What Asak Miljostein does

Asak Miljøstein is Norway's leading supplier of concrete outdoor environment products, founded in 1914/1916 and operating five ISO 14001-certified production facilities across Bodø, Stjørdal, Kristiansand, Hønefoss, and Fetsund. The company manufactures paving stones, slabs (heller), walls, and blocks entirely in Norway from Norwegian raw materials, with the Fetsund facility uniquely producing two-layer concrete slabs domestically. Its product portfolio spans the Arena, Munkestein, Herregårdstein, and draining variants (Arena Dren, Permac Lock Dren), the Koi-colored Hellekolleksjon slab range (Kritt, Vulkan, Nougat, Lava) with Asak Coating (AC) surface treatment, and the flagship Asak FLYT hexagonal permeable paver system co-developed with Snøhetta for stormwater management. Supporting offerings include the ClearNOx air-purifying photocatalytic pathway pavers, Vertica retaining walls, PavePad leveling systems, and maintenance accessories.

Asak generates revenue through one-time hardware sales to a nationwide Norwegian dealer and contractor network, supplemented by international licensing royalties from the METTEN Stein+Design GmbH partnership for Asak FLYT in Europe. Pricing is not publicly disclosed; transactions are dealer-mediated. The go-to-market is a channel-partner model supported by a dedicated B2B portal (Asak Online), a separate professional website (proff.asak.no) with BIM library and EPD documentation, trade-show presence at Hagemessen, and a five-district field sales team. Customer segments split between public sector (municipalities, county administrations, schools) and private/professional buyers (homeowners, contractors, landscape architects), with sustainability credentials — including Made in Norway origin mark, ISO 14001, SINTEF-validated CO2 uptake, and standard recycled aggregate since 2025 — increasingly serving as procurement differentiators.

Name

Asak Miljostein

Legal name

Asak Miljøstein AS

Website

https://asak.no

Company type

Private

Founded year

1916

Operating status

Operating

Headcount range

11–50 employees

Short description

Asak Miljøstein is Norway's leading manufacturer of concrete outdoor environment products — paving stones, slabs, and walls — produced across five domestic ISO 14001 factories and sold through dealers, contractors, and municipal clients, with the Asak FLYT permeable paver system licensed internationally via METTEN Stein+Design.

Ownership category

akta.pro rank

Product category

Concrete outdoor building materials (paving stones, slabs, walls)

NAICS

Other Concrete Product Manufacturing (327390)

SIC

Concrete Products, Except Block & Brick (3272)

akta.pro primary industry

Concrete, Cement & Aggregates Retail (Bagged Mix, Sand, Gravel) (CRAIAEAG)

Keywords

• Concrete paving stones
• Outdoor concrete slabs
• Permeable paver systems
• Retaining wall blocks
• Stormwater management surfaces

Headquarters

HQ city

Hvam

HQ country

Norway

HQ region

Europe

Offices6 records

Markets served

GTM type

B2B and B2C

Offering type

Hardware or Manufacturing

Cost components

Supply Chain, Operations, Personnel, Marketing or Sales, Technology or R&D, Infrastructure

Revenue model

1. Concrete outdoor products (paving stones, slabs, walls, blocks): One-time product sales of concrete outdoor environment products to dealers, contractors, and public/private project clients. Products are sold via a network of Norwegian dealers and distributors, with bulk orders fulfilled directly from one of five production facilities. Supplementary accessories (fugesand, PavePad, coatings, drainage mats, fiber fabric) sold as add-on products.
2. Asak FLYT International Licensing: Asak FLYT® is licensed for international production through German partner METTEN Stein+Design GmbH, generating licensing/royalty revenue for the European market. This represents a new international revenue stream for the 100+ year old Norwegian manufacturer.

Pricing tiers

Go-to-market motion2 records

Distribution channels3 records

Marketing channels6 records

Core offering

Asak Miljøstein manufactures and supplies concrete outdoor environment products — paving stones, two-layer concrete slabs, walls, and blocks — produced at five ISO 14001-certified factories in Norway from Norwegian raw materials. The portfolio includes the Asak FLYT permeable hexagonal paver system co-developed with Snøhetta, the Hellekolleksjon line of two-layer slabs with Asak Coating, Vertica retaining walls, and surface/accessory products such as PavePad, Fugesand, and ClearNOx air-purifying treatment. Products are sold through a national dealer and contractor network in Norway, with international reach for Asak FLYT via a licensing partnership with METTEN Stein+Design GmbH.

Product overview

Asak Miljøstein is Norway's leading supplier of concrete outdoor environment products, operating five ISO 14001-certified factories nationwide. The product portfolio centers on three main categories: paving stones (Belegningsstein) including Arena, Arena Dren, Munkestein, Herregårdstein and permeable variants; concrete pavers/slabs (Heller) in four colors from the Asak+Koi collection (Kritt, Vulkan, Nougat, Lava); and walls and blocks (Mur og Blokk) featuring Vertica retaining walls and Herregård walls. The flagship innovation is Asak FLYT, a Snøhetta-designed hexagonal permeable paver system launched in 2022 for stormwater management. Products are supported by accessories including PavePad leveling systems, Asak Garden/ClearNOx coating treatments, jointing materials, and maintenance products. All products are manufactured in Norway from Norwegian raw materials, with recent sustainability advances including standard recycled aggregate in pavers (2025) and EPD documentation for key products.

Differentiator

Problem solved

Functional benefit

Brands

• Asak FLYT: Permeable hexagonal concrete paver system designed with Snøhetta for stormwater management, featuring up to 28% permeability per square meter. Available in four colors: Rød Terrakotta, Blek Terrakotta, Sand, and Trøffel.
• Asak Hellekolleksjon
• Arena
• Vertica
• Asak + Koi Fargekolleksjon
• ClearNOx

Products and services

• Asak FLYT® Permeable Hexagonal Paver System Hexagonal interlocking permeable concrete paver system for stormwater management. Three sizes (FLYT 10, 17, 28) with varying void ratios delivering up to 28% permeability per m². S-shaped interlocking mechanism prevents rotation and increases surface stability. Available in four Koi colors (Rød Terrakotta, Blek Terrakotta, Sand, Trøffel). For municipalities, developers, and landscape architects specifying urban drainage solutions.
• Arena Paving Stones Paving stones available in multiple formats and colors including the Koi color collection (Rød Terrakotta, Blek Terrakotta, Sand, Trøffel). Suitable for driveways, walkways, and public spaces with various laying patterns including herringbone. For private homeowners, contractors, and public sector projects.
• Arena Dren — Draining Paving Stone Draining paving stone with 8.1% void ratio in 20x10x6 cm format. Designed for permeable surface solutions and effective stormwater handling in urban environments. Used in school projects including Hovseter skole.
• Herregårdstein Paving Stone Traditional-style paving stone with rustic character. Available in multiple color mixes including Rødmix for authentic Norwegian garden aesthetics. Used in residential and heritage-style projects.
• Munkestein Paving Stone Paving stone available in Koi colors. Used in educational facility projects (e.g., Voldsløkka skole) for creating colorful, functional outdoor spaces.
• Asak Drenstein — Draining Paving Stone Draining paving stone for permeable surface solutions in public and private outdoor areas.
• Permac Lock Dren — Interlocking Draining Paver Interlocking draining paving stone with integrated locking mechanism for stable permeable surfaces.
• Hellekolleksjon — Two-Layer Concrete Slabs (Heller) Two-layer concrete slab product line (Helle Kritt AC, Helle Vulkan AC, Helle Nougat AC, Helle Lava AC) with Asak Coating (AC) factory-applied surface treatment. Combines a coarse-grained base layer for strength with a finer top layer for exclusive surface finish. Manufactured at the Fetsund facility — the only Norwegian producer of two-layer slabs. Available in 60x60, 60x40, 40x40, and 40x20 cm formats in 4 cm thickness.
• Vertica® Retaining Wall System Retaining wall system with large rectangular blocks (45x28x20 cm normal block) featuring natural broken-face appearance. Vertica Natur variant incorporates warm earth tones from the Koi color palette. For terracing, slope stabilization, and garden wall applications in private and public projects.
• Herregård Mur — Garden Wall Blocks Garden wall blocks with rustic appearance. Available in Brunmix color option with warm, natural blend of deep browns. Part of the Mur og Blokk product line.
• Forskalingsblokk — Formwork Blocks Formwork concrete blocks for construction applications, part of the Mur og Blokk product line.
• Gangbaneheller — Pathway Pavers Pathway pavers designed for pedestrian traffic, available in gray, sand, and custom colors (e.g., 'Hamar' for municipal projects). Used for universal design applications.
• Asak ClearNOx — Air-Purifying Concrete Slabs Air-purifying gangbaneheller incorporating photocatalytic technology that actively reduces NOx (nitrogen oxide) emissions from the air. Demonstrated at schools including Tvedestrand videregående skole and Hoppern skole.
• PavePad Pedestal Leveling System Modular support pedestal and shim system for precise leveling of slabs on flat roofs, balconies, or ground-level terraces, allowing easy inspection of membrane and drainage systems. Heights from 1.5 mm to 90 mm.
• Asak Garden — Photocatalytic Impregnation Treatment Photocatalytic impregnation for untreated paving stones, walls, and pavers. Uses UV light to actively break down organic material and keep surfaces clean. Coverage: 8–10 m² per liter.
• Asak Coating (AC) — Surface Treatment Surface treatment that seals pores and reinforces color with wet-look effect. For use on previously coated products and new untreated surfaces. Factory-applied to all Hellekolleksjon products.
• Fugesand — Jointing Sand Jointing sand for paving stabilization. Available in standard 0–2 mm, Herregård 0–1 mm, vegetation-inhibiting 0–1 mm, FLEX curing 0–1 mm, and permeable drainage aggregate 2–5 mm varieties.
• Drensmatte — Drainage Mat Drainage mat for laying pavers and paving stones on rigid substrates. Available in one-sided and two-sided fiber fabric variants. 25-year lifespan, chemical resistant. 2x25 m rolls.

Quantifiable outcome

• Up to 28% permeability per m² with Asak FLYT system
• +4 more outcomes

Named customers12 records

Segments4 records

Ideal customer profiles4 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature7 records

Partnerships

Five partnerships are on record, tiered core, flagship and minor.

• METTEN Stein+Design GmbHcoreOEM/ Whitelabel/ Licensing Partner · 1 January 2024Exclusive licensing partnership for Asak FLYT production and distribution in the European market. METTEN, known for high quality and strong market presence, produces Asak FLYT centrally for the European market. This enables Asak to reach international customers without building its own international distribution.
• SnøhettaflagshipStrategic or Co-development Partner · 1 January 2022Co-development partnership with internationally renowned architecture firm Snøhetta for the Asak FLYT hexagonal permeable paver system. Snøhetta contributed strategic design thinking and landscape architecture expertise, challenging and elevating Asak's approach. The partnership resulted in a product that won DOGA-merket (2024), Fast Company Innovation by Design award (2023), and Dezeen Awards shortlist (2023), and is now licensed internationally.
• Koi Fargestudio (Dagny Thurmann-Moe)coreGTM or Marketing Partner · 1 January 2021Color partnership with Koi Fargestudio (led by Dagny Thurmann-Moe) resulted in the Asak+Koi color collection with four colors for paving stones (Rød Terrakotta, Blek Terrakotta, Sand, Trøffel) and one for slabs (Nougat). The collection brings nature-inspired tones designed to blend into Norwegian surroundings across seasons, weather, and building facade colors.
• Heidelberg Materials (Brevik)minorOthersCement supplier from Heidelberg Materials facility in Brevik, Norway. The Brevik plant is described as potentially having the world's most environmentally friendly cement, with future plans for CO2 capture and storage making cement emissions-free. Asak's cement supply is tied to this sustainability trajectory.
• Norsk Belegningsstein / BetongfokusminorStrategic or Co-development PartnerAsak is a member of Norsk Belegningsstein, a member organization for paving stone manufacturers and installers organized as a working group in Betongfokus. The organization developed Norway's first guideline for permeable paving surfaces of paving stones (2010/2011) based on international standards adapted to Norwegian conditions.

Scale indicators7 records

Recent moves9 records

Expansion highlights5 records

Regional players

• IBF Betong: Danish concrete product manufacturer producing paving stones, slabs, and retaining walls for the Danish market. Comparable product categories and serves as the Danish counterpart; Asak's Frederiksberg project demonstrates cross-border competitive pressure from this direction.
• Kann Baustoffwerke: German concrete paving and landscaping products manufacturer producing Belegungsstein, slabs, and wall systems for German and adjacent Benelux markets. Directly comparable product architecture, with overlapping dealer-channel go-to-market. Geographic complement to Asak's Northern European presence.

Direct peers

• Aaltvedt Betong: Major Norwegian manufacturer of concrete outdoor products (paving stones, blocks, retaining walls) for both residential and public markets. Directly comparable product portfolio and Norwegian dealer distribution with head-to-head competition on Belegningsstein, Heller, and Mur og Blokk lines.
• EHL AG: German manufacturer of concrete pavers, slabs, and landscaping products with strong emphasis on design-led collections and a dealer/distributor model across DACH. Comparable premium-positioning strategy and direct overlap with Asak's Arena/Hellekolleksjon-style product architecture.
• Benders: Swedish manufacturer of concrete products including paving stones, slabs, retaining walls, and roofing. Highly relevant Northern European peer with full-line concrete outdoor product portfolio and parallel investments in sustainability (EPDs, recycled aggregate). Comparable scope and cross-Nordic ambitions to Asak's Norway-led footprint.
• Multiblokk: Norwegian concrete products manufacturer focusing on paving stones, slabs, blocks, and retaining walls. Closest domestic peer in product mix and customer segments, competing with Asak across both private homeowner and public sector projects.
• Metten Stein+Design GmbH: German concrete paver and slab manufacturer and Asak FLYT's exclusive European licensee. Comparable high-design paver portfolio and reference project base; serves both as direct peer in permeable/architectural pavers and as Asak's channel into the German and broader European market.

Others

• Heidelberg Materials: Global cement and aggregates supplier; Asak's cement supplier from the Brevik, Norway plant. Not a direct competitor but a structurally important supplier whose Brevik CCS roadmap underpins Asak's low-carbon concrete positioning.

Broad incumbents

• Wienerberger AG: Austrian-headquartered global building materials group with a sizable brick, paver, and roof solutions portfolio across Europe. Relevant broad incumbent that competes with Asak on larger public tenders and infrastructure projects across Scandinavian and broader European markets.
• CRH plc: Global building materials group with concrete products and paving operations across Europe (including the Nordics). Functions as a broad incumbent competing with Asak on larger-scale, multi-country procurement bids where pan-European supply capability matters.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat4 records

Key risks6 records

Key highlights7 records

Customer concentration

• Xx.com/asak_miljostein
• Facebookfacebook.com/asakmiljostein

Compliance1 record

Revenue estimate

Valuation estimate

Number of profiles

Profiles11 records

Subsidiaries3 records

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Asak Miljostein