CUPA PIZARRAS has been producing the most complete range of natural slate for roofing and facade since 1892.
CUPA 7
Colour
Surface
Non-carbonated slate formed by tectonic compression.
Black slate. Split to an average thickness of 3.75 mm, 5 mm, 7.5 mm and 9 mm.
Note: As this is a natural product it is possible that there will be a shade variation.
Origin
Quarry Las Arcas Prada.
San Pedro de Trones (León) Spain
Operations start date
Operating since 1983
Dimensions
Sizes: Between 25x15cm and 50x38cm
Thickness: 3,75mm, 5mm, 7,5mm and 9mm
Selections
R, 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 7 roofing slates meet the following international standards
Technical specifications
Technical documentation (declaration of performance, certifications, …) available in the resource center.
Water absorption
0,17% Code: W1 (< 0,4%)
Contents of carbonate non carbonated
0,50% Fulfill (< 1,5%)
Mor characteristic
Longitudinal 55,8 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 7 slate. Go to our projects section to see more works.