Non-carbonated slate formed by tectonic compression. Dark grey slate with a riven surface.
Split to an average thickness of 5 mm, 6.5 mm, 7.5 mm and 9 mm
Pusmazán (Orense) Spain
Operations start date
Operating since 1971
Between 20x15cm and 60x45cm
Thickness: 5 mm, 6.5 mm, 7.5 mm and 9 mm
R, H, NATURAL
Rectangular is the most common model. If you are interested in other formats or sizes please contact us.
CUPA 5 roofing slates meet the following international standards
Technical documentation (declaration of performance, certifications, …) available in the resource center
0,17% Code : W1 (< 0,4%)
Contents of carbonate non carbonated
0,30% Fulfill (< 1,5%)
Longitudinal 43,5 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 5 slate. Go to our projects section to see more works.