Located in Saint Laurent Blangy, near Arras,  Murprotec Nord Pas de Calais has another office in Vitry (62) and will open a new office some time in November near Lille (59). Constituted of experts in humidity, the agency has its technical and logistical centre in Arras. Hundreds of achievements and references are available in every field (moulds, saltpetre, infiltrations, inundations, condensation, mérule) and according to all techniques of treatment.