Bird Barrier optical gel may be used to deter feral pigeons, gulls, and many other unwanted birds from roosting on buildings and other structures. It does so by altering their behavior, not by acting as a physical barrier. Once applied, birds will completely desert a habitat, even one they have been using for years. Multi-sensory bird repellent that has birds seeing fire or smoke, although there is not any and smelling peppermint oil, which they dislike. It also is sticky to the touch, which birds to not like to land on. Bird Barrier optical gel is supplied in ready-to-use plastic-dish containers. These should be affixed to surfaces with commercially available silicone adhesive or other suitable and removable adhesive.                                                                                                                                                

                              Courtesy of BirdBarrier