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

CUPA 3

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Colour:

Black
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Surface:

Riven

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,5 mm and 7.65 mm.

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Origin

Quarry Solana de Forcadas.
San Pedro de Trones (León) Spain

Operations start date

Operating since 1892

Dimensions

Sizes: Between 25x15cm and 50x45cm
Thickness: 3.5mm, 5mm, 7.65 mm.

Selections

R, H, NATURAL, HEAVY

Formats

Rectangular is the most common model. If you are interested in other formats or sizes please contact us

Square
Rectangular
Bullnose

International Certifications

CUPA 3 roofing slates meet the following international standards

cupacladcert2
EN 12326
cupacladcert6
NF 228-02/01/01 - 5273
cupacladcert7
ATG/H571
bsi-certificate
BS EN 12326:2014

Technical specifications

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

Water absorption
0,22% Code : W1 (< 0,4%)

Contents of carbonate non carbonated
0,50% Fulfill (< 1,5%)

Mor characteristic
Longitudinal 45,4 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.