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Need to insulate the walls of basements and other below ground structures? Then Perimate Di-A made from Dow Chemical's Styrofoam is claimed to be the solution. The chemicals giant says Perimate has been designed to offer maximum thermal performance matched with speed and ease of insulation to make it 'the perfect choice' for insulating below ground heated rooms. Made from Styrofoam ? the high performance, blue, rigid extruded foamed polystyrene insulation ubiquitous on UK construction sites ? it is designed not only to provide effective insulation but also give protection to the waterproof membrane and assist drainage. It is simple to install being simply stuck on the tanking membrane .

This product appeared in Building Products more than 12 months ago. Please contact Dow Chemical Company Ltd directly for further details.