Here at North American Supaflu we restore and repair damaged and deteriorated chimneys and fireplaces while preserving their appearance and integrity. Our expertise and workmanship combined with our zero-clearance Supaflu lining material ensures the quality, professional results your project deserves. Supaflu is the chimney liner system that utilizes the innovative and unique process for lining masonry chimneys know as the "cast-in-place" technique. The Supaflu chimney liner is a UL listed, lightweight, insulating, cementitious material designed to withstand 2100 degrees Fahrenheit. For more information and a detailed video of how the cast in place process is done please visit our website www.supaflu.com