Slate • Płyty Granitowe , Blaty Granitowe, Płytki Granitowe Artstone

SlateSlate is a metamorphic or sedimentary rock that is formed of the clay silt particles consisting of very small diameter. A characteristic feature of the slate roof is high cleavage – separateness, through which the rock that can be split into thin slabs. It is this trait determined the fact that since the Middle Ages slate used for thatching houses, palaces and churches.

English