Non-carbonated slate formed by tectonic compression. Dark grey slate with a riven surface. Split to an average thickness of 5 mm, 6.5 mm, 7.5 mm and 9 mm.
Water absorption 0.16% Code:
W1 (< 0,4%)
Contents of carbonate non-carbonated:
0.23% Fulfill (< 1,5%)
Mor characteristic Longitudinal:
SO2 exposure test:
Thermal cycle test:
Fulfil < 0.6%
5-6. 5-7. 5-9.
Why use natural slate?
Discover the reasons why natural slate is the best material for roofing and cladding.
A lifespan of more than 100 years with no colour alteration.
Our process is 100% natural with no chemical or artificial products, the slate is cut by hand by our skilled splitters.
Fire-resistant, waterproof and resistant to ice and extreme weather conditions.
Quarry Valdacal. Pusmazán (Orense) Spain. Operating since 1971.
Size range available from 20x15 to 60x45
Squared, Rectangular, Bullnose, Spitzort, Spitzwinkel, 90º Sawn, Irregular, Half Moon (see the slide show formats below)