Those who are going to interest us are the martens, they find in our loft and the doubling of our homes heat and matter to make a "nest nestled".
Problem, besides the nocturnal noises they destroy the insulation, the ducts of ventilations, the electric cables and leave excrement and the urine of or the odors desageable.
Solution:
Martens are nocturnal or noise disturbances, destruction of insulation, dubbing, ventilation duct and electric cable.
Excrement and urine from or smell of "fawn"