As the name suggests the Zamora slate is quarried near the town of Zamora in the Galicia region of Northern Spain. It is surrounded by some of the most famous slate quarries that Spain has to offer. This quality slate is highly sought after, due to its versatility and durability, making it the ideal product for more difficult roofing designs that require large amounts of cutting and detailing.
The Zamora exhibits a blue/grey colour with a small amount of mineral inclusions giving it a unique character when in situ. It has a light textured surface with medium dressed edges.
The Zamora Standard is available in a 5mm and 7mm thickness.
Commercial Grade slates are of a high quality and good selection, they will require slightly more sorting and grading prior to fixing than other grades, but once done Commercial Grade slates offer a cost-effective solution that will still achieve a flat, uniform appearance on the roof.
The Zamora slate boasts a W-1, T-1, S-1 rating, meaning it conforms and surpasses all the top UK tests for water absorption, thermal cycle resistance and sulphur dioxide exposure.
If further technical information is required ISS hold the declaration of performance (DOP) for the Zamora which can be provided upon request. In addition the Zamora conforms to the NF European certification.