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

CUPA 25

icono-case-color

Colour:

Black
icono-case-textura

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, 7 mm and 9 mm.

Origin

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

Operations start date

Operating since 1983

Dimensions

Sizes: Between 25x15cm and 50x38cm
Thickness: 3,75 mm, 5 mm, 7 mm y 9 mm

Selections

R EXCELLENCE, H, NATURAL

Formats

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

Rectangular
Rhomboid
Innova
Bullnose
Ogival

International Certifications

CUPA 25 roofing slates meet the following international standards

cupacladcert2
EN 12326
bsi-certificate
BS EN 12326:2014

Technical specifications

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

Water absorption
0,35% Code : W1 (< 0,4%)

Contents of carbonate non carbonated
0,50% Fulfill (< 2%)

Mor characteristic
Longitudinal 61,2 MPA

SO2 exposure test
S1

Thermal cycle test
T1

Freeze thaw test
Fulfill < 0,4%

Would you like to see a sample? Please complete the form to receive your slate sample.