Natural slate


Natural slate is a fine-grained, sedimentary metamorphic rock that has been used as a building material since Roman times.

The geological formation process of natural slate took place during the Paleozoic era, spanning from the mid-Ordovician to the mid-Devonian period. Spanish slate, in particular, was formed in the middle of the Ordovician period (475-450 million years ago).

There is no other roofing material like slate. It is able to withstand extreme temperatures, it hinders the formation of snow, it is completely waterproof and it has an A1 fire rating.

If you are thinking of a long-term, maintenance-free roof, natural slate is the right choice, as other man-made products are more prone to discolouration, disintegration or lichen growth.


Spain is the world's largest producer of natural roofing slate,

accounting for more than 75% of the global production. Most of Spain's slate deposits are located in the Galicia and Leon region.

This part of Spain is home to the largest known reserves of slate in the world. There are a great number of quarries in this region, and since the characteristics of the slate depend on the area where it has been extracted, it is important to make the right choice.

Our success is based on the quality and rigorous selection of our products, which are certified in the most demanding countries due to their proven features under all climatic conditions.