Extraction & Production
As one of the most relevant slate producers worldwide, with a wide and recognized experience in the sector, we carefully choose our deposits, ensuring exceptional qualities, being experts in slate extraction and production.
Extraction
Using the most technologically advanced equipment, the extraction works are carried out in all our quarries.
These are open-pit quarries and subway mines, such as Fraguiña, one of the largest in the world, as well as Fontelas.
Slate quarrying began in 1968 in open pit. With the continuous technological improvements in the production processes, in 1990 subway extraction began, thus allowing an optimal use of the deposit.
A fully automated extraction facilitates the work of the worker while ensuring an optimal treatment of the stone.
Sawing & Splitting
Once the slate blocks arrive at the processing plant, they are subjected to a rigorous quality control, observing the characteristics of each one of them and selecting the most optimal stone for each market.
Sawing
The modern sawing plants are mechanically controlled. They saw handy small blocks from the large blocks. Depending on which capstone format is produced, the block is given a different size and shape in order to keep the degree of output as high as possible.
Trimming
The finishing of our slate pieces is automatic, adapting it to the desired type of roofing. This automated finishing guarantees the homogeneity of the pieces, so we can speak of uniform “templates”.
Sorting & Packing
Quality & Logistics
Quality
The control is continuous throughout the production process, yet we perform random and daily checks by our quality control department technicians, which ensures that only the best slates reach our most demanding customers.
