INSTALLATION Stainless SPIKES can be mounted on any surface whether flat, curved or irregular, and on any material, whether easement, metal, canvas, glass or wood, 247 units affix quickly with SPI Special Adhesive, screws, pa wire ties, ete. Units may be “snapped” to fit lengths less than 24", Always firmly attach Stainless SPIKES never balance sections precariously or wedge them. COVERAGE Stainless SPIKES is only effective where applied; nearby prospected areas WAL WA can encourage roosting.