Since pioneering the development of heavyweight reinforced polyethylene (RPE) geomembrane liner products in the 1980s, BTL™ has been the industry recognized leader in RPE liners, with sales volumes of our BTL™ and PPL™ liners approaching 50,000,000 square feet annually. We have the facilities and capabilities to create the largest panels in the industry, in excess of 150,000 square feet, all while maintaining the highest standards of customer service, speed of delivery and uncompromising quality.