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<br /> Technical<br /> Extra<br /> February 2012 | Issue 06<br /> In this issue:<br /> NHBC STANDARDS<br /> Low or zero carbon technologies – Chapter 3.1 one year on page 2<br /> Residual cavities page 4<br /> Vapour permeable roof underlays page 5<br /> When windows and doors become walls page 6<br /> guiDANCe AND gooD pRACTiCe<br /> Façade systems – NHBC Technical Requirements for testing<br /> and certification page 8<br /> Long span profile decking composite floors page 11<br /> Rooms at the top – light gauge steel frame construction page 13<br /> NHBC Foundation page 16<br /> iNfoRmATioN AND SuppoRT<br /> Index of Technical Extra a<a title="Technical Extra issue 6 page 1" href="http://viewer.zmags.com/publication/12f2a96d?page=1"> Technical Extra February 2012 | Issue 06 I</a> <a title="Technical Extra issue 6 page 2" href="http://viewer.zmags.com/publication/12f2a96d?page=2"> NHBC STANDARDS Low or zero carbon technologies –</a> <a title="Technical Extra issue 6 page 3" href="http://viewer.zmags.com/publication/12f2a96d?page=3"> Low or zero carbon technologies – Chapter 3.1 one</a> <a title="Technical Extra issue 6 page 4" href="http://viewer.zmags.com/publication/12f2a96d?page=4"> NHBC STANDARDS Residual cavities Who should read</a> <a title="Technical Extra issue 6 page 5" href="http://viewer.zmags.com/publication/12f2a96d?page=5"> Vapour permeable roof underlays Who should read t</a> <a title="Technical Extra issue 6 page 6" href="http://viewer.zmags.com/publication/12f2a96d?page=6"> NHBC STANDARDS When doors and windows become wal</a> <a title="Technical Extra issue 6 page 7" href="http://viewer.zmags.com/publication/12f2a96d?page=7"> When doors and windows become walls rEquIrEmEnts</a> <a title="Technical Extra issue 6 page 8" href="http://viewer.zmags.com/publication/12f2a96d?page=8"> guiDANCe AND gooD pRACTiCe Façade systems – NHBC</a> <a title="Technical Extra issue 6 page 9" href="http://viewer.zmags.com/publication/12f2a96d?page=9"> Façade Systems – NHBC Technical Requirements for </a> <a title="Technical Extra issue 6 page 10" href="http://viewer.zmags.com/publication/12f2a96d?page=10"> guiDANCe AND gooD pRACTiCe Façade Systems – NHBC</a> <a title="Technical Extra issue 6 page 11" href="http://viewer.zmags.com/publication/12f2a96d?page=11"> Long span profile decking composite floors Who shou</a> <a title="Technical Extra issue 6 page 12" href="http://viewer.zmags.com/publication/12f2a96d?page=12"> guiDANCe AND gooD pRACTiCe Long span profile deck</a> <a title="Technical Extra issue 6 page 13" href="http://viewer.zmags.com/publication/12f2a96d?page=13"> Rooms at the top – light gauge steel frame constr</a> <a title="Technical Extra issue 6 page 14" href="http://viewer.zmags.com/publication/12f2a96d?page=14"> guiDANCe AND gooD pRACTiCe Rooms at the top – li</a> <a title="Technical Extra issue 6 page 15" href="http://viewer.zmags.com/publication/12f2a96d?page=15"> Rooms at the top – light gauge steel frame constr</a> <a title="Technical Extra issue 6 page 16" href="http://viewer.zmags.com/publication/12f2a96d?page=16"> guiDANCe AND gooD pRACTiCe NHBC Foundation Who s</a> <a title="Technical Extra issue 6 page 17" href="http://viewer.zmags.com/publication/12f2a96d?page=17"> NHBC Foundation GuIdAncE (contInuEd) homes is si</a> <a title="Technical Extra issue 6 page 18" href="http://viewer.zmags.com/publication/12f2a96d?page=18"> INFoRmaTIoN aNd SuppoRT Index of Technical Extra</a> <a title="Technical Extra issue 6 page 19" href="http://viewer.zmags.com/publication/12f2a96d?page=19"> Index of Technical Extra articles February 2011 –</a> <a title="Technical Extra issue 6 page 20" href="http://viewer.zmags.com/publication/12f2a96d?page=20"> INFoRmaTIoN aNd SuppoRT nHBc EXtrAnEt – EFFIcIEn</a> <a title="Technical Extra issue 6 page 21" href="http://viewer.zmags.com/publication/12f2a96d?page=21"> uPcomInG tEcHnIcAl EvEnts Building for tomorro</a> <a title="Technical Extra issue 6 page 22" href="http://viewer.zmags.com/publication/12f2a96d?page=22"> notEs: </a> <a title="Technical Extra issue 6 page 23" href="http://viewer.zmags.com/publication/12f2a96d?page=23"> notEs: </a> <a title="Technical Extra issue 6 page 24" href="http://viewer.zmags.com/publication/12f2a96d?page=24"> useful contacts for technical information and adv</a>