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Flock-Off Anti Roost Spikes

Feral Pigeons (Columbia Livia) in large numbers can be a nuisance and a health threat. Droppings can destroy


  1. Semi-flexible round topped (to prevent injury to birds) UV stabilised polycarbonate bayonet spikes, 100mm high, set diagonally
  2. Spikes 35mm apart but diagonal setting reduces effective gap to 28mm
  3. UV stabilised polycarbonate base strips are 333mm long, 20mm wide and 4mm thick
  4. Receiving space for 'jigsaw' type press attachment
  5. Slightly curved ends to allow joined strips to follow slight curves in receiving surface. (E.g. certain canopies, balconies etc.)
  6. Grooves to enable the strip to be snapped off for precise fittings
  7. Holes for screws or masonry nails


"Flock-Off" bird deterrents are UV-stabilised polycarbonate anti-perching devices which prevent large birds, such as feral pigeons, jackdaws, crows and most seagulls, from perching and roosting on building ledges, beams, pipes and ridge-tiles.

"Flock-Off" bird deterrents are one-piece constructions, so no assembly is required and no corrosion or rusting occurs.

"Flock-Off" bird deterrents are non-conductive. They will not interfere with electronic security systems, or radio signals and transmissions and, unlike metal spikes and wires, they will not attract lightning during thunder storms.

Each piece of "Flock-Off" is 333mm long with 6 pairs of spikes. The spikes are:-

  • 100mm in height.
  • 55mm apart, but set diagonally, thereby reducing the effective gap to 28mm.
  • Splayed, giving a depth coverage of 65mm.
  • Round-topped and semi-flexible, to prevent injury to birds. (a concern of the environmentalist lobby.)

The base of each piece of "Flock-Off" is 20mm wide and 4mm thick and has the following features:-

  • 6 holes for fitting with screws or masonry nails.
  • 4 snap-off grooves to facilitate precise installation.
  • Curved underside for closer fitting to pipes and ridge-tiles.
  • "Jig-Saw" type connections (male and female) for joining pieces together.

"Flock-Off" is available in the most popular "chameleon clear" form which being glass-like, makes it unobtrusive and so does not detract from a building's appearance.

"Flock-Off" is accordingly endorsed by architects.

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