4mm polystyrene with graphite components : laminated to a �ready to go� quality lining : added graphite components increase heat saving properties by up 20% : improved material stability and strength : combats mould and damp formation for a healthier home : twice as thick as regular polystyrene wall veneers : quick and effective insulation of inside walls : reduces external noise pollution : cfc free : fire rated : energy saving trust listed
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