CUPA 25
Colour
Surface
Non-carbonated slate formed by tectonic compression. Blue Black slate with thin laminations and a smooth surface.
Split to an average thickness of 3.75 mm, 5 mm, 7 mm and 9 mm.
Origin
Quarry Las Arcas Prada.
San Pedro de Trones (León) Spain.
Operations start date
Operating since 1983
Dimensions
Sizes: Between 25x15cm and 50x38cm
Thickness: 3,75 mm, 5 mm, 7 mm y 9 mm
Selections
R EXCELLENCE, H, NATURAL
Formats
Rectangular is the most common model in the International Market.
If you are interested in other formats or sizes, please contact us.
International Certifications
CUPA 25 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 (< 2%)
Mor characteristic
Longitudinal 55,8 MPA
SO2 exposure test
S1
Thermal cycle test
T1
Freeze thaw test
Fulfill < 0,4%
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