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<br /> Technical<br /> Extra<br /> October 2014 | Issue 15<br /> In this issue:<br /> NHBC STANDARDS<br /> Focus on cavity trays and DPCs page 3<br /> Movement joints in external masonry walls page 7<br /> Slating and tiling for pitched roofs – BS 5534 page 9<br /> REGULATION AND COMPLIANCE<br /> Type Approvals: Certificate changes page 11<br /> Building Regulations – Regulation 38 page 12<br /> Publication of Category 4 Screening Levels for<br /> land affected by contamination page 14<br /> GUIDANCE AND GOOD PRACTICE<br /> Copings and cappings to brick chimneys page 18<br /> Suspended beam and block concrete floors page 20<br /> Installation of GRP dormer win<a title="Technical Extra Issue 15 page 1" href="http://viewer.zmags.com/publication/b9c4917c?page=1"> Technical Extra October 2014 | Issue 15 In</a> <a title="Technical Extra Issue 15 page 2" href="http://viewer.zmags.com/publication/b9c4917c?page=2"> Foreword Welcome to Technical Extra 15 Our lea</a> <a title="Technical Extra Issue 15 page 3" href="http://viewer.zmags.com/publication/b9c4917c?page=3"> NHBC STANDARDS Focus on cavity trays and DPCs Le</a> <a title="Technical Extra Issue 15 page 4" href="http://viewer.zmags.com/publication/b9c4917c?page=4"> Focus on cavity trays and DPCs REQUIREMENTS Ho</a> <a title="Technical Extra Issue 15 page 5" href="http://viewer.zmags.com/publication/b9c4917c?page=5"> Focus on cavity trays and DPCs REQUIREMENTS (C</a> <a title="Technical Extra Issue 15 page 6" href="http://viewer.zmags.com/publication/b9c4917c?page=6"> Focus on cavity trays and DPCs REQUIREMENTS (C</a> <a title="Technical Extra Issue 15 page 7" href="http://viewer.zmags.com/publication/b9c4917c?page=7"> NHBC STANDARDS Movement joints in external mason</a> <a title="Technical Extra Issue 15 page 8" href="http://viewer.zmags.com/publication/b9c4917c?page=8"> Movement joints in external masonry walls REQUIR</a> <a title="Technical Extra Issue 15 page 9" href="http://viewer.zmags.com/publication/b9c4917c?page=9"> NHBC STANDARDS Slating and tiling for pitched ro</a> <a title="Technical Extra Issue 15 page 10" href="http://viewer.zmags.com/publication/b9c4917c?page=10"> Slating and tiling for pitched roofs – BS 5534 R</a> <a title="Technical Extra Issue 15 page 11" href="http://viewer.zmags.com/publication/b9c4917c?page=11"> REGULATION AND COMPLIANCE Type Approvals: Certifi</a> <a title="Technical Extra Issue 15 page 12" href="http://viewer.zmags.com/publication/b9c4917c?page=12"> REGULATION AND COMPLIANCE Building Regulations –</a> <a title="Technical Extra Issue 15 page 13" href="http://viewer.zmags.com/publication/b9c4917c?page=13"> Building Regulations – Regulation 38 GUIDANCE (C</a> <a title="Technical Extra Issue 15 page 14" href="http://viewer.zmags.com/publication/b9c4917c?page=14"> REGULATION AND COMPLIANCE Publication of Categor</a> <a title="Technical Extra Issue 15 page 15" href="http://viewer.zmags.com/publication/b9c4917c?page=15"> Publication of Category 4 Screening Levels for la</a> <a title="Technical Extra Issue 15 page 16" href="http://viewer.zmags.com/publication/b9c4917c?page=16"> Publication of Category 4 Screening Levels for la</a> <a title="Technical Extra Issue 15 page 17" href="http://viewer.zmags.com/publication/b9c4917c?page=17"> Publication of Category 4 Screening Levels for la</a> <a title="Technical Extra Issue 15 page 18" href="http://viewer.zmags.com/publication/b9c4917c?page=18"> GUIDANCE AND GOOD PRACTICE Copings and cappings </a> <a title="Technical Extra Issue 15 page 19" href="http://viewer.zmags.com/publication/b9c4917c?page=19"> Copings and cappings to brick chimneys GUIDANCE </a> <a title="Technical Extra Issue 15 page 20" href="http://viewer.zmags.com/publication/b9c4917c?page=20"> GUIDANCE AND GOOD PRACTICE Suspended beam and bl</a> <a title="Technical Extra Issue 15 page 21" href="http://viewer.zmags.com/publication/b9c4917c?page=21"> Suspended beam and block concrete floors GUIDANCE</a> <a title="Technical Extra Issue 15 page 22" href="http://viewer.zmags.com/publication/b9c4917c?page=22"> Suspended beam and block concrete floors GUIDANCE</a> <a title="Technical Extra Issue 15 page 23" href="http://viewer.zmags.com/publication/b9c4917c?page=23"> Suspended beam and block concrete floors GUIDANCE</a> <a title="Technical Extra Issue 15 page 24" href="http://viewer.zmags.com/publication/b9c4917c?page=24"> GUIDANCE AND GOOD PRACTICE Installation of GRP d</a> <a title="Technical Extra Issue 15 page 25" href="http://viewer.zmags.com/publication/b9c4917c?page=25"> GUIDANCE AND GOOD PRACTICE Audible cracking nois</a> <a title="Technical Extra Issue 15 page 26" href="http://viewer.zmags.com/publication/b9c4917c?page=26"> INFORMATION AND SUPPORT IMPROVE CUSTOMER EXPERIE</a> <a title="Technical Extra Issue 15 page 27" href="http://viewer.zmags.com/publication/b9c4917c?page=27"> TECHNICAL NEWS COMPLIANCE ALERT FOR REBAR MATERI</a> <a title="Technical Extra Issue 15 page 28" href="http://viewer.zmags.com/publication/b9c4917c?page=28"> Useful contacts for technical information and adv</a>