ISO INTERNATIONAL STANDARD 10077-1 Third edition 2017-06 Thermal performance of windows, doors and shutters Calculation of thermal transmittance - Part 1: General Performance thermique des fenetres, portes et fermetures - Calcul du coefficient de transmission thermique Partie 1: Géneralites Reference number ISO 10077-1:2017(E) os1 International Organization for Standardization @ IS0 2017 =ZHEJIANG INST OF STANDARDIZATION C1 5956617 vided by IHS underI ted without license from IHS IS0 10077-1:2017(E) COPYRIGHTPROTECTEDDOCUMENT IS0 2017, Published in Switzerland All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized otherwise in any form or by any means, electronic or mechanical, including photocopying, or posting on the internet or an intranet, without prior written permission. Permission can be requested from either ISO at the address below or ISO's member body in the country of the requester. ISOcopyrightoffice Ch. de Blandonnet 8 . CP 401 CH-1214 Vernier, Geneva, Switzerland Tel. +41 22 749 01 11 Fax +41 22 749 09 47 copyright@iso.org www.iso.org Internatinair PrganizationforStandardization icensee-ZHEJIANG INSTOF STANDARDIZAoISQ07 -All rights reserved Not for Resale, 2017/9/12 02:48:06 etworking permitted without license from IHS IS0 10077-1:2017(E) Contents Page Foreword ..iv Introduction. ...vi 1 Scope. 2 Normative references 3 Terms and definitions ..3 4 Symbols and subscripts. 3 4.1 Symbols .3 4.2 Subscripts. .4 5 Description of the method. ..4 5.1 Output of the method .4 5.2 General description.. 5.3 Other general topics. ..5 6 Calculation of thermal transmittance .5 6.1 Outputdata .5 6.2 Calculation time intervals .5 6.3 Inputdata. .5 6.3.1 Geometrical characteristics .5 6.3.2 Thermal characteristics .8 6.4 Calculation procedure .11 6.4.1 Applicable time interval 11 6.4.2 Calculationofthermaltransmittance 11 7 Test report .17 7.1 Contents of test report .17 7.2 Drawing of sections .18 7.2.1 Drawing of the whole window or door .18 7.2.2 Values used in the calculation. ..18 7.2.3 Presentation of results ..18 Annex A (normative) Input and method selection data sheet - Template ..19 Annex B (informative) Input and method selection data sheet - Default choices ..21 Annex C (normative) Regional references in line with Iso Global Relevance Policy ..23 Annex D (normative) Internal and external surface thermal resistances ..24 Annex E (normative) Thermal resistance of air spaces between glazing and thermal transmittance of coupled, double or triple glazing. .25 Annex F (normative) Thermal transmittance of frames .26 Annex G (normative) Linear thermal transmittance of frame/glazing junction and glazing bars...32 Annex H (normative) Thermal transmittance of windows .36 Bibliography .41 iii ee=ZHEJIANG INSTOFSTANDARDIZATION C15956617 withoutlicense from IHS Not for Resale, 2017/9/12 02:48:06