I'm thinking about pulling the trigger on a Sooteater Chimney System. I currently have sem-flexible 4' rods that cleans a six-inch SS-liner around 36' long. Since I clean from the bottom-up anyway, this could be a good investment. My setup doesn't have any extreme bends. I did some research and read that some people had problems cleaning from the bottom-up when the Sooteater hit the chimney cap. Since I do have a cap, this is a concern. Another concern, is the Sooteater capable of handling rods that extend to around 36' long?. Three of my existing rods have cracks in them due to a bend that begins at the top of the insert. Yet again, these rods are not that flexible and have lasted for a few years... Any help is appreciated..