EN IS0 18393-1 EUROPEAN STANDARD NORME EUROPEENNE EUROPAISCHE NORM December 2023 ICS 91.120.10 English Version Thermal insulation products - Determination of settlement - Part 1: Loose-fill insulation for ventilated attics simulating humidity and temperature cycling (IS0 18393. 1:2023) Produits isolants thermiques - Détermination du Warmedammprodukte - Bestimmung der Alterung tassement - Partie 1: Isolant en vrac pour combles durch Setzung - Teil 1: Eingeblasene lose ventilés, cyclage en temperature et humidite (ISO Warmedammstoffe fiur beliftete Dachgeschosse, 18393-1:2023) zyklische Luftfeuchte- und Temperaturbeanspruchungen (IS0 18393-1:2023) This European Standard was approved by CEN on 18 November 2023. CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European Standard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such national standards may be obtained on application to the CEN-CENELEC Management Centre or to any CEN member. This European Standard exists in three official versions (English, French, German). A version in any other language made by Centrehasthe samestatusastheofficial versions. CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Republic of North Macedonia, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkiye and United Kingdom. cer EUROPEANCOMMITTEEFOR STANDARDIZATION COMITEEUROPEENDENORMALISATION EUROPAISCHESKOMITEEFURNORMUNG CEN-CENELEC Management Centre: Rue de la Science 23, B-1040 Brussels 2023CEN All rights of exploitation in any form and by any means reserved Ref. No.EN IS0 18393-1:2023 E worldwidefor CEN national Members. EN IS0 18393-1:2023 (E) European foreword This document (EN IS0 18393-1:2023) has been prepared by Technical Committee IS0/TC 163 "Thermal performance and energy use in the built environment" in collaboration with Technical Committee CEN/TC 88 “Thermal insulating materials and products" the secretariat of which is held by DIN. This European Standard shall be given the status of a national standard, either by publication of an identical text or by endorsement, at the latest by June 2024, and conflicting national standards shall be withdrawn at the latest by June 2024. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. CEN shall not be held responsible for identifying any or all such patent rights. Any feedback and questions on this document should be directed to the users' national standards body/national committee. A complete listing of these bodies can be found on the CEN website. According to the CEN-CENELEC Internal Regulations, the national standards organizations of the following countries are bound to implement this European Standard: Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Republic of North Macedonia, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkiye and the United Kingdom. Endorsement notice The text of IS0 18393-1:2023 has been approved by CEN as EN IS0 18393-1:2023 without any modification. Contents Page Foreword iv 1 Scope 1 2 Normative references. .1 3 Terms and definitions. .1 4 Principle .2 5 Test equipment. .2 5.1 Specimen container 2 5.2 Climate chamber. 2 6 Test specimens .3 6.1 Preparations of test specimens 3 6.2 Number of test specimens.. 3 .3 6.3 Conditioning of test specimens. 7 Test procedure .3 8 Calculations and expression of results 4 9 Accuracy of measurement. .4 10 Test report. 5 iii @IS02023-Allrightsrese