<?xml version="1.0" encoding="UTF-8" standalone="no"?><?Xpress productLine="ncc-clause" ?><clause id="_93ad9a96-e5cf-4ef5-ba4e-678d3bd3b4a9" outputclass="ncc-clause" variation="NSW"><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="_b26ad031-a841-4cca-8032-80c7225903bb">Damp-proofing membrane</title><archive-num>2019: NSW 3.2.2.6</archive-num><subclause id="_f807ab10-e1ed-4c62-b5b3-889d8fd5c6f3" outputclass="subclause"><title id="_8b1118d4-2671-4497-93c2-372d6ee5f2ba">SubClause</title><num>1</num><p>A damp-proofing membrane must be installed under slab-on-ground construction for a Class 1 building and for a Class 10 building where the slab is continuous with the slab of a Class 1 building in accordance with (2), (3), (4) and (5).</p></subclause><subclause id="_c40173e6-0cc4-4518-8c08-586a172e9980" outputclass="subclause"><title id="_602731b0-de85-4af8-b4cb-991d3056b819">SubClause</title><num>2</num><p>Materials: A damp-proofing membrane must be—</p><ol outputclass="alpha"><li id="_2efafab6-727f-4b86-805f-0b94cc9143d1">0.2 mm nominal thickness polyethylene film; and</li><li id="_bbfd9d3f-c5e3-4503-9c45-7475054d5106">high impact resistant, </li></ol><p>determined in accordance with criteria specified in clause 5.3.3.3 of AS 2870.</p></subclause><subclause id="_aaa8dd7a-0cde-4796-9d60-d07b5f44575f" outputclass="subclause"><title id="_f49069cd-ccde-469e-8209-4ead08da8a89">SubClause</title><num>3</num><p>A damp-proofing membrane must be branded continuously “AS 2870 Concrete underlay, 0.2 mm High impact resistance”.</p></subclause><subclause id="_cb296d5c-a011-4b5e-ace4-d082dc6cd5f2" outputclass="subclause"><title id="_f5ab0d8c-ab3b-46f9-86a8-066ee41eaa8e">SubClause</title><num>4</num><p>Installation: A damp-proofing membrane must be installed as follows—</p><ol outputclass="alpha"><li id="_9f4ddf91-ad8e-48c6-b002-cd3d275a93b4">Lap not less than 200 mm at all joints.</li><li id="_be529cc3-db66-48ca-b80e-feff9ccdb0d5">Tape or seal with a close-fitting sleeve around all service penetrations.</li><li id="_dcda9341-2338-480f-a1f3-13608466b9ec">Fully seal where punctured (unless for service penetrations) with additional polyethylene film and tape.</li></ol></subclause><subclause id="_0c76cb38-9833-43e6-adba-e27c901217d7" outputclass="subclause"><title id="_693d8a56-282a-4bb9-a633-a86b168639c0">SubClause</title><num>5</num><p>The damp-proofing membrane must be placed beneath the slab so that the bottom surface of the slab is entirely underlaid and must extend under internal and 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="_352cbc1f-78ad-4c81-9841-4b04ef2d9e3c" referencetype="Text" scope="local" synctargettext="false" type="image-reference">Figure 4.2.8</xref>.</p></subclause><callout id="_6d38eba7-6a17-4547-8e72-cd66797e8fe4"><callout-type ncc-info-type="notes"/><p>A range of polyethylene films can be used, including black film and orange film, provided they satisfy the requirements for high impact resistance in accordance with the criteria specified in clause 5.3.3.3 of AS 2870.</p></callout></clause>