Non-carbonated slate formed by tectonic compression. Dark grey slate with thin laminations and a riven surface.
Split to an average thickness of 5mm, 6.5mm, 7.5mm and 9 mm (3/16” to 3/8”).
Quarry Las Fuentes.
Benuza (León) Spain
Operations start date
Operating since 1985
Sizes: Between 8”x6” and 24”x12”
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 14 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 40,8 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 14 slate. Go to our projects section to see more works.