What ROCKWOOL does

ROCKWOOL is the world's leading manufacturer of stone wool insulation, producing batt, rigid board, semi-rigid board and specialty insulation products from volcanic rock fibers capable of withstanding temperatures exceeding 2000°F (1093°C). Its portfolio addresses thermal performance, fire resilience, acoustic comfort, moisture repellence and durability across residential construction, commercial construction, industrial/technical insulation, and OEM end-markets; flagship products include AFB (and AFB evo no-added-formaldehyde), Cavityrock, Comfortboard 80/110, Comfortbatt, Safe'n'Sound, Toprock DD, and the Rockzero Wall System. The ROCKWOOL Group is organized around four sister brands in addition to the core insulation business: Rockfon (acoustic ceilings and walls), Rockpanel (façade cladding and boards), Grodan (horticultural growing media), and Lapinus (engineered fibre products for noise and vibration control).

The company operates 45 manufacturing facilities globally with a proprietary electric melting technology being deployed at newer sites such as the planned Wallula, Washington facility; North American production spans Milton (Ontario), Grand Forks (British Columbia), Byhalia (Mississippi), Ranson (West Virginia) and the under-development Wallula (Washington) site. Global headquarters are in Hedehusene, Denmark; North American headquarters are in Milton, Ontario. The company is publicly listed on NASDAQ Copenhagen as ROCKWOOL A/S, was founded as a family business more than 80 years ago, and sells in more than 60 countries via a combination of direct enterprise field sales, technical/building science support, and a dealer and distributor network.

ROCKWOOL's business model is product-based and project-driven: it manufactures and sells physical insulation products through specification channels targeting architects, designers, specifiers, builders and contractors, supported by technical documentation, EPDs, LEED tooling, and continuing-education programs (ROCKonnect Masterclass, Lunch & Learns). Pricing is not publicly disclosed; customers are routed to sales representatives or dealer finders. Differentiation rests on proprietary stone wool fiber technology, vertical integration via owned manufacturing facilities, an 80+ year brand and trademark portfolio registered across 60+ jurisdictions, and quantifiable sustainability claims (products last 65+ years and save 100x the energy used in production over their lifetime).

Name

ROCKWOOL

Legal name

ROCKWOOL A/S

Website

https://rockwool.com

Company type

Public

Founded year

1937

Operating status

Operating

Short description

ROCKWOOL is the world's leading manufacturer of stone wool insulation made from volcanic rock, serving residential, commercial, industrial and OEM construction markets globally through 45 manufacturing facilities, direct field sales and a dealer network under the publicly listed ROCKWOOL A/S (NASDAQ Copenhagen).

Ownership category

akta.pro rank

Product category

Building Insulation Materials

NAICS

Mineral Wool Manufacturing (327993)

SIC

Abrasive, Asbestos & Misc Nonmetallic Mineral Prods (3290)

akta.pro primary industry

Mineral Wool (Rock/Slag Wool) Insulation (IMADAGAB)

akta.pro secondary industry

Insulation Retail (Fiberglass, Foam Board, Spray Foam Kits) (CRAIAEAE)

Keywords

• Stone wool insulation
• Building insulation products
• Acoustic ceiling solutions
• Façade cladding panels
• Horticultural substrates

Headquarters

HQ city

Milton

HQ country

Canada

HQ region

North America

Offices7 records

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

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

Revenue model

1. Stone Wool Insulation Products: ROCKWOOL manufactures and sells a full range of stone wool insulation products for the construction industry, including commercial, residential, and industrial applications. Products include batt insulation, rigid boards, semi-rigid boards, and specialty insulation solutions for various building applications.

Go-to-market motion2 records

Distribution channels3 records

Marketing channels8 records

Core offering

ROCKWOOL manufactures and sells stone wool (mineral wool) insulation products derived from volcanic rock, serving residential, commercial, industrial/technical, and OEM customers in the construction and process industries. The company operates 45 manufacturing facilities worldwide and complements its insulation portfolio with sister brands Rockfon (acoustic ceilings), Rockpanel (façade cladding), Grodan (horticultural substrates), and Lapinus (engineered solutions).

Product overview

ROCKWOOL is the world's leading manufacturer of stone wool insulation products for the construction industry. The product portfolio includes a full range of high-performing insulation products: AFB (Acoustical Fire Batt) for interior steel and wood stud applications; Cavityrock® for exterior cavity and rainscreen walls; Comfortboard® 80 and Comfortboard® 110 for rigid exterior continuous insulation; Comfortbatt® for thermal batt insulation in residential and commercial walls; Safe'n'Sound® for fire and soundproofing in residential construction; and Toprock® DD for low-slope roof insulation. The ROCKWOOL Group also includes sister brands: Rockfon (acoustic ceilings and walls), Rockpanel (façade cladding boards), Grodan (horticultural growing media), and Lapinus (noise and vibration control). Products are based on volcanic rock fiber technology capable of withstanding temperatures exceeding 2000°F (1093°C).

Differentiator

Problem solved

Functional benefit

Brands

• Rockfon: Acoustic ceilings and walls - complete ceiling system offer combining panels with suspension grid systems and accessories
• Rockpanel
• Grodan
• Lapinus

Products and services

• AFB (Acoustic Fire Batt) Stone wool acoustic and fire-resistant batt insulation engineered for commercial interior wall and floor assemblies where fire code compliance and acoustic performance are required.
• Cavityrock Stone wool insulation board for cavity wall assemblies in commercial and residential construction, providing thermal performance, fire resistance, and moisture management.
• Comfortboard 80 Rigid stone wool continuous insulation board for exterior walls, providing thermal performance and fire resistance in commercial and residential building envelopes.
• Comfortboard 110 Higher-density rigid stone wool continuous insulation board for exterior wall assemblies where greater R-value and fire performance are required.
• Comfortbatt Semi-rigid stone wool thermal batt insulation designed for residential and light commercial wood stud cavity walls, providing thermal comfort, fire resistance, and moisture management.
• Safe'n'Sound Stone wool batt insulation engineered for soundproofing interior walls and between floors in residential and light commercial buildings, combining acoustic performance with fire resistance.
• Toprock DD Stone wool insulation board designed for flat roof applications, providing thermal performance, fire resistance, and compressive strength for commercial flat roofing systems.
• Rockfon acoustic ceiling systems Acoustic ceiling tile and panel systems manufactured from stone wool, sold under the Rockfon brand to commercial interiors for sound absorption and fire-safe ceilings.
• Rockpanel façade cladding Façade cladding boards manufactured from stone wool, sold under the Rockpanel brand for exterior wall finishes with fire-resistant performance.
• Grodan horticultural substrates Stone wool-based growing media and substrates sold under the Grodan brand for precision horticulture and greenhouse cultivation.
• Lapinus engineered stone wool solutions Engineered stone wool fiber solutions sold under the Lapinus brand for industrial applications including friction, sealing, filtration, and composite reinforcement.

Quantifiable outcome

• Products can last for at least 65 years with no need for maintenance
• +3 more outcomes

Named customers8 records

Segments4 records

Ideal customer profiles3 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature9 records

Partnerships

Eight partnerships are on record, tiered minor and core.

• Facebook/MetaminorGTM or Marketing PartnerROCKWOOL uses Facebook and Instagram for marketing activities. ROCKWOOL and Meta are joint data controllers for processing personal data collected in connection with interactions with ROCKWOOL page profiles. Meta acts as data processor for creating target audiences.
• LinkedInminorGTM or Marketing PartnerROCKWOOL and LinkedIn are joint data controllers for processing personal data for statistical purposes. ROCKWOOL uses LinkedIn for professional networking and recruitment purposes.
• YouTube/GoogleminorGTM or Marketing PartnerROCKWOOL uses Google as a data processor in connection with its use of YouTube and shares certain information about user interactions, interests, etc. with YouTube for optimizing marketing and service.
• X (formerly Twitter)minorGTM or Marketing PartnerROCKWOOL is the data controller for processing personal data in the context of managing its X (Twitter) account, while X is a separate data controller for the personal data it processes. ROCKWOOL uses X for marketing and communication.
• AIA San FranciscocoreStrategic or Co-development PartnerAIA San Francisco Center for Architecture + Design is a key case study partner. ROCKWOOL products were used in the renovation of the 10,000-square-foot landmark commercial space to improve indoor environmental quality and acoustics for exhibitions.
• PARAVANT ArchitectsminorStrategic or Co-development PartnerPARAVANT Architects, co-founded by Christian Kienapfel, is a featured speaker partner for ROCKonnect Masterclass on Passive House design. Christian is recognized for advancing high-performance, sustainable building design in California.
• Walsh Construction Co.minorStrategic or Co-development PartnerWalsh Construction Co., represented by Marty Houston, is a featured speaker partner for ROCKonnect Masterclass events, contributing expertise in quality management and energy-efficient construction.
• LEED/Green Building CertificationcoreTechnology or IntegrationROCKWOOL provides LEED Letters through their LEED Letter Generator tool, helping projects earn credits toward LEED v4 and 4.1 certification. Products contribute to various sustainability credits.

Scale indicators7 records

Recent moves7 records

Expansion highlights5 records

Direct peers

• Knauf Insulation: Knauf Insulation is a leading global manufacturer of glass mineral wool, rock mineral wool, and wood wool insulation. It is a direct competitor to ROCKWOOL in residential, commercial, and technical insulation segments worldwide.
• Saint-Gobain (Isover): Saint-Gobain's Isover division is one of the world's largest insulation manufacturers, producing both glass wool and stone wool products. It competes head-to-head with ROCKWOOL across Europe and increasingly in North America and Asia.
• Johns Manville: Johns Manville (Berkshire Hathaway) manufactures fiberglass and mineral wool insulation for buildings, industrial, and OEM applications. It is a close competitor in North American residential and commercial insulation markets.

Broad incumbents

• Owens Corning: Owens Corning is a global building materials leader with a large fiberglass and mineral wool insulation business. It directly competes with ROCKWOOL in residential and commercial insulation, with broader portfolio exposure to roofing and composites.
• Kingspan Group: Kingspan is a major building envelope solutions provider offering rigid insulation boards, insulated panels, and façades. It overlaps with ROCKWOOL in high-performance continuous insulation and competes in the same commercial specification channel.
• BASF (Performance Materials / Styrodur):

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks5 records

Key highlights7 records

Customer concentration

• YouTubeyoutube.com/user/rockwoolgroup
• LinkedInlinkedin.com/company/rockwool

Compliance2 records

Revenue estimate

Valuation estimate

Number of profiles

Subsidiaries9 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 ROCKWOOL