A Spanish slate quarried in the Zamora region, this dark blue/grey slate has a light riven surface and is available in various thicknesses and grades, all of which carry a 75 year quarry guarantee. Use of the standard grades, which contain inert metallic inclusions represent one of the most cost effective ways of natural slating. Renowned for its even thickness and ease of cutting, this slate is favoured by contractors.
Fully compliant under B.S. EN12326-1:2004 as W1,T1,S1 and carries a quarry guarantee of 75 years.