Mould search dogs have been taught to by the smell separation process many different fungal genera perfume samples.
Different moulds grow in different substrates and smell different. However, in practical work mould dog runs into damaged areas, in which often different mould genera species grows on top of each other.
The mould dog must be able to distinguish between a clean undamaged building material from a mouldy material. It must also be sufficiently focused on to find the points in the building where the smell comes from.
Mould search dog work hamper in some buildings ,a mechanical ventilation and an odour control diversion in the structure reason or another, into a different place of the actual location of the lesion.
Mould search dog working to facilitate the settlement of the status of the building; after the discovery of the smell points material samples for laboratory examination can be taken or to be agreed with the builders to do further studies.