By A Mystery Man Writer
Welsh Heather Blue slate is used by architects, designers, developers and self-builders around the world. The amazing purple or heather slate colour is very rare.
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A modern slate fence of heather blue slabs from Penrhyn Quarry, Bethesda, in a woodland garden near Caernarfon, Wales, UK Stock Photo - Alamy
Heather Blue Z Stone Wall Cladding
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