World's leading producer of natural slate, originating and headquartered in the Valdeorras region (Ourense) with its own quarries in Galicia and Castilla y León. The slate is extracted and worked without firing or chemical transformation, placing it among the roofing materials with the lowest carbon footprint across its entire life cycle. Its CUPA 12 and Heavy 3 slates and CUPACLAD ventilated façade systems have EPDs verified by BRE Global and published in the Green Book Live database, as well as an EPD in the Spanish DAPconstrucción programme and FDES records in France. Applications: roofing, ventilated façades and heritage renovation.