Non-carbonated slate formed by tectonic compression.
Grey slate with smooth surface. Split to an average thickness of 4 mm, 5 mm, 6 mm, 7,5 mm and 9 mm.
Note: As this is a natural product it is possible that there will be a shade variation.
Riofrío de Aliste (Zamora) Spain
Operations start date
Operating since 2001
Sizes: Between 20x20cm and 60x30cm
Thickness: 4 mm, 5 mm, 6 mm, 7,5 mm and 9 mm
R EXCELLENCE, H, NATURAL, HEAVY
Rectangular is the most common model in the UK.
If you are interested in other formats or sizes please contact us.
CUPA 9 roofing slates meet the following international standards
Technical documentation (declaration of performance, certifications, …) available in the resource center.
0,35% Code : W1 (< 0,4%)
Contents of carbonate non carbonated
0,43% Fulfill (< 1,5%)
Longitudinal 64,2 MPA
SO2 exposure test
Thermal cycle test
Freeze thaw test
Fulfill < 0,6%
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