Slate roofing square

Format: Several sizes – approx. 340 x 340 mm (13x13”), 390 x 390 mm (15x15”), 470 x 470 mm (18x18”), 550 x 550 mm (21x21”) and 630 x 630 mm (24x24”)
Thickness: 8–22 mm (packaged in thin, medium and thick))
Units per parcel: 20-25 m²
Weight per unit: approx. 60 kg/m²
Weight per package: 1,200–1,500 kg
Recommended price: from 1996 NOK incl. VAT per m² and excl. shipping
Applications and benefits
Square-shaped roofing slate is a classic and timeless choice for both modern and traditional buildings. This material has a unique ability to complement different architectural styles, making it a popular choice among both builders and homeowners. Slate’s natural beauty and varied textures offer opportunities for creative solutions, and it comes in several sizes that give different expressions – from the traditional small slate look with its delicate, hand-crafted surfaces to large slabs with a calm pattern that gives a more modern and minimalist look.
Properties of Alta slate
Altaskifer, a type of roofing slate, is known for its extreme durability, making it ideal for use in areas with varying climates and weather conditions. It is frost-resistant, meaning it can withstand the harsh Norwegian winters without being damaged. In addition, it requires minimal maintenance, which is a significant advantage for homeowners looking to reduce the time and costs associated with roof maintenance.
Long-lasting and sustainable benefits
One of the most prominent advantages of choosing roofing slate is its ability to provide an exclusive, durable roof with Norwegian quality that can withstand generations of weather and wind. Slate is a natural material that is not only aesthetically pleasing, but also sustainable, as it can be mined locally and has a long lifespan. This makes it an environmentally friendly choice for those concerned with reducing their carbon footprint.
Increased property value
In addition to its practical benefits, slate helps to increase the value of your property. A slate roof not only provides solid protection from the elements, but also adds a sense of elegance and style that can attract potential buyers. Whether it's a new build or a renovation of an older home, square-shaped slate roofing provides a timeless quality that never goes out of style.
Over 100 years of service life
Quartzite slate is one of the most durable building materials available. Properly used, slate can last for generations with minimal maintenance.
100% natural
Alta Quartzite is a pure natural material with no additives. Each stone is unique, shaped by nature over millions of years.
Sustainable
Long lifespan, low maintenance and minimal processing make slate a sustainable choice from a life cycle perspective.
Up to 100% recyclable
Slate can be reused or recycled after use, without losing the material's properties.













