Weckman Steel

What Weckman Steel does

Weckman Steel Oy is a Finnish family-owned steel products manufacturer founded in 1962 and headquartered in Vierumäki, Finland, with a second factory in Iisalmi and wholly-owned subsidiaries in Finland (Orima-Tuote Oy), Estonia (Esco As) and Germany (JHW-Profiles GmbH). The group employs approximately 100 people and manufactures four principal product lines: (1) metal roofing products - including standing seam (Progantti, Progantti Acoustic Pro, Progantti J), tile-profile (Teräsaalto, Terästiili, Teräsaateli), corrugated (W-1/W-2/W-20K/W-20R/W-45JR), and machine-seamed (Rivipelti, Riviraina) sheets, plus roof safety and rainwater accessories; (2) structural steel - load-bearing corrugated sheets (W-45 to W-155), Z/C/U lightweight purlins, composite slab Liittolevy HC-45 and geogrid (Geolevy); (3) prefabricated steel halls under the Tuhti brand - uninsulated, insulated, canopies, machine halls, livestock shelters and riding arenas; and (4) tractor trailers including tipping, earth-moving and multi-purpose wagons.

The company's competitive position rests on proprietary standing-seam roofing technology (with integrated sound-absorbing and condensation-protection layers), in-house deterministic structural design software (Weckman Optimi, supporting Eurocode national annexes for multiple countries) and free BIM objects distributed via Prodlib across AutoCAD, Revit and ArchiCAD. From 2026, products can be specified with SSAB Zero fossil-free steel under a letter of intent with SSAB Europe.

Weckman operates a hybrid go-to-market model combining factory-direct sales for halls and larger projects, the widest network of installation and renovation partners in Finland for turnkey roofing, and a nationwide reseller network for standard roofing products and accessories. Hall buyers can alternatively acquire product via fixed monthly leasing through financial partner Grenke. Customer segments span residential homeowners, agricultural operators, industrial and commercial buyers, architects and structural engineers, and forestry/earthworks contractors, with no public revenue disclosure.

Name

Weckman Steel

Legal name

Weckman Steel Oy

Website

https://weckmansteel.fi

Company type

Private

Founded year

1962

Operating status

Operating

Headcount range

51–100 employees

Short description

Weckman Steel Oy is a Finnish family-owned manufacturer, founded in 1962, that produces metal roofing sheets, load-bearing structural steel, prefabricated halls, and tractor trailers from factories in Vierumäki and Iisalmi for residential, agricultural, industrial, and construction-professional customers across Finland and select European markets.

Ownership category

akta.pro rank

Product category

Steel Roofing and Construction Products

NAICS

Sheet Metal Work Manufacturing (332322), Architectural and Structural Metals Manufacturing (3323)

SIC

Sheet Metal Work (3444), Industrial Trucks, Tractors, Trailors & Stackers (3537)

akta.pro primary industry

Metal Roofing Systems (IMADAFAB)

akta.pro secondary industries

Flashing, Edge Metal & Roof Accessories (IMADAFAJ), Cold-Formed Steel Framing & Studs (IMADACAF)

Keywords

• Metal roofing products
• Steel construction materials
• Prefabricated steel halls
• Tractor trailers
• Structural steel profiles

Headquarters

HQ city

Vierumäki

HQ country

Finland

HQ region

Europe

Offices2 records

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

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

Revenue model

1. Metal Roofing Products: Sale of roofing sheets (standing seam, tile profile, corrugated), roof accessories, and roof renovation services through resellers and direct sales.
2. Steel Halls: Sale of prefabricated steel halls (insulated, non-insulated) and special halls (machine halls, farm buildings, maneges) for agriculture, industry and business. Available for purchase or leasing.
3. Tractor Trailers: Sale of tractor trailers including grain wagons, earth-moving wagons, and multi-purpose trailers for farms, forestry, and earthworks.
4. Hall Leasing: Leasing option for Weckman halls through financial partner Grenke, allowing businesses to acquire halls with monthly payments without large upfront investment.
5. Steel Construction Products: Load-bearing profiles, purlins (Z-, C-, U-sections), composite slabs, and geoplates for professional construction.

Pricing tiers

Go-to-market motion2 records

Distribution channels4 records

Marketing channels5 records

Core offering

Weckman Steel Oy manufactures and sells a broad portfolio of thin-sheet steel products from its two Finnish factories in Vierumäki and Iisalmi. Core offerings span metal roofing sheets (standing seam, tile-profile, corrugated, and machine-seamed), structural steel products (load-bearing corrugated sheets, composite deck slabs, lightweight purlins, geogrids), prefabricated steel halls under the Tuhti brand (insulated, uninsulated, canopies, and specialized halls for machines, livestock, and riding arenas), and Tuhti tractor trailers (tipping wagons, earth-moving wagons, multi-purpose wagons). The company also offers turnkey roof renovation services through its installation partner network and proprietary design software (Weckman Optimi) for engineers.

Product overview

Weckman Steel is a Finnish family-owned steel products company founded in 1962, offering a broad portfolio of steel construction solutions organized into four main product lines: (1) Steel roofing — including Weckman Progantti, Progantti Acoustic Pro, and Progantti J standing seam roofs; Weckman Teräsaalto, Terästiili, and Teräsaateli tile-profile roofs; Weckman W-1, W-2, W-20K, W-20R, and W-45JR corrugated roofs; and Weckman Rivipelti/Riviraina machine-seamed roofs, plus accessories (safety, drainage, special flashings); (2) Steel construction — including load-bearing corrugated sheets (W-45 through W-155), Liittolevy HC-45 composite slabs, Z/C/U lightweight purlins, and Geolevy geogrids; (3) Steel halls — Tuhti pre-fabricated insulated and uninsulated halls, canopies, and specialized halls for machines, livestock, and riding arenas; (4) Tractor trailers — Tuhti tipping wagons, earth-moving wagons, and multi-purpose trailers. The company also provides installation/renovation services and design software tools (Weckman Optimi) plus BIM objects through Prodlib. Weckman manufactures at two Finnish factories (Vierumäki and Iisalmi) and holds subsidiaries in Estonia and Germany.

Differentiator

Problem solved

Functional benefit

Brands

• Tuhti: Brand for halls and tractor trailers
• Terästiili
• Progantti
• Weckman Optimi

Products and services

• Weckman Progantti Standing Seam Roofing (including Acoustic Pro and J variants) Standing seam (lock seam) metal roofing sheet family including the standard Progantti with Weckman side fasteners for free thermal expansion, the Progantti J variant, and the Progantti Acoustic Pro featuring an integrated factory-applied sound-absorbing layer and condensation protection with up to 50-year durability rating. Suitable for single-family homes, row houses, and public buildings; available in SSAB Zero and SSAB GreenCoat steel options.
• Weckman Tile-Profile Metal Roofing (Teräsaalto, Terästiili, Teräsaateli) Tile-profile metal roofing sheets mimicking traditional clay tile appearance, including Teräsaalto, Terästiili (one of Weckman's best-known brands), and Teräsaateli batten-profile variants. Made from corrugated steel for residential and commercial roof applications.
• Weckman Corrugated Metal Roofing (W-1, W-2, W-20K, W-20R, W-45JR) Corrugated metal roofing sheets available in W-1, W-2, W-20K (cold-formed), W-20R (warm-formed), and W-45JR (J-variant with ridge application) profiles. Used for residential, agricultural, and commercial roof covering applications.
• Weckman Machine-Seamed Roofing (Rivipelti, Riviraina) Machine-seamed sheet products (Rivipelti seamed sheet and Riviraina strip/coil) for traditional standing seam roofing installations using machine-seaming techniques.
• Load-Bearing Corrugated Steel Sheets (W-45, W-70, W-115, W-130, W-155) Load-bearing corrugated steel profiles (W-45, W-70, W-115, W-130, W-155) used in structural construction for roofing and flooring applications where the sheet itself bears loads. Supported by the Weckman Optimi design software for dimensioning.
• Liittolevy HC-45 Composite Deck Slab Composite slab system combining a formwork steel sheet with concrete pour. Serves simultaneously as formwork and reinforcement, reducing the need for additional reinforcement. Made partially from recycled steel and is 100% recyclable, providing an ecological construction solution. Used for intermediate floors in residential, commercial, and luxury home construction.
• Lightweight Steel Purlins (Z, C, U profiles) Lightweight steel purlins (kevytorret) manufactured in Z, C, and U profiles for use in steel construction for roofing and wall structures.
• Geolevy Geogrid Geogrid/geonet product for earth construction and ground reinforcement applications.
• Tuhti Prefabricated Steel Halls (insulated, uninsulated, canopies) Tuhti brand prefabricated steel halls including insulated (lämmin halli) and uninsulated (kylmä halli) variants, plus canopies and machine shelters (konekatokset). Available for agriculture, industry, and commercial use. Example pricing: WS hall package 16x30m at 57,700 EUR + VAT (ex-works Vierumäki). Available for purchase or leasing through Grenke partner.
• Specialized Steel Halls (Machine Halls, Livestock Shelters, Riding Arenas) Erikoishallit specialized steel hall solutions including machine halls (konehallit), livestock shelters (pihatot), and riding arenas (maneesit) for agricultural, equestrian, and industrial applications.
• Tuhti Tractor Trailers (Tipping Wagons, Earth-Moving Wagons, Multi-Purpose Wagons) Trailer product line under Tuhti brand including tipping wagons (avattavalaitaiset viljavaunut, kiinteälaitaiset viljavaunut), earth-moving wagons (maansiirtovaunut), and multi-purpose wagons (monitoimivaunut). Designed for demanding cargo transport in farming, forestry, and earthworks.
• Roof Safety Accessories (Kattoturvatuotteet) Roof safety accessories including snow guards, walkways, safety hooks, and ladder systems for safe roof access and maintenance.
• Rainwater Drainage Systems (Sadevesijärjestelmät) Rainwater drainage systems including gutters and downspouts designed for metal roof applications.
• Kattoremontti Turnkey Roof Renovation Service Avaimet käteen (turnkey) roof renovation and installation service covering all of Finland through the network of installation partners. Includes roofing materials, accessories, and professional installation as a complete service.
• Weckman Optimi Design Software Browser-based structural design software (mitoitusohjelma) for dimensioning Weckman load-bearing corrugated sheets (W-45 to W-155), lightweight purlins, and composite slabs. Includes Eurocode national annexes for multiple countries. Version 1.2.0 (released March 2026) adds stressed skin design (levyjäykistyslaskenta) and lateral bracing for truss/rafter upper chords (ristikon yläpaarteen tuenta). Available in Finnish and English.

Quantifiable outcome

• ~15% CO2 reduction since 2020
• +3 more outcomes

Named customers3 records

Segments5 records

Ideal customer profiles4 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature4 records

Partnerships

Four partnerships are on record, tiered core.

• SSABcoreStrategic or Co-development Partner · 1 January 2026SSAB Europe and Weckman Steel Oy signed a letter of intent for supply of fossil-free steel to the Finnish market from 2026 onwards. Consumers will have the option to choose Weckman steel roofs and halls made from fossil-free steel.
• Orima-Tuote OycoreOthersSubsidiary of Weckman Group located in Orimattila, Finland.
• Esco AscoreOthersSubsidiary of Weckman Group located in Estonia.
• JHW-Profiles GmbHcoreOthersSubsidiary of Weckman Group located in Germany.

Scale indicators5 records

Recent moves6 records

Expansion highlights6 records

Direct peers

• BILKA Steel: Romanian roll-former of metal roofing tiles, trapezoidal sheets, and complete rainwater systems, with newer presence in Hungary and the Balkans. Direct peer to Weckman in the lightweight metal-roofing category serving residential and small-commercial customers.
• Pruszyński Sp. z o.o. Polish family-owned manufacturer of metal roofing tiles, trapezoidal sheets, and load-bearing profiles with growing presence in the Baltics. Comparable to Weckman in family ownership structure, product breadth, and target of expanding into Nordic/Baltic residential and agricultural markets.
• Plannja (SSAB): Nordic brand for profiled metal roofing, facade cladding, and rainwater systems, now part of SSAB. Directly competing with Weckman Progantti and Terastiili SKUs across Sweden, Norway, and Finland in the residential and light-commercial re-roofing market.
• Metrotile (Ross Roof Group): Manufacturer of lightweight stone-coated and painted metal roofing tiles and panels distributed internationally. Comparable to Weckman's Terastiili/Teräsaateli tile-profile products targeting residential re-roofing, though positioned in a more premium/premium-coating segment.
• Profilaxia SA: Greek-based roll-former of standing seam and corrugated metal roofing sheets, load-bearing profiles, and structural steel sections. A near like-for-like European mid-market peer to Weckman in profile depth and roofing plus structural product mix.
• Lindab: Swedish manufacturer of steel roofing, wall cladding, rainwater systems, and prefabricated steel buildings for residential and commercial use. Closest pan-Nordic peer to Weckman in product mix and customer profile (homeowners, builders, agricultural buyers) and a benchmark for international expansion via own subsidiaries.
• Ruukki Construction (SSAB): Finnish/Nordic metal roofing, wall cladding, and prefabricated steel buildings business owned by SSAB. Directly overlapping product range with Weckman (standing seam and tile-profile sheets, load-bearing profiles, steel halls), and benefits from the same SSAB steel supply and BIM/specification tools — the most head-to-head competitor in Finland.

Broad incumbents

• Kingspan Group: Global building envelope solutions provider with significant standing seam, insulated panel, and roofing systems business. Overlaps with Weckman on metal roofing and prefabricated hall/building products but operates at far greater scale and with a much wider product and geographic portfolio.
• Voestalpine Stahlbau / Construction Products: Austrian-headquartered steel major with construction products including profiled sheets, structural sections, and prefabricated building systems. Broad incumbent peer that competes with Weckman in load-bearing profiles, steel halls, and trailer/construction steel supply across Northern Europe.
• Tata Steel Europe (Construction Products): Global steel producer with a Colorcoat/Confidex-branded range of coated steel and profiled roofing products across the UK and continental Europe. Competes with Weckman at the substrate/coating level and via downstream roll-formers, sitting alongside rather than directly against Weckman in Finland.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks5 records

Key highlights7 records

Customer concentration

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Compliance1 record

Revenue estimate

Valuation estimate

Number of profiles

Profiles4 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 Weckman Steel