through windows, ac units, trim, in the attic. The base was so thick a chainsaw was required. We started cutting the base and even sawing some of the larger roots under ground. Then, we applied a heavy dose of vinegar all over the thing until it started to die. We pulled. Then, we sprayed. It ripped the paint off the side of the house. We got those four down. Now, I'm fighting it all over the yard, along the fence lines. It's everywhere and difficult to get rid of.