Colour:
Black
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.
Note: As this is a natural product it is possible that there will be a shade variation.
CUPA R4 Excellence has the approved status from the Snowdonia National Park.
Origin
Quarry Armadilla.
Benuza (León) 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 EXCELLENCE, H, NATURAL
Formats
Rectangular is the most common model in the UK.
Rectangular
Bullnose
Rhomboid
Ogival
Innova
Technical specifications
Technical documentation (declaration of performance, certifications, …)
Water absorption
0,22% Code : W1 (< 0,4%)
Contents of carbonate non carbonated
0,40% Fulfill (< 1,5%)
Mor characteristic
Longitudinal 53 MPA
SO2 exposure test
S1
Thermal cycle test
T1
Freeze thaw test
Fulfill < 0,6%