CUPA PIZARRAS has been producing the most complete range of natural slate for roofing and facade since 1892.
CUPA 50
Colour
Surface
Non-carbonated slate formed by tectonic compression. Deep grey slate with thin laminations and very uniform smooth surface.
Split to an average thickness of 3.7 mm,5 mm, 6.5 mm and 7.5 mm.
Note: As this is a natural product it is possible that there will be a shade variation.
Origin
San Vicente Quarry, VillamartĂn de Valdeorras (Ourense) Spain.
Operations start date
Operating since 1999
Dimensions
Sizes: Between 20x20cm and 60x45cm
Thickness: 3.7mm, 5mm, 6.5mm, 7.5 mm
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 50 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 (< 0,6%)
Contents of carbonate non carbonated:
0,40% Fulfill (< 2%)
Mor characteristic
Longitudinal 58.1 MPA
Transverse 60.5 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.