Rick writes “How to make ultra light weight boats and canoes. Plans are available but there are enough details on the web site for you to go from there.” From the site: What is Geodesic Airolite Construction? It is a simple, inexpensive, low-tech, forgiving system utilizing some exotic materials. The sequence consists of building a simple rugged wood framework, braced with triangulated KEVLARÂ® roving strands. This tough basket-like frame is then covered with Dacron. This is a first cousin to sail cloth; except it heat shrinks. It is a super-weight, airplane wing covering type of fabric, used on crop dusters. Link.