A blast-resistant cladding system from Sapa Building Systems has been used on a new Welsh Assembly building at Llandudno Junction in North Wales.

Powerframe curtain walling, windows and doors were used for the £1.5m cladding package on the 8,800m2 office, which will accommodate 650 staff. The company said the system featured a polyvinyl butyl membrane, which retained glass splinters in the event of a blast. It is clamped firmly into aluminium frames which in turn are anchored by steel subframes. In a blast the glass acts as a crumple zone, helping by deflecting up to 300mm and absorbing blast pressure on the facade.
Sapa Building Systems
www.sapabuildingsystems.co.uk

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