Sisu Black Slate

Sisu Black Slate
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Standard sizes

Medium (M) 5 - 11 pcs/m²
Large (L) 4 - 9 pcs/m²
Extra Large (XL) 2 - 5 pcs/m²
Extra Extra Large (XXL) 1 - 3 pcs/m²
Slate

Sisu Black Slate

CO₂eq
1,5 kg/m2*

Sisu Black slate is a timeless Finnish natural stone that combines durability with a refined appearance. Its natural surface reflects light beautifully, adding depth and subtle variation. The surface is slip-resistant, making it suitable for both interior and exterior use.

Sisu slate is widely used for façades, patios and garden areas, as well as for interior flooring and wall surfaces. It performs well under wear and varying weather conditions, making it a long-lasting and maintenance-free choice. Its naturally textured surface provides good grip, while its unique structure gives the stone a distinctive natural character.

100% natural Finnish stone
Density: approx. 2740 kg/m³

Thicknesses

1–3 cm wall cladding grade, for wall cladding (M, L)

1–3 cm flooring grade, for interior floors and terraces (L)

3–5 cm paving grade, for outdoor areas (L, XL)

4–9 cm paving grade, for vehicular traffic, made to order (M, L, XL, XXL)

Applications

Suitable for both interior and exterior use

  • stone terraces and patios

  • squares and pathways

  • stone flooring

  • stone stairs

  • façades

  • retaining walls

CO2-ekv

*- EN 15804:2012+A1:2013 (A1–A3) 20 mm thick slab

Frost-resistant

Resistant to acids and chemicals

Slip resistance > R12

High color variation

Flexural strength > 30 MPa

Non-toxic and 100% chemical-free natural stone, no M1 classification required.

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