Jacob is a large roof tile with fitment of flat aspect produced on the site of Commenailles, in the Jura. Easy to implement thanks to its variable gauge, it is characterized by fluidity from its lines adapted to contemporary architectures. It can be also integrated harmoniously into the traditional landscapes of roof tiles punts of our villages. Posed exclusively with crossed joints, the roof tile Castel Jacob is very appreciated in the East of France, in Alsace-Lorraine and as far as the Rhone-Alps.