Excluding bats from roofs
Exclusion is the process by which bats are removed from buildings, using a humane, non-lethal method,
at those times during the year when there are no young present. Simply put, exclusion is the blocking up of the batsí access points
after they have left the roofs during the evening to hunt for food.
Reasons to Exclude
While it is preferable to simply
allow the bats to remain in the roof spaces, there are circumstances that could make exclusion necessary. These are:
∑ If poisoning or fumigation of the roof is to take place to eliminate wood borer or other insects;
∑ Renovation or reconstruction of roofs which could result in the injury or death of bats, or the closing of their exit points;
∑ If a very large colony of bats has caused problems like excessive noise, smell, or sagging ceilings due to the accumulation of guano,
and other methods of minimizing these problems have had limited success.
Exclusion is difficult and time consuming and best done by experts, although this is expensive.