Non-carbonated slate formed by tectonic compression. Black slate.
Split to an average thickness of 3.75 mm, 5 mm, 7 mm and 9 mm.
Quarry Las Arcas Prada.
San Pedro de Trones (León) Spain
Operations start date
Operating since 1968
Sizes: Between 16”x8 and 16”x10”
Thickness: 3/16” to 3/8”
Excellence, Ardoisier, Heavy
Rectangular is the most common model in the US.
If you are interested in other formats or sizes please contact us.
CUPA 7 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
0,50% Fulfill (< 2%)
Longitudinal 61,2 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 7 slate. Go to our projects section to see more works.