Bird spikes - We offer America's top system for repelling and eliminating unsightly bird droppings. With our bird spikes you get the widest coverage of any physical bird deterrent. To deter any size bird from landing and roosting, we offer one piece construction. One row of Bird Spikes will cover twice the area of any other spike product. Its Non-Conductive! Will Not Interfere with Electical or Communication Transmissions! Bird Spikes block pest birds from their roof "landing strips" with the most effective "keep off" sign you can post.