Remains effective for four years without maintenance or replacement
Is impervious to all climatic conditions (rain, snow, wind, etc)
Will not melt or run in extreme heat
Remains effective when discoloured by pollution
Remains effective when covered by dust or dirt.
Bird Free retains efficacy in polluted environments
Bird Free emits UV radiation. This visual stimulus acts as a constant reminder to the bird that it should not return to a site treated with Bird Free. Because UV radiation is only blocked by solid objects, not particulates, Bird Free remains effective, even when covered in dust, dirt or rainwater.