Non-carbonated slate formed by tectonic compression. Blue black slate with thin laminations and a smooth surface.
Split to an average thickness of 3.75 mm, 5 mm, 7 mm and 9 mm.
Note: As this is a natural product it is possible that there will be a shade variation.
Quarry Las Arcas.
San Pedro de Trones (León) Spain
Operations start date
Operating since 1983
Sizes: Between 25x15cm and 50x38cm
Thickness: 3.75 mm, 5 mm, 7 mm and 9 mm
R EXCELLENCE, H, NATURAL
Rectangular is the most common model in the UK. If you are interested in other formats or sizes please contact us.
CUPA 10 roofing slates meet the following international standards
Technical documentation (declaration of performance, certifications, …) available in the resource center.
0,37% Code : W1 (< 0,4%)
Contents of carbonate non carbonated
0,46% Fulfill (< 1,5%)
Longitudinal 54,4 MPA
SO2 exposure test
Thermal cycle test
Freeze thaw test
Fulfill < 0,6%
Would you like to see a sample? Please complete the form to receive your slate sample.
Here you can see some examples of projects that uses our CUPA 10 slate. Go to our projects section to see more works.