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Broken slate on target

Ready-made quarry slate – exclusive slate roofing in natural stone


Ready-made quarry slate from Altaskifer is a custom-made natural stone covering where each individual slate slab is customized and numbered before delivery. The result is an exclusive and seamless expression – perfect for courtyards, patios, entrances and special projects where design and precision are at the center.

This is quarry slate as originally used in classic stone setting – but produced with modern precision and control .


Unique solution – customized to your project

With pre-adjusted quarry slate, the entire surface is laid out and adjusted in advance in our workshop. Each stone is shaped, adjusted and numbered , so that assembly on site is efficient and precise.


✔ Tailored to circle, arc or free shape
✔ Numbered stones for easy assembly
✔ Smooth joints and harmonious whole


This gives a result that can otherwise only be achieved with very time-consuming manual adjustment on site.


Natural quarry slate – true craftsmanship

Broken slate has a raw and natural surface , created by nature's own fracture lines. In combination with customization, this creates a vibrant and exclusive stone covering that is never the same from project to project.


Ready-made customized fractured slate provides:

  • Authentic natural stone expression

  • Timeless design that ages beautifully

  • High friction and good slip resistance

Areas of application

Ready-made fractured slate is particularly suitable for:

  • Courtyards and yards

  • Patios and terraces

  • Entrances and stairs

  • Circles, patterns and special surfaces

  • Public spaces with high aesthetic demands

The product is often used where architects and builders want a unique look and high quality .


Precise assembly – reduced construction time

Since the slate is delivered pre-adjusted, the need for cutting and adjustment on site is reduced. This provides:

  • Shorter assembly time

  • More predictable results

  • Less waste of natural stone

An effective solution without compromising on expression or quality.


Sustainable natural stone from Norway

Alta slate is a short-lived, Norwegian natural stone with a very long lifespan. Ready-made quarry slate is produced with a high degree of utilization of the raw material, and can be dismantled and reused if necessary.


✔ Low climate footprint
✔ Extreme durability
✔ Minimal maintenance cost


Technical information

  • Surface: Natural fracture surface

  • Format: Custom-made/drop shapes

  • Delivery: Fully customized and numbered

  • Thickness: approx. 2 cm (thinner/thicker on request)

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