PresentationNatural non-carbonate tectonic-compression slate. Light gray colour, regular flatness and smooth texture. Cleavage available in nominal thicknesses of 3.5 mm, 4 mm and 7.5 mm.
Visual characteristics and ranges- Colour: Light gray
- Texture: Smooth
- Flatness: Regular
- Available selections: Excellence, Ardoisier, Naturelle, Innovation
- Most common shape (France): Rectangular (other shapes available on request)
Sizes and thicknesses- Formats: from 25x15 cm up to 50x45 cm
- Nominal thicknesses: 3.5 mm, 4 mm, 7.5 mm
Origin and quarry- Quarry: Paraje de Rozadais (Ourense), Spain
- Operational since: in production since 1985
Certifications- EN 12326
- 02/13 N° 37949
- BS EN 12326:2014
Technical information (summary)Water absorption 0.16% (Code: W1 < 0.6%). Non-carbonate content 0.60% (Compliant < 1.5%). Mean characteristic breaking load (longitudinal): 49 MPa. SO2 exposure: S1. Thermal cycle: T1. Frost resistance: Compliant (< 0.6%).
Technical characteristics / specifications- Type: Natural non-carbonate tectonic-compression slate
- Colour: Light gray
- Texture: Smooth
- Flatness: Regular
- Available formats: from 25x15 cm to 50x45 cm
- Nominal thicknesses: 3.5 mm, 4 mm, 7.5 mm
- Water absorption: 0.16% (Code W1 < 0.6%)
- Carbonate content: 0.60% (Compliant < 1.5%)
- Mean characteristic breaking load (longitudinal): 49 MPa
- SO2 exposure: S1
- Thermal cycle: T1
- Frost resistance: Compliant (< 0.6%)
- Origin: Paraje de Rozadais quarry (Ourense), Spain
- Operational since: 1985
- Commercial selections: Excellence, Ardoisier, Naturelle, Innovation
- Standards / certifications: EN 12326, 02/13 N° 37949, BS EN 12326:2014