Flock Blocker - Window Collision Prevention
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Window-caused bird mortalities claim up to 1 billion bird lives each year. As bird lovers we can and should all do our part by marking our windows and sharing this information with others. With a little DIY attitude, a white window marker, and our Flock Blocker, we can reduce bird collisions on windows and reflective surfaces by up to 95%! This well-studied pattern of white dots is one of the most effective methods to reduce window collisions while maximizing your view of your favorite backyard birds. Simply fill your window with this anti-collision grid.
Tips for Using the Flock Blocker:
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Apply the window marker ink at temperatures between 65°F and 85°F (18°C to 30°C). Lower temperatures may prevent the chalk marker from adhering correctly. High temperatures may cause the marker to dry very quickly.
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We recommend using a permanent-style acrylic marker for greater longevity. The provided chalk marker is temporary and not rainproof.
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Clean and dry the window thoroughly before applying the marker.
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Apply the window marker allowing 4 to 6 hours to dry before precipitation events.
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Apply a pinched piece of duct tape to the face of the Flock Blocker to act as a finger hold, so you can quickly pull the template off the glass without smearing any wet ink.
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Start with the most problematic window and work towards the ones with the least history of collisions.
Product Normally Ships within 2 -3 business days.
