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

CUPA 7

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Color:

Black
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Surface:

Smooth

Non-carbonated slate formed by tectonic compression. Black slate

Split to an average thickness of 3.75 mm, 5 mm, 7 mm and 9 mm.

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Origin

Quarry Las Arcas Prada.
San Pedro de Trones (León) Spain

Operations start date

Operating since 1983

Dimensions

Sizes: Between 16”x8 and 16”x10”
Thickness: 3/16” to 3/8”

Selections

Excellence, Ardoisier, Heavy

Formats

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

Rectangular
Innova
Bullnose
Ogival

International Certifications

CUPA 7 roofing slates meet the following international standards

cupacladcert2
EN 12326
cupacladcert6
NF 228-02/01/01 - 5277
cupacladcert7
ATG/H876
bsi-certificate
BS EN 12326:2014

Technical specifications

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

Water absorption
0,30% Code: W1 (< 0,4%)

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

Mor characteristic
Longitudinal 61,2 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.