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

CUPA 50

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Colour

Grey
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Surface

Smooth

Non-carbonated slate formed by tectonic compression. Deep grey slate with thin laminations and very uniform smooth surface.

Split to an average thickness of 3/16” to 3/8”.

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

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Origin

San Vicente Quarry, Villamartín de Valdeorras (Ourense) Spain.

Operations start date

Operating since 1999

Dimensions

Sizes: 8”x6” to 24”x12”
Thickness: 3/16” to 3/8”

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
Square
Half Moon
Waben
Shuppen
Fischschuppen
90º Sawn
Spitzwinkel
Spitzort

International Certifications

CUPA 50 roofing slates meet the following international standards:

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EN 12326
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NF 228-41/01
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UKCA MARKING
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C-121-20 (S1), C-120-19 (S1), C-217-20 (S1)

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.