Our professionals

Professionnel ou particulier ? Nos équipes sont présentes pour vous apporter des conseils et solutions à tous vos projets ! N’hésitez pas à rendre visite à nos commerciaux en agence pour découvrir notre large gamme de produits. 


Based in Loire-Atlantique and with more than 30 years of experience in the distribution of slates and roofing materials, ADN is aimed at a clientele of professionals and individuals. 

Created in 1989 by Alain DUBOIS and subsidiary of the TANGUY Group since 2002, ADN offers a service of choice and a wide range of products: natural slate, roof window, zinc work, waterproofing, wood, cladding… ADN is also a team of professionals at your service and eager to adapt to your needs.