CUPA PIZARRAS has been producing the most complete range of natural slate for roofing and facade since 1892.
CUPA 12

Colour

Surface
Non-carbonated slate formed by tectonic compression. Grey slate with a smooth matt surface. Split to an average thickness of 3,5 mm, 5 mm and 6 mm.
Note: As this is a natural product it is possible that there will be a shade variation.
CUPA 12 has the approved status from the Snowdonia National Park.

Origin
Quarry La Campa.
Folgoso del Caurel (Lugo) Spain.

Operations start date
Operating since 1972

Dimensions
Sizes: Between 20x15cm and 60x45cm
Thickness: 3.5mm, 5mm, 6mm

Selections
R EXCELLENCE, H, NATURAL
Formats
Rectangular is the most common model in the UK. If you are interested in other formats or sizes please contact us.








International Certifications
CUPA 12 roofing slates meet the following international standards




Technical specifications
Technical documentation (declaration of performance, certifications, …) available in the resource center.
Water absorption
0,11% Code : W1 (< 0,4%)
Contents of carbonate non carbonated
0,20% Fulfill (< 1,5%)
Mor characteristic
Longitudinal 59 MPA
SO2 exposure test
S1
Thermal cycle test
T1
Freeze thaw test
Fulfill < 0,6%

Would you like to see a sample? Please complete the form to receive your slate sample.
Projects
Here you can see some examples of projects that uses our CUPA 12 slate. Go to our projects section to see more works.