CUPA PIZARRAS has been producing the most complete range of natural slate for roofing and facade since 1892.
CUPA 18
![icono-case3 icono-case3](https://cdn.cupapizarras.com/wp-content/uploads/2018/06/icono-case3.png)
Colour
![icono-case3 icono-case3](https://cdn.cupapizarras.com/wp-content/uploads/2018/06/icono-case3.png)
Surface
Non-carbonated slate formed by tectonic compression. Dark grey slate with thin laminations and a smooth surface.
Note: As this is a natural product it is possible that there will be a shade variation.
![](https://cdn.cupapizarras.com/wp-content/uploads/2018/11/td-origen.png)
Origin
Quarry La Campa.
Folgoso del Caurel (Lugo) Spain.
![](https://cdn.cupapizarras.com/wp-content/uploads/2018/11/td-inicio-explotacion.png)
Operations start date
![](https://cdn.cupapizarras.com/wp-content/uploads/2018/11/td-medidas.png)
Dimensions
Sizes: Between 20x20cm and 60x45cm
Thickness: 3.5 – 5 – 6 mm
![](https://cdn.cupapizarras.com/wp-content/uploads/2018/11/td-selecciones-clean.png)
Selections
R EXCELLENCE, H, NATURAL
Formats
International Certifications
CUPA 18 roofing slates meet the following international standards
![cupacladcert2 marcado ce](https://cdn.cupapizarras.com/wp-content/uploads/elementor/thumbs/cupacladcert2-1-o3dsx501n93adgnp0591zq5i7udl2zkly4rsqh700a.png)
![cupacladcert7 cupacladcert7](https://cdn.cupapizarras.com/wp-content/uploads/elementor/thumbs/cupacladcert7-o3dsuw5xbi0mmzx446b51ajv4pg0p0noz0o1goiuve.png)
![bsi-certificate bsi-certificate](https://cdn.cupapizarras.com/wp-content/uploads/elementor/thumbs/bsi-certificate-o3cuhigihy4wyra8jt6l61i75ac4t5cbujw74h77wq.png)
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
0,55% Fulfill (< 1,5%)
Mor characteristic
Longitudinal 59,8 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.
Projects
Here you can see some examples of projects that uses our CUPA 18 slate. Go to our projects section to see more works.