It is known that rock pigeons seek out niches and like to go under PV systems. ZIWI has developed a patent with adjustable tips to ward them off. The aim is to make it as easy as possible to work on the roof and prevent pigeons from going under the PV system and possibly leaving their droppings there. The acidic droppings attack the cables, so it is important to protect the PV system.
The photovoltaic tips for defense are glued to the edge of the module and must be permanently elastic due to thermal changes. If they were screwed tight, the material would expand differently and, in the worst case, tear off. When gluing, the tips can be adapted to the modules by pressing. If this is done professionally, there are no openings through which pigeons could get under the system.
ZIWI offers various systems. Another model, which prevents pigeons from settling, is suitable for roof ridges and window sills. The company receives a lot of feedback about problems with pigeons. This leads to considerations as to which system is best suited to preventing the specific problem. ZIWI has been aware of the pigeon problem since before the days of photovoltaic systems. With the new pigeon repellent for solar installations, they simply want to lead the way and provide a remedy. The costs vary depending on the size of the system. It always depends on the quantity ordered, 1 meter costs 7.80 euros.