We bought one panel of Ondura roofing to complete our chicken coop primarily because it was lightweight and flexible enough to bend and fit in the back of our Toyota Yaris hatchback. It was about 22 dollars for the panel, and to install it correctly we also needed to purchase nails affixed with rubber washers (about $12 for a box of 100). The panel is made of 50% recycled materials, primarily asphalt and cellulose fiber.
It was awkward to work with because of its size and its floppiness factor. You are supposed to use a carbide-tipped circular saw blade mounted backwards to cut it (for cuts perpendicular to the ridges and valleys), but we used a regular blade because that’s what we had available on a Sunday evening. The main issue was the buildup of shredded rubbery fuzz that the cutting process created (which is not much of an issue at all). We also had a hard time because the material crowded the blade once we were a foot or so into the cut – much like, but worse than making long cuts in plywood. It helped to have another person pull the cut section away from the blade so the blade could cut more smoothly. It probably would have helped to have the correct circular saw blade to cut it ! Cutting parallel to the ridges and valleys was a much easier job, completed by scoring the panel a few times with a utility knife and then bending it at the scored line. It broke cleanly and easily.
Overall it was a quick job and the product was easy to work with. We’ll have to wait and see how the chicken coop holds up in the years to come, but it sure does look cute. I’ll post a pic of the coop when it’s finished.