Its imposing slate roofs with numerous ornamental elements and sculptural groups make this castle, in the Loire Valley, the most visited monument in France after Versailles. Its oldest element is the free-standing tower, which dates from the early fourteenth century. The rest of the castle, including the bridge over the Cher river, was completed in the mid-sixteenth century. The building was declared a Historical Monument in France in 1962 and belongs to the Loire Valley, which was declared a World Heritage Site by UNESCO in the year 2000. The restoration work carried out by Kalam’s professionals on these roofs was complete and covered all necessary trades to restore the majesty of this building. From the replacement and installation of new slate tiles, to the repair of the copper campanile or the lead works to recover the sculpture of the Virgin or the fleur-de-lis.