<?xml version="1.0" encoding="UTF-8" standalone="no"?><?Xpress productLine="ncc-clause" ?><clause id="_075c6d98-4f35-4356-af14-4fad7af3aa79" outputclass="ncc-clause"><sptc>S2C16</sptc><title id="_dbb17866-a1e5-4d03-b4f9-af2e15fbd165">Gypsum-perlite or gypsum-vermiculite plaster or metal lath — walls</title><archive-num>2019: Sch. 5 (Annex): 7.1</archive-num><subclause id="_7869f641-9160-4d4d-bb80-8f0371343a74" outputclass="subclause"><title id="_2fe1f29e-4973-418f-8010-648ad1ecb17b">SubClause</title><num>1</num><p>In walls fabricated of gypsum-perlite or gypsum-vermiculite plaster on metal lath and channel—</p><ol outputclass="alpha"><li id="_b192d20a-129c-45fd-bc29-5339f83a5361">the lath must be securely wired to each side of 19 mm x 0.44 kg/m steel channels (used as studs) spaced at not more than 400 mm centres; and</li><li id="_8af16eb1-d8ba-4475-8c26-6cc538c314f8">the gypsum-perlite or gypsum-vermiculite plaster must be applied symmetrically to each exposed side of the lath.</li></ol></subclause></clause>