metal spike anti-roosting or bird prevention and repellent strip. bird control concept.

metal spike anti-roosting bird prevention repellent strip control old classic exterior elevation detail sharp needles european building architecture attached background city concept construction decorative design deterrent device europe facade house installation ledge mechanism needle window ornament pigeon repel roof roosting siding sill steel structure technology top trim urban wall zink spiked clay tile edge wood beam clay tile roof edge preventing keeping away anti-nesting nesting technology