Alta Grey Slate

Alta Grey 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

Alta Grey Slate

CO₂eq
3,3 kg/m2*

Alta Grey slate is a Norwegian natural stone that combines timeless aesthetics with excellent durability. Its naturally even surface makes it easy to install, while the natural texture provides excellent slip resistance, making it an ideal choice for areas where safety is essential.

Alta slate is suitable for patios, pathways, stairs and interior applications, with grey tones that deepen beautifully when wet. The stone is highly wear-resistant, maintenance-free and a sustainable choice, with a service life often exceeding 100 years.

100% natural Norwegian stone
Density: approx. 2689 kg/m³

Thicknesses

1–2 cm mortar installation (M)

2–3 cm mortar installation (L)

3–4 cm installation on stone dust or semi-dry base (XL)

4–9 cm stone dust installation, made-to-order product (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

Low color variation

Flexural strength > 30 MPa

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

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