Bird spike is the best solution to prevent birds and climbing animals from the building without hurting them. It is used to prevent possible damages and maintenance costs. Bird spikes are designed in such a way that they have a narrow, flexible base with long needle-type metals. It prevents birds from reaching the surface, thus preventing any kind of roosting. It is illegal to kill or hurt any kind of animal or bird, so bird spikes are the best way to protect your building from birds and high-climbing animals.