Extracted from Iceland’s Mt. Hekla volcano, Isokern products are made from the cleanest, purest pumice. Manufactured in the United States, Isokern masonry components cradle the raw power of fire in the safest, most energy-efficient material on earth. Isokern allows architects and their clients to pursue their most inspired designs, while connecting with the natural beauty of fire in a way that, until now, only nature could.