{"id":57271,"date":"2019-05-20T13:44:54","date_gmt":"2019-05-20T12:44:54","guid":{"rendered":"https:\/\/www.pbctoday.co.uk\/news\/?p=57271"},"modified":"2019-06-11T16:56:29","modified_gmt":"2019-06-11T15:56:29","slug":"external-wall-insulation-systems","status":"publish","type":"post","link":"https:\/\/www.pbctoday.co.uk\/news\/building-control-news\/external-wall-insulation-systems\/57271\/","title":{"rendered":"BBA releases EWIS wind-loading technical case study"},"content":{"rendered":"

Building designers, specifiers and contractors working with external wall insulation systems (EWIS) have fresh technical information at their fingertips following the publication of the British Board of Agr\u00e9ment\u2019s \u2018Resistance to Wind-Load\u2019 literature.<\/h2>\n

The document examines potential issues created by poor system design and installation in relation to wind-load resistance and offers information on addressing negative wind-load, freeze-thaw, weather exposure and assessing the supporting structure\/substrate prior to an EWIS installation.<\/p>\n

\u201cRecent reports of EWIS structural failures worldwide have raised technical bodies\u2019 awareness regarding these systems\u2019 resistance to wind loading,\u201d states the literature.<\/p>\n

\u201cThe collapse of EWIS – which are often rendered with heavy finishes – from the external walls of high-rise buildings can cause property damage, serious injury and fatalities.<\/p>\n

\u201cAlthough the thermal performance is the most important feature for users, the structural stability of the system is often overlooked by the non-technical community. It is important when designing and specifying EWIS\u2019s to consider every mechanism by which they resist applied static and dynamic loads.\u201d<\/p>\n

To emphasise the importance of structural integrity, the BBA has revised all current EWIS certificates in relation to strength and stability and is offering training on wind-load resistance to certificate holders, suppliers and architects. The training provides technical guidance on understanding and applying design data in certificates; following the principles detailed on BBA certificates can provide a mechanism for satisfying Part A of the Building Regulations.<\/p>\n

To download \u2018Resistance to Wind-Loading\u2019 visit https:\/\/bit.ly\/2Vwc8K5<\/a><\/p>\n

The BBA is the UK\u2019s leading provider of certification, audit, inspection and testing services to the building materials and construction sectors.<\/p>\n

\n<\/div>","protected":false},"excerpt":{"rendered":"

Building designers, specifiers and contractors working with external wall insulation systems (EWIS) have fresh technical guidance following the publication of the BBA’s \u2018Resistance to 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