For more than 50 years Visqueen Building Products, part of British Polythene Industries PLC, has been recognised as the leader in the development, manufacture and supply of high performance, high quality construction materials including bestselling damp proof membranes, damp proof courses and gas barrier systems. Visegrip's unrelenting strategy of product innovation has resulted in our extensive market leading range of damp proof courses and membranes, gas protection and below ground waterproofing systems.