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.
San Vicente Quarry, Villamartín de Valdeorras (Ourense) Spain.
Operations start date
Operating since 1999
Sizes: Between 20x20cm and 60x45cm
Thickness: 3.7mm, 5mm, 6.5mm, 7.5 mm
R EXCELLENCE, H, NATURAL
Rectangular is the most common model in the UK. If you are interested in other formats or sizes please contact us.
CUPA 50 roofing slates meet the following international standards:
Technical documentation (declaration of performance, certifications, …) available in the resource center.
0,11% Code: W1 (< 0,6%)
Contents of carbonate non carbonated:
0,40% Fulfill (< 2%)
Longitudinal 58.1 MPA
Transverse 60.5 MPA
SO2 exposure test
Thermal cycle test
Freeze thaw test
Fulfill < 0,6%
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