There is a decrease in the number of birds – from 213,271 detections per 8 days with average of 26,659 per day to 10,682 per 8 days with average of 1,526 detections per day. This resulted in an extremely clean roof, without habituation of any single bird. Thus, the manufacturer do not need to use any more the services of the cleaning company for its roof and they have reported to Volacom a high level of satisfaction from the BCAS.