The above elements could be easily attach to the gutter and on the basis of their existing elasticity well to places where the tile supernatant is slightly larger, mount. A reduction of the elements in length and width succeeded without difficulty. Only the applied conductor must of course be topped up again. The installation is only possible, however, it comes with a second person who zureicht, faster and safer. Leaves and pine needles, what is at stake in this case especially, are ideally rejected and can no longer be deposited in the gutter. The elements are storm-proof; rainwater flows off unhindered.