Energy efficiency Installing bulk thermal insulation …

1 New Zealand StandardEnergy efficiency Installing bulk thermal insulation in residential buildingsSuperseding NZS 4246:2006 NZS 4246:2016 NZS 4246:2016 Standards New Zealand on behalf of the New Zealand Standards Executive has given permission to the Ministry of Business, Innovation and Employment (Tenancy Services) to provide access to the standard under copyright licence LN001211. The reader is permitted to view and print this standard free of charge (subject to printing costs) for your own use. You are not permitted to reproduce any part of it without prior written permission from Standards New Zealand unless your actions are covered by Part 3 of the Copyright Act Standards New ZealandNZS 4246:2016 COMMITTEE REPRESENTATIONThis standard was prepared by the P4246 Committee. The membership of the committee was approved by the New Zealand Standards Approval Board and appointed by the New Zealand Standards Executive under the Standards and Accreditation Act committee consisted of representatives of the following nominating organisations.

2 BRANZ LtdEnergy efficiency and Conservation AuthorityInsulation Association of New ZealandLighting Council New ZealandMinistry of Business, Innovation and Employment Building System PerformanceNational Association of Steel Framed HousingNew Zealand Certified Builders AssociationOpus International ConsultantsRegistered Master Builders AssociationWorkSafe New ZealandACKNOWLEDGEMENTSS tandards New Zealand gratefully acknowledges the contribution of time and expertise from all those involved in developing this standard and, in particular, the following technical experts: Vanessa Lanegra, Tim Mahar, Mark Mischefski, Steve Morton, Nicholas Rowan, Gleb Speranski, Wade Maurice, Daniel Szczepanski, Bruce Vallance, Brian Usher, Bryan King, and Matthew New Zealand Standards Executive owns the copyright in this document.

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7 Regardless of where you were when you downloaded this PDF file you accept and acknowledge that to thefullest extent possible you submit to New Zealand law with regard to this licence and to your use of thisPDF file. Standards New Zealand on behalf of the New Zealand Standards Executive has given permission to the Ministry of Business, Innovation and Employment (Tenancy Services) to provide access to the standard under copyright licence LN001211. The reader is permitted to view and print this standard free of charge (subject to printing costs) for your own use. You are not permitted to reproduce any part of it without prior written permission from Standards New Zealand unless your actions are covered by Part 3 of the Copyright Act Standards New ZealandNOTES Standards New Zealand on behalf of the New Zealand Standards Executive has given permission to the Ministry of Business, Innovation and Employment (Tenancy Services) to provide access to the standard under copyright licence LN001211.

8 The reader is permitted to view and print this standard free of charge (subject to printing costs) for your own use. You are not permitted to reproduce any part of it without prior written permission from Standards New Zealand unless your actions are covered by Part 3 of the Copyright Act Standards New ZealandNew Zealand StandardNZS 4246:2016 ISBN (Print) 978-1-77664-528-2 ISBN (PDF) 978-1-77664-529-9 Energy efficiency Installing bulk thermal insulation in residential buildingsSuperseding NZS 4246:2006 Standards New Zealand on behalf of the New Zealand Standards Executive has given permission to the Ministry of Business, Innovation and Employment (Tenancy Services) to provide access to the standard under copyright licence LN001211. The reader is permitted to view and print this standard free of charge (subject to printing costs) for your own use.

9 You are not permitted to reproduce any part of it without prior written permission from Standards New Zealand unless your actions are covered by Part 3 of the Copyright Act Standards New ZealandNOTES Standards New Zealand on behalf of the New Zealand Standards Executive has given permission to the Ministry of Business, Innovation and Employment (Tenancy Services) to provide access to the standard under copyright licence LN001211. The reader is permitted to view and print this standard free of charge (subject to printing costs) for your own use. You are not permitted to reproduce any part of it without prior written permission from Standards New Zealand unless your actions are covered by Part 3 of the Copyright Act Standards New ZealandCOPYRIGHT Standards New ZealandiiiNZS 4246:2016 CONTENTSC ommittee representation IFCA cknowledgements IFCC opyright IFCR eferenced documents viiLatest revisions ixReview of standards ixForeword

10 XOutcome statement xSection1 INTRODUCTION 31 1 Scope 31 2 Interpretation Definitions 52 SPECIAL CONSIDERATIONS 132 1 General New Zealand Building Code compliance Building consent 152 4 Effect of poor insulation installation on thermal performance 152 5 Effect of insulation compression on thermal performance 162 6 Storage and transport 162 7 Labelling on site 162 8 Health and safety