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<br /> Technical<br /> Extra<br /> April 2016 | Issue 20<br /> In this issue:<br /> NHBC STANDARDS<br /> External render and its application page 3<br /> Fixing of wall lateral restraint straps to trussed rafter roofs page 4<br /> REGULATION AND COMPLIANCE<br /> Installation of gas in apartment blocks page 7<br /> GUIDANCE AND GOOD PRACTICE<br /> Ground gas update – site assessment, characterisation<br /> and design of gas protection measures page 9<br /> Structural reinforced in-situ concrete toppings for use with<br /> beam and block suspended ground floors in<br /> residential construction page 14<br /> NHBC Foundation page 17<br /> INFORMATION AND SUPPORT<br /> Information and Support <a title="Technical Extra Issue 20 page 1" href="http://viewer.zmags.com/publication/bc01beab?page=1"> Technical Extra April 2016 | Issue 20 In t</a> <a title="Technical Extra Issue 20 page 2" href="http://viewer.zmags.com/publication/bc01beab?page=2"> Foreword Welcome to Technical Extra 20 As this</a> <a title="Technical Extra Issue 20 page 3" href="http://viewer.zmags.com/publication/bc01beab?page=3"> NHBC STANDARDS External render and its applicati</a> <a title="Technical Extra Issue 20 page 4" href="http://viewer.zmags.com/publication/bc01beab?page=4"> NHBC STANDARDS Fixing of wall lateral restraint </a> <a title="Technical Extra Issue 20 page 5" href="http://viewer.zmags.com/publication/bc01beab?page=5"> Fixing of wall lateral restraint straps to trusse</a> <a title="Technical Extra Issue 20 page 6" href="http://viewer.zmags.com/publication/bc01beab?page=6"> Fixing of wall lateral restraint straps to trusse</a> <a title="Technical Extra Issue 20 page 7" href="http://viewer.zmags.com/publication/bc01beab?page=7"> REGULATION AND COMPLIANCE Installation of gas in</a> <a title="Technical Extra Issue 20 page 8" href="http://viewer.zmags.com/publication/bc01beab?page=8"> Installation of gas in apartment blocks REQUIREM</a> <a title="Technical Extra Issue 20 page 9" href="http://viewer.zmags.com/publication/bc01beab?page=9"> GUIDANCE AND GOOD PRACTICE Ground gas update – s</a> <a title="Technical Extra Issue 20 page 10" href="http://viewer.zmags.com/publication/bc01beab?page=10"> Ground gas update – site assessment, characterisa</a> <a title="Technical Extra Issue 20 page 11" href="http://viewer.zmags.com/publication/bc01beab?page=11"> Ground gas update – site assessment, characterisa</a> <a title="Technical Extra Issue 20 page 12" href="http://viewer.zmags.com/publication/bc01beab?page=12"> Ground gas update – site assessment, characterisa</a> <a title="Technical Extra Issue 20 page 13" href="http://viewer.zmags.com/publication/bc01beab?page=13"> Ground gas update – site assessment, characterisa</a> <a title="Technical Extra Issue 20 page 14" href="http://viewer.zmags.com/publication/bc01beab?page=14"> GUIDANCE AND GOOD PRACTICE Structural reinforced</a> <a title="Technical Extra Issue 20 page 15" href="http://viewer.zmags.com/publication/bc01beab?page=15"> Structural reinforced in-situ concrete toppings f</a> <a title="Technical Extra Issue 20 page 16" href="http://viewer.zmags.com/publication/bc01beab?page=16"> Structural reinforced in-situ concrete toppings f</a> <a title="Technical Extra Issue 20 page 17" href="http://viewer.zmags.com/publication/bc01beab?page=17"> GUIDANCE AND GOOD PRACTICE NHBC Foundation Who s</a> <a title="Technical Extra Issue 20 page 18" href="http://viewer.zmags.com/publication/bc01beab?page=18"> NHBC Foundation GUIDANCE (CONTINUED) The conn</a> <a title="Technical Extra Issue 20 page 19" href="http://viewer.zmags.com/publication/bc01beab?page=19"> INFORMATION AND SUPPORT NHBC ONSITE To support s</a> <a title="Technical Extra Issue 20 page 20" href="http://viewer.zmags.com/publication/bc01beab?page=20"> Useful contacts for technical information and adv</a>