They make surfaces uncomfortable, uninviting and intimidating to pest birds. Spikes come in various sizes to effectively reduce roosting and perching birds from roof edges, parapet caps, tops of signs, exposed pipes, conduits etc. Bird Spike is effective in reducing bird pressure from non -nesting areas only. Spike consist of a polycarbonate base with protruding stainless spikes needles. It is environmentally safe and non-lethal. The needles are made of stainless steel so there is nothing to rust or deteriorate. Spikes also come with a stainless steel base if required. Spikes are safe, non‐toxic, non‐harmful, humane and eco‐friendly.