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

CUPA 14

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Colour

Grey
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Surface

Riven

Non-carbonated slate formed by tectonic compression. Dark grey slate with thin laminations and a riven surface.

Split to an average thickness of 5mm, 6.5mm, 7.5mm and 9 mm.

Note: As this is a natural product it is possible that there will be a shade variation.

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Origin

Quarry Las Fuentes.
Benuza (León) Spain

Operations start date

Operating since 1985

Dimensions

Sizes: Between 20x15cm and 60x45cm
Thickness: 5 mm, 6.5 mm, 7.5 mm and 9 mm

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.

Rectangular
Bullnose
Rhomboid
Half Moon
Schuppen
Spitzort
Fischschuppen
90º Sawn

International Certifications

CUPA 14 roofing slates meet the following international standards

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EN 12326
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BS EN 12326:2014
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ASTM C-121 (S1), ASTM C-217 (S1), ASTM C-120 (S1)

Technical specifications

Technical documentation (declaration of performance, certifications, …) available in the resource center.

Water absorption
0,21% Code : W1 (< 0,4%)

Contents of carbonate non carbonated
0,55  Fulfill (< 1,5%)

Mor characteristic
Longitudinal 40,8 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.