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.
Note: As this is a natural product it is possible that there will be a shade variation.
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 EXCELLENCE, H, NATURAL, HEAVY
Rectangular is the most common model in the UK. 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.
0,22% Code : W1 (< 0,4%)
Contents of carbonate non carbonated
0,50% Fulfill (< 1,5%)
Longitudinal 45,4 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 3 slate. Go to our projects section to see more works.