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<br /> Technical<br /> Extra<br /> January 2018 | Issue 23<br /> NHBC Standards<br /> n Standards 2018 - what's new? page 3<br /> n Requirements for timber frame certification page 4<br /> Regulation and compliance<br /> n Vehicle access for fire appliances page 5<br /> Guidance and good practice<br /> n Construction Quality Reviews page 9<br /> n Drainage under suspended floors page 16<br /> n Spandrel panels page 18<br /> n NHBC Foundation page 20<br /> n Fibres in structural floor toppings page 22<br /> Information and support<br /> n Information and support page 23<br /> Foreword<br /> Welcome to Technical Extra 23<br /> Standards 2018, the latest editi<a title="Technical Extra Issue 23 page 1" href="http://viewer.zmags.com/publication/000843a2?page=1"> Technical Extra January 2018 | Issue 23 NHBC St</a> <a title="Technical Extra Issue 23 page 2" href="http://viewer.zmags.com/publication/000843a2?page=2"> Foreword Welcome to Technical Extra 23 Standard</a> <a title="Technical Extra Issue 23 page 3" href="http://viewer.zmags.com/publication/000843a2?page=3"> NHBC Standards Who should read this: Architects,</a> <a title="Technical Extra Issue 23 page 4" href="http://viewer.zmags.com/publication/000843a2?page=4"> NHBC Standards Requirements for timber frame ce</a> <a title="Technical Extra Issue 23 page 5" href="http://viewer.zmags.com/publication/000843a2?page=5"> Regulation and compliance Who should read this: </a> <a title="Technical Extra Issue 23 page 6" href="http://viewer.zmags.com/publication/000843a2?page=6"> Regulation and compliance Vehicle access for fir</a> <a title="Technical Extra Issue 23 page 7" href="http://viewer.zmags.com/publication/000843a2?page=7"> Regulation and compliance Vehicle access for fir</a> <a title="Technical Extra Issue 23 page 8" href="http://viewer.zmags.com/publication/000843a2?page=8"> Regulation and compliance Vehicle access for fir</a> <a title="Technical Extra Issue 23 page 9" href="http://viewer.zmags.com/publication/000843a2?page=9"> Guidance and good practice Who should read this</a> <a title="Technical Extra Issue 23 page 10" href="http://viewer.zmags.com/publication/000843a2?page=10"> Guidance and good practice Construction Quality</a> <a title="Technical Extra Issue 23 page 11" href="http://viewer.zmags.com/publication/000843a2?page=11"> Guidance and good practice Construction Quality</a> <a title="Technical Extra Issue 23 page 12" href="http://viewer.zmags.com/publication/000843a2?page=12"> Guidance and good practice Construction Quality</a> <a title="Technical Extra Issue 23 page 13" href="http://viewer.zmags.com/publication/000843a2?page=13"> Guidance and good practice Construction Quality</a> <a title="Technical Extra Issue 23 page 14" href="http://viewer.zmags.com/publication/000843a2?page=14"> Guidance and good practice Construction Quality</a> <a title="Technical Extra Issue 23 page 15" href="http://viewer.zmags.com/publication/000843a2?page=15"> Guidance and good practice Construction Quality</a> <a title="Technical Extra Issue 23 page 16" href="http://viewer.zmags.com/publication/000843a2?page=16"> Guidance and good practice Drainage under suspe</a> <a title="Technical Extra Issue 23 page 17" href="http://viewer.zmags.com/publication/000843a2?page=17"> Guidance and good practice Drainage under suspe</a> <a title="Technical Extra Issue 23 page 18" href="http://viewer.zmags.com/publication/000843a2?page=18"> Guidance and good practice Who should read th</a> <a title="Technical Extra Issue 23 page 19" href="http://viewer.zmags.com/publication/000843a2?page=19"> Guidance and good practice Spandrel panels Guid</a> <a title="Technical Extra Issue 23 page 20" href="http://viewer.zmags.com/publication/000843a2?page=20"> Guidance and good practice NHBC Foundation Who </a> <a title="Technical Extra Issue 23 page 21" href="http://viewer.zmags.com/publication/000843a2?page=21"> Guidance and good practice NHBC Foundation Guid</a> <a title="Technical Extra Issue 23 page 22" href="http://viewer.zmags.com/publication/000843a2?page=22"> Guidance and good practice Who should read th</a> <a title="Technical Extra Issue 23 page 23" href="http://viewer.zmags.com/publication/000843a2?page=23"> Information and support Information and support</a> <a title="Technical Extra Issue 23 page 24" href="http://viewer.zmags.com/publication/000843a2?page=24"> Information and support Information and support</a> <a title="Technical Extra Issue 23 page 25" href="http://viewer.zmags.com/publication/000843a2?page=25"> NOTES </a> <a title="Technical Extra Issue 23 page 26" href="http://viewer.zmags.com/publication/000843a2?page=26"> NOTES </a> <a title="Technical Extra Issue 23 page 27" href="http://viewer.zmags.com/publication/000843a2?page=27"> NOTES </a> <a title="Technical Extra Issue 23 page 28" href="http://viewer.zmags.com/publication/000843a2?page=28"> Useful contacts for technical information and adv</a>