CUPA 5 natural slate is made from non-carbonated, dark grey stone with a riven surface, split to various thicknesses for roofing and facade applications. Sourced from the Valdacal quarry in Spain, this slate is available in multiple sizes and shapes, meeting key international standards for durability and performance.

  • Natural slate for roofing and facades, suitable for a range of architectural styles

  • Dark grey colour with a riven, textured finish

  • Split to average thicknesses of 5, 6.5, 7.5 and 9mm

  • Available in rectangular, square, half moon, rhomboid, and other shapes

  • Low water absorption and high resistance to weathering

  • Meets EN 12326 and BS EN 12326:2014 standards

  • Produced in Spain since 1971

Applications

  • Roofing for residential and commercial buildings

  • Facade cladding

  • Heritage and restoration projects

  • Public and institutional buildings

  • Architectural projects requiring natural stone finishes

Dimensions

Length: 20-60cm

Width: 15-45cm

Thickness: 5, 6.5, 7.5, 9mm

Performance

Water absorption: 0.20% (W1, less than 0.4%)

Carbonate content: 0.30% (less than 1.5%)

Longitudinal MOR: 40 MPa

SO2 exposure: S1

Thermal cycle: T1

Freeze-thaw resistance: less than 0.6%

Materials

Natural non-carbonated slate

Colours

Dark grey (shade variation possible)

Finish

Riven surface

Options and variations

Rectangular, square, half moon, rhomboid, schuppen, spitzort, fischschuppen, spitzwinkel 90º, sawn, bullnose

Origin

Valdacal quarry, Pusmazán (Orense), Spain

Accreditations

EN 12326

BS EN 12326:2014

ATG/H848