Isola

What Isola does

Isola AS is a privately held Norwegian building materials manufacturer and distributor, founded in 1983 and headquartered in Porsgrunn, operating under parent Isola Holding AS. The company develops, produces, and sells roofing, wall, floor/foundation, and wet room products across five countries (Norway, Sweden, Denmark, Germany, and Czech Republic), with manufacturing facilities in Norway (Eidanger, Notodden), a slate quarry in Rogne, and steel-roof production through its Czech subsidiary Isola Powertekk s.r.o. Its core technology centers on Tyvek membrane products developed under a long-standing license with DuPont since 1989, supplemented by the patented Isola Lufteprofil ventilation system and SINTEF Technical Approvals across multiple product lines.

Isola's product portfolio spans steel plate roofing (Powertekk), roof shingles using company-quarried slate, diffusion-open underlays, wind and vapor barriers, the MEMBRA self-adhesive wet room membrane system, steel gutter systems, Platon foundation drainage plates, and radon protection solutions. The company also operates Isola Solar AS, established in 2020 with utility partner Skagerak Energi, delivering integrated rooftop solar installations totaling over 64,000 m² and approximately 5.7 million kWh annual output by 2024. Its most recent launches include the Tyvek Proffsystem (2026) with up to 30-year system warranty and the Bjelkelagsrims edge trim.

Isola generates revenue through B2B sales of building materials to trade professionals, construction companies, and homeowners via building materials retailers, supplemented by direct sales organizations in Norway, Sweden, Denmark, and Germany. Pricing follows a standard B2B model with a 25,000 NOK freight-free threshold, zone-based surcharges for northern Norway, Net 30 terms, and a 20% restocking fee. The company employs 251-500 people and runs trade-focused marketing through Isola Academy, district managers, YouTube, and trade publications, with CEO Bjørnar Gulliksen leading the leadership team.

Name

Isola

Legal name

Isola AS

Website

https://isola.no

Company type

Private

Founded year

1983

Operating status

Operating

Headcount range

251–500 employees

Short description

Isola is a Norwegian building materials manufacturer producing Tyvek-based membranes, steel roofing, wet room systems, and integrated solar solutions, sold across five Nordic and Central European countries via direct sales and building materials retailers.

Ownership category

akta.pro rank

Product category

Building Materials (Roofing & Waterproofing Systems)

NAICS

Roofing, Siding, and Insulation Material Merchant Wholesalers (42333), Drywall and Insulation Contractors (238310)

SIC

Plastic Material, Synth Resin/Rubber, Cellulos (No Glass) (2820)

akta.pro primary industry

Insulation & Air/Vapor Barrier Systems (Thermal, Acoustic, WRB/AVB) (IMAFAMAD)

akta.pro secondary industry

Roofing Adhesives, Sealants & Leak Repair (IMADAOAF)

Keywords

• Building envelope systems
• Roofing membranes
• Wind barriers
• Waterproofing solutions
• Steel roofing products

Headquarters

HQ city

Porsgrunn

HQ country

Norway

HQ region

Europe

Offices7 records

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

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

Revenue model

1. Building Materials Sales: Isola generates revenue primarily through the sale of building materials including roofing products (steel plate roofing, roof shingles, roof covering), wall products (wind barriers, vapor barriers, flashings), floor and foundation products (drainage plates, moisture barriers, radon protection), and accessories (tapes, sealing products, gutters). Products are sold through building materials retailers and distributors across Nordic and Central European markets.
2. Solar Energy Solutions: Through subsidiary Isola Solar AS (established 2020), the company develops and delivers integrated solar energy solutions for roofs. In 2024, they installed over 64,000 m² of solar panels producing approximately 5.7 million kWh annually.

Pricing tiers

Go-to-market motion2 records

Distribution channels4 records

Marketing channels6 records

Core offering

Isola manufactures and distributes building envelope protection products for sloped roofs, flat roofs, walls, floors, and foundations. The portfolio centers on Tyvek-based wind and vapor barriers, diffusion-open roof underlays, wet room membrane systems (MEMBRA), steel roof tiles and shingles (Powertekk), steel gutter systems, radon barriers, drainage plates, and associated sealing tapes. Products are developed specifically for Nordic weather conditions, hold SINTEF Technical Approval, and are sold as integrated system solutions with up to 30-year warranties through building materials retailers and direct sales organizations in Norway, Sweden, Denmark, Germany, and the Czech Republic.

Product overview

Isola is a Norwegian building materials company offering a comprehensive range of construction products focused on roofing, waterproofing, and building envelope solutions. The product portfolio centers on the Isola Tyvek® membrane technology family for wind and vapor barriers, complete steel gutter systems (Isola Ståltakrenner), membrane-based wet room solutions (MEMBRA® Våtromsystem), and foundation/drainage products including Platon drainage plates and radon barriers. Products are organized into five main categories: Skrå tak (sloped roofs with steel tile roofing, shingles, and membranes), Flate tak (flat roofs with membranes and green roof solutions), Vegg (walls with wind barriers and vapor barriers), Gulv og grunn (floors and foundations with drainage, radon protection, and membranes), plus a complete range of tape and sealing products. Isola also operates Isola Solar AS, a separate company developing integrated solar energy solutions for roofs. The company holds SINTEF Technical Approval for key products and systems, with professional system packages offering up to 30-year warranties.

Differentiator

Problem solved

Functional benefit

Brands

• Tyvek Proffsystem: Complete professional system for wind-tightness and moisture protection using Tyvek membrane technology, with SINTEF system approval and up to 30-year warranty.
• Powertekk
• Platon
• MEMBRA
• Bio-Ren

Products and services

• Tyvek D-Pro Diffusion-Open Underlayment (Tyvek D-Pro Diffusjonåpent underlagsbelegg) Diffusion-open underlayment sheet combining a spun Tyvek membrane and polypropylene felt into a homogeneous, robust membrane for moisture-secure installation under roof coverings. Approved down to 10-degree roof pitch, intended for sloped roof applications in Nordic climates.
• Isola Lufteprofil System Complete solution for ventilation and wind protection of insulated sloped roofs, consisting of specially developed ventilation profiles and Isola Tyvek wind barrier adapted for c/c 600 mm rafter spacing. SINTEF-tested and approved for wind protection in finished roof constructions.
• Tyvek Soft Xtra Wind Barrier (Tyvek Soft Xtra Vindsperre) Wind barrier membrane built on DuPont Tyvek technology, providing maximum security during construction and in finished buildings. Designed for wall applications to ensure weather tightness while permitting vapor diffusion.
• MEMBRA Wet Room System (MEMBRA Våtromsystem) Self-adhesive wet room membrane system for walls and floors, comprising primer, self-adhesive membrane sheet, corner patches, pipe and drain sleeves, and sealing bands for corners and terminations. SINTEF-approved and recommended by the Norwegian bathroom industry council.
• Isola Steel Gutter System (Isola Ståltakrenner) Complete gutter system in high-strength, hot-dip galvanized steel with polyester coating. Available in 125 mm for residential and 150 mm for larger commercial buildings, with comprehensive accessories for secure mounting. Designed for Norwegian climate with extreme temperature variations.
• Platon Drainage Plate (Platon Drensplate) Drainage plate for foundation walls providing effective drainage and moisture protection. Made from high-density polyethylene (HDPE) with a structured surface that channels water away from below-grade structures.
• Radon Barriers (Radonsperre system) Complete radon barrier solutions including Radonmembran SBS, Radonsperre 400, and Radonsperre 550, along with accessories for sealing buildings against radon gas intrusion.
• Powertekk Roofing Shingles (Powertekk Takshingel) Stone-coated steel tile roofing product made with natural slate from Isola's own quarry. Combines the aesthetic of traditional shingles with the durability of steel, manufactured by Isola Powertekk s.r.o. in the Czech Republic.
• Isola Lufteprofil (Ventilation Spalte Profile) Right-angled special profile of polyethylene-coated cardboard with integrated modified acrylic adhesive tape. Used together with Isola Vindsperre at c/c 600 mm spacing for ventilation and wind protection in sloped roof assemblies.
• FLEX 12/48 Vapor Barrier Tape (FLEX 12/48 Dampsperre Tape) Flexible vapor barrier tape for sealing vapor barriers in construction. Designed for durable and moisture-secure joints in building envelope assemblies.
• Isola Solar (Integrated Solar Roofing Solutions) Integrated solar energy solutions for roofs, developed and delivered by Isola Solar AS. Combines Isola's roofing expertise with solar panel installation; installed over 64,000 m² of solar panels producing approximately 5.7 million kWh per year as of 2024.
• Isola Tyvek Proffsystem (Professional System Package) Professional system package of carefully selected Isola products designed to function optimally together, including wind barriers, tape and adhesive systems, gaskets and penetrations, window and detail solutions, underlayment and accessories. SINTEF system-approved components with up to 30-year system warranty.
• Isola Bjelkelagsrims (Beam Storage Edge Trim) Beam storage edge trim designed to protect wooden joist structures against moisture and water accumulation, reducing rot risk and extending the lifespan of the structure. Targeted at terrace and outdoor wooden construction.

Quantifiable outcome

• Zero complaints from contractors after switching to Isola Tyvek products
• +2 more outcomes

Named customers7 records

Segments3 records

Ideal customer profiles3 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature5 records

Partnerships

Five partnerships are on record, tiered core and minor.

• Skagerak EnergicoreStrategic or Co-development Partner · 1 January 2021Strategic partnership with Skagerak Energi strengthened Isola Solar AS in 2021. Skagerak Energi is a co-owner of Isola Solar, which develops and delivers integrated solar energy solutions for roofs. In 2024, Isola Solar had installed over 64,000 m² of solar panels producing approximately 5.7 million kWh annually.
• DuPontcoreTechnology or IntegrationLong-standing collaboration with DuPont since 1989 for Tyvek membrane technology. Isola has co-developed complete climate systems with DuPont, including products created in Norway specifically for Norwegian conditions. Tyvek is a DuPont trademark.
• SINTEFcoreStrategic or Co-development PartnerTechnical collaboration resulting in SINTEF Technical Approval for Isola products and systems. Products undergo rigorous testing by SINTEF for use in Norwegian construction. Isola Lufteprofil System and various other products have received SINTEF technical approval confirming they meet requirements for construction in Norway.
• JATREminorStrategic or Co-development PartnerJoint collaboration with JATRE to secure SINTEF approval for new roof element solutions. Both companies obtained SINTEF approval for their combined element solutions.
• IDTechExminorOthersIsola was consulted as a material industry player by IDTechEx for their market analysis report on low-loss materials for high-frequency applications. Note: This appears to be a different Isola company (laminate materials for electronics) rather than the Norwegian building materials Isola.

Scale indicators5 records

Recent moves8 records

Expansion highlights5 records

Direct peers

• BMI Group (BMI Cobertinhas/Braas Monier): Pan-European pitched-roof and waterproofing manufacturer (steel and concrete tiles, membranes) with strong Nordic presence through Icopal. Closest direct comparable to Isola's Tyvek membrane + Powertekk steel-roof stack on product, channel (building merchants), and customer (trade roofers).
• Icopal (part of BMI): Nordic heritage waterproofing and roofing membrane brand, now within BMI. Overlaps directly with Isola's Tyvek underlay, vapor barrier and flat-roof membrane ranges for Scandinavian builders and roofers.
• Rockwool A/S: Nordic-anchored stone-wool insulation and building-envelope solutions manufacturer serving the same Scandinavian construction-trade channel as Isola. Comparable on system thinking (insulation + membranes) and on Norwegian-code positioning.
• Ruukki Construction (SSAB): Steel-based roofing and wall solutions producer across the Nordics and Baltics; direct competitor to Isola Powertekk steel tile roofing, with overlapping building-merchant distribution and residential-roofer customer base.

Broad incumbents

• Sika AG: Global specialty chemicals/construction-chemicals major with waterproofing, sealing, bonding and roofing-membrane lines (Sarnafil). Competes with Isola MEMBRA wet-room system and sealing/tape products across commercial and residential segments.
• Wienerberger AG: European clay and concrete roofing-solution manufacturer, including pitched-roof tiles, membranes, and building envelope systems. Competitor to Isola's Powertekk stone-coated steel shingles in the pitched-roof category.
• Kingspan Group: Global building envelope specialist with insulation, membranes, and roof/wall panels. Competes with Isola on high-performance wall/roof systems and is a natural comparator for Proffsystem-style warranties in Northern Europe.
• Saint-Gobain Distribution (Optimera / Dahl): Building-materials merchant and manufacturer active in Scandinavia through Optimera; Isola is effectively a competing supplier within Optimera's portfolio. Useful benchmark for Isola's merchant-channel economics and breadth across roof/wall/foundation SKUs.

Regional players

• Benders Sverige AB: Swedish concrete roof-tile and building-products manufacturer, strong in the Nordic market via building merchants. Comparable to Isola as another Nordic building-envelope specialist, though focused on concrete rather than Tyvek/steel systems.

Others

• Menerga ApS: Adjoining in building-envelope and HVAC controls rather than direct roofing overlap; included as adjacent Nordic/EU peer sharing climate-control and building-performance regulatory drivers with Isola.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks6 records

Key highlights7 records

Customer concentration

• YouTubeyoutube.com/@IsolaNorge
• Facebookfacebook.com/IsolaNorge
• LinkedInlinkedin.com/company/isola-as
• Instagraminstagram.com/isolanorge
• Xx.com/isola_no

Revenue estimate

Valuation estimate

Number of profiles

Profiles6 records

Subsidiaries4 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 Isola