http://www.paverpol.com/index.php?option=com_content=article=91=58=en# or http://www.paverpolusa.com/gallery.html Paverpol can be used to make all sorts of natural materials rockhard, such as textiles, paper, chamois leather, fiberglass, self-hardening clay and all kinds of natural materials. It will adhere to wood, ceramics, plaster, concrete, stone and tempex (polystyrene foam) etc. Read more about Paverpol.