Non-carbonated slate formed by tectonic compression. Blue black slate with non rusting metallic particles and thin laminations.
Split to an average thickness of 3,5 mm, 4.5 mm and 7.5mm.
Note: As this is a natural product it is possible that there will be a shade variation.
Casayo, Carballeda de Valdeorras (Orense), Spain
Operations start date
Operating since 1960
Sizes: Between 25x15cm and 50x45cm
Thickness: 3.5mm, 4.5mm, 7.5 mm
R EXCELLENCE, H, NATURAL
If you are interested in other formats or sizes, please contact us.
CUPA 17 roofing slates meet the following international standards
Technical documentation (declaration of performance, certifications, …) available in the resource center.
0,21% Code : W1 (< 0,4%)
Contents of carbonate non carbonated
0,55% Fulfill (< 1,5%)
Longitudinal 51,3 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 17 slate. Go to our projects section to see more works.