This tape does appear to be super strong. I'm using it to attach poly panels along the bottom of a garden hoop house. We had a sunroom collapse this past winter and were able to salvage enough of the poly windows to use around the bottom of a new pvc hoophouse. With no frame for the windows, I needed a way to keep the sides of each window panel attached to each other. I decided to give this a try. It's been rained on, plus gotten wet from the sprinkler, but so far, it's holding up and hasn't comSee full review