Weather Defence wins the British Construction Industry's prestigious 'Product Design Innovation of the Year' award Author Siniat Date 05/12/2014 Weather Defence E-mail Facebook LinkedIn Endorsements from contractors including BAM Construct, O’Shea, Galliard Homes, Kier Group, Manorcraft Interior Systems, Graham Construction helped secure the win. These contractors each appreciate the benefits of Weather Defence as an external sheathing board – its speed of installation, manual handling benefits and its sustainability credentials.