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

CUPA 17

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Colour

Black
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Surface

Smooth

Non-carbonated slate formed by tectonic compression. Blue black slate with non rusting metallic particles and thin laminations.

Split to an average thickness of 3,5 mm, 4.5 mm and 7.5mm.

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

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Origin

Quarry Rozadais.
Casayo, Carballeda de Valdeorras (Orense), Spain

Operations start date

Operating since 1960

Dimensions

Sizes: Between 25x15cm and 50x45cm
Thickness: 3.5mm, 4.5mm, 7.5 mm

Selections

R, H, NATURAL

Formats

Rectangular is the most common model in the UK Market.
If you are interested in other formats or sizes, please contact us.
Rectangular
Innova
Bullnose
Rhomboid
Ogival

International Certifications

CUPA 17 roofing slates meet the following international standards

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EN 12326
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08/01 NÂş24945
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ATG/H657
bsi-certificate
BS EN 12326:2014

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 53,1 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.