard provide specific details for specific thermographic applications for practicioners.

Verhalten von Gebäuden - Feststellung von wärme-, luft- und feuchtebezogenen Unregelmäßigkeiten in Gebäuden durch Infrarotverfahren - Teil 1: Allgemeine Verfahren (ISO/DIS 6781-1:2022)

Dieses Dokument legt Anforderungen und Methoden für infrarot-thermographische Dienstleistungen für den Nachweis von wärme-, luft- und feuchtebezogene Unregelmäßigkeiten in Gebäude fest, die dem Anwender dabei helfen, (i) den Umfang der erforderlichen thermographischen Dienstleistungen, (ii) die Art und den Zustand der zu verwendenden Ausrüstung, (iii) die Qualifikationen der Ausrüstungsbetreiber, Bildanalytiker und Berichtsautoren sowie der Personen, die Empfehlungen aussprechen, (iv) die Anforderungen an die Berichterstattung über die Ergebnisse festzulegen und zu verstehen, und die ihm (v) einen Leitfaden an die Hand geben, wie die sich aus der Bereitstellung von thermographischen Dienstleistungen ergebenden Endergebnisse zu verstehen und zu nutzen sind.
Dieser Teil von ISO 6781 gilt für die allgemeinen Vorgehensweisen für infrarot-thermographische Verfahren, die auf Wohngebäude, Geschäftsgebäude und öffentliche & Spezialgebäude angewendet werden dürfen.

Performance des bâtiments - Détection d'irrégularités de chaleur, air et humidité dans les bâtiments par des méthodes infrarouges - Partie 1: Procédures générales (ISO/DIS 6781-1:2022)

Značilnosti stavb - Zaznavanje nepravilnosti toplote, zraka in vlage v stavbah z infrardečimi metodami - 1. del: Splošni postopki (ISO/DIS 6781-1:2022)

General Information

• Status: Not Published
• Public Enquiry End Date: 13-Dec-2020
• ICS: 91.120.10 - Thermal insulation of buildings
• Technical Committee: TOP - Thermal insulation
• Current Stage: 98 - Abandoned project (Adopted Project)
• Start Date: 09-May-2023
• Due Date: 14-May-2023
• Completion Date: 09-May-2023
• Directive: 305/2011 - Regulation (eu) No 305/2011 of the European Parliament and of the Council of 9 march 2011 laying down harmonised conditions for the marketing of construction products and repealing council directive 89/106/eec
• Ref Project: prEN ISO 6781-1 - Performance of buildings - Detection of heat air and moisture irregulartites in buildings by infrared methods - Part 1 General Procedures

Standards Content (Sample)

SLOVENSKI STANDARD
oSIST prEN ISO 6781-1:2020
01-december-2020
Toplotne značilnosti stavb - Kvalitativno zaznavanje toplotnih nepravilnosti v
ovoju zgradbe - Infrardeča metoda (ISO/DIS 6781:2020)
Thermal performance of buildings - Qualitative detection of thermal irregularities in
building envelopes - Infrared method (ISO/DIS 6781:2020)
Wärmetechnisches Verhalten von Gebäuden - Qualitativer von Gebäuden - Qualitativer
Nachweis von Wärmebrücken in Gebäudehüllen - Infrarot-Verfahren (ISO/DIS
6781:2020)
Performance thermique des bâtiments - Détection qualitative des irrégularités
thermiques sur les enveloppes de bâtiments - Méthode infrarouge (ISO/DIS 6781:2020)
Ta slovenski standard je istoveten z: prEN ISO 6781-1
ICS:
91.120.10 Toplotna izolacija stavb Thermal insulation of
buildings
oSIST prEN ISO 6781-1:2020 en,fr,de
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

oSIST prEN ISO 6781-1:2020
oSIST prEN ISO 6781-1:2020
DRAFT INTERNATIONAL STANDARD
ISO/DIS 6781-1
ISO/TC 163/SC 1 Secretariat: DIN
Voting begins on: Voting terminates on:
2020-09-11 2020-12-04
Performance of buildings — Detection of heat, air and
moisture irregularities in buildings by infrared methods —
Part 1:
General procedures
ICS: 91.120.10
IMPORTANT — Please use this updated version dated 2020-09-18,
and discard any previous version of this DIS. Note that the project is
now being processed as ISO/CEN parallel processing.
THIS DOCUMENT IS A DRAFT CIRCULATED
This document is circulated as received from the committee secretariat.
FOR COMMENT AND APPROVAL. IT IS
THEREFORE SUBJECT TO CHANGE AND MAY
NOT BE REFERRED TO AS AN INTERNATIONAL
STANDARD UNTIL PUBLISHED AS SUCH.
IN ADDITION TO THEIR EVALUATION AS
ISO/CEN PARALLEL PROCESSING
BEING ACCEPTABLE FOR INDUSTRIAL,
TECHNOLOGICAL, COMMERCIAL AND
USER PURPOSES, DRAFT INTERNATIONAL
STANDARDS MAY ON OCCASION HAVE TO
BE CONSIDERED IN THE LIGHT OF THEIR
POTENTIAL TO BECOME STANDARDS TO
WHICH REFERENCE MAY BE MADE IN
Reference number
NATIONAL REGULATIONS.
ISO/DIS 6781-1:2020(E)
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 SUPPORTING DOCUMENTATION. ISO 2020

oSIST prEN ISO 6781-1:2020
ISO/DIS 6781-1:2020(E)
© ISO 2020
All rights reserved. Unless otherwise specified, or required in the context of its implementation, no part of this publication may
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ii © ISO 2020 – All rights reserved

oSIST prEN ISO 6781-1:2020
ISO/DIS 6781-1:2020(E)
Contents Page
Foreword .v
Introduction .vi
1 Scope . 1
2 Normative references . 1
3 Terms and definitions . 1
3.1 General terms . 2
3.2 Thermography terms. 4
3.3 Definitions used in thermography . 6
4 Symbols (and abbreviated terms) . 7
5 Example applications of use of thermography in building assessments .7
6 Customer preparation . 8
7 Qualification of personnel . 9
7.1 Personnel – General Guidance . 9
7.2 Application specific requirements .10
7.2.1 Residential and small buildings - qualification requirements .10
7.2.2 Commercial buildings - qualification requirements .10
7.2.3 Institutional / industrial buildings - qualification requirements .10
8 Equipment requirements for thermographic examination of residential,
commercial and institutional buildings .11
8.1 Equipment – General Requirements' .11
8.2 Equipment – Specific Requirements .11
8.3 Calibration and checking of equipment . .11
9 Safety .12
10 Thermography techniques .12
10.1 Comparative thermography . .12
10.1.1 General.12
10.1.2 Technique .13
10.2 Comparative qualitative thermography .13
10.3 Comparative quantitative thermography.13
10.3.1 Comparative quantitative thermography - Limitations .14
11 Non-contact infrared radiometry (spot radiometry) using infrared thermography
cameras .14
12 Air Leakage and mass transfer .14
12.1 Air leakage .14
12.2 Mass Transfer - Moisture .15
13  .15
13.1 Conductivity test method - Moisture detection .15
13.2 Capacitance test method - Moisture detection .15
13.3 Phase change test method - Moisture detection .16
14 Baseline measurements for building maintenance and condition monitoring .16
15 Data collection .16
16 Field measurements of reflected temperature and emissivity, and attenuating media .17
17 Comparative assessment criteria – severity .17
18 Diagnosis and prognosis .18
18.1 Survey intervals .18
18.2 Image interpretation .18
oSIST prEN ISO 6781-1:2020
ISO/DIS 6781-1:2020(E)
18.3 Fault identification process .18
19 Test report .18
19.1 General information .18
19.2 Building-specific information .19
19.3 Qualitative Inspections .20
19.4 Quantitative Inspections .21
19.5 Reporting of unsafe conditions .21
Annex A (informative) Pro-forma safety rules and guidelines .22
Annex B (normative) Field measurements of reflected apparent temperature and emissivity .23
Annex C (informative) Examples of buildings heat, air and moisture faults, failures and
anomalies detected by infrared thermography (IRT) .27
iv © ISO 2020 – All rights reserved

oSIST prEN ISO 6781-1:2020
ISO/DIS 6781-1:2020(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
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electrotechnical standardization.
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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
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any patent rights identified during the development of the document will be in the Introduction a
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