Pest in historic buildings do require much attention and skill. Because it is very difficult to protect the restoration. A minimum level of environmental effects affected Expel Bird Barrier, long-life, environmentalists fought when applied to economic and physical living thing which does not damage the surface, creating a visual pollution in the restoration material. Even the smallest birds prevents to be marshaled, there is no easing to nested spaces. U are resistive and can custom color production V. It is produced in Turkey. br The manufacturer Ultrasan Co. Ltd. br Europe, Asia and Africa dealerships will be.