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

CUPA 4

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Colour:

Black
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Surface:

Smooth

Non-carbonated slate formed by tectonic compression. Blue black slate with thin laminations and a smooth surface.

Split to an average thickness of 3.75 mm, 5 mm and 7.5 mm.

Origin

Riodolas mine,
Carballeda de Valdeorras Ourense (Spain).

Operations start date

Operating since 1968

Dimensions

Sizes: Between 25x15cm and 50x38cm
Thickness: 3.75 mm, 5 mm and 7.5 mm

Selections

R, H, NATURAL

Formats

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

Rectangular
Bullnose
Rhomboid
Ogival
Innova

International Certifications

CUPA 4 roofing slates meet the following international standards

cupacladcert2
EN 12326
cupacladcert6
NF 228-02/01/01 - 5274
cupacladcert7
ATG/H517
bsi-certificate
BS EN 12326:2014

Technical specifications

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

Water absorption
0,16% Code : W1 (< 0,4%)

Contents of carbonate non carbonated
0,70% Fulfill (< 2%)

Mor characteristic
Longitudinal 71 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.