<?xml version="1.0" encoding="UTF-8" standalone="no"?><?Xpress productLine="ncc-clause" ?><clause id="_d9e5be64-c6f6-492e-8c6d-0f609627076e" outputclass="ncc-clause" variation="SA"><meta><facet building="Class 2"/><facet building="Class 3"/><facet building="Class 4"/><facet building="Class 5"/><facet building="Class 6"/><facet building="Class 7a"/><facet building="Class 7b"/><facet building="Class 8"/><facet building="Class 9a"/><facet building="Class 9b"/><facet building="Class 9c"/><facet climate="Climate zone 8"/></meta><sptc>4.2.8</sptc><title id="_ff93b839-b32a-4512-954d-5fb2a74f8980">Damp-proofing membrane</title><archive-num>2019: SA 3.2.2.6</archive-num><subclause id="_dbe05baa-b686-49e5-b1e4-68f7e5b7269f" outputclass="subclause"><title id="_a56fdf2d-0f90-419c-8494-2a16ef3699b4">SubClause</title><num>1</num><p>A continuous damp-proofing membrane must be installed under slab-on-ground construction for all Class 1 buildings and for Class 10 buildings where the slab is continuous with the slab of a Class 1 building as follows—</p><ol outputclass="alpha"><li id="_f0a37923-60c6-4b2f-b1b7-421618436456">Materials: A damp-proofing membrane must be—<ol><li id="_72bad369-062b-4b7d-be7f-3d7a9f083232">0.2 mm nominal thickness polyethylene film; and</li><li id="_77f4eb39-158d-4917-b735-dd05cf9f36ee">high impact resistant with resistance to puncturing and moisture penetration, determined in accordance with criteria specified in clause 5.3.3.3 of AS 2870; and</li><li>branded continuously “AS 2870 Concrete underlay, 0.2 mm High impact resistance” together with the manufacturer’s or distributor’s name, trade mark or code.</li></ol></li><li id="_b4513d91-b8c2-4e85-a154-7e0cb167792f">Installation: A damp-proofing membrane must be installed as follows—<ol><li id="_1260b06c-71b5-4ffb-aeca-4a8d45d78d54">lap not less than 200 mm at all joints; and</li><li id="_e6d5d218-c00c-4d3f-9e0d-80d10b3963c0">tape or seal with a close fitting sleeve around all service penetrations; and</li><li id="_2e085237-ff8a-4c7e-b0d7-bcc794e02fc4">fully seal where punctured (unless for service penetrations) with additional polyethylene film and tape.</li></ol></li><li id="_6ed098e1-2003-4a97-ab80-b96f4a2d9708">The damp-proofing membrane must be placed beneath the slab so that the bottom surface of the slab is entirely underlaid and extends under edge beams to finish at ground level in accordance with <xref format="dita" href="/tmp/QppServer/Publishing/5e2c1f63-e589-4ce1-95e8-5c3e286a7aff/542_0.19.0.xml#_5b6e2b34-e6aa-4e69-a758-12f28e103099" id="_bd240420-2db7-4183-bf71-ed907f69d713" referencetype="Text" scope="local" synctargettext="false" type="image-reference">Figure 4.2.8</xref>.</li></ol></subclause></clause>