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,5 mm and 7.65 mm.
Quarry Solana de Forcadas.
San Pedro de Trones (León) Spain
Operations start date
Operating since 1892
Sizes: Between 25x15cm and 50x45cm
Thickness: 3.5mm, 5mm, 7.65 mm.
R, H, NATURAL, HEAVY
Rectangular is the most common model. If you are interested in other formats or sizes please contact us
CUPA 3 roofing slates meet the following international standards
Technical documentation (declaration of performance, certifications, …) available in the resource center
0,18% Code : W1 (< 0,4%)
Contents of carbonate non carbonated
0,40% Fulfill (< 1,5%)
Longitudinal 51,1 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 3 slate. Go to our projects section to see more works.