Heuel and Sons

What Heuel and Sons does

Heuel GmbH Aluminiumgießerei is a family-owned German aluminum die-casting manufacturer founded in 1955 in Sundern-Hachen, North Rhine-Westphalia, currently led by the third generation of the Heuel family (Torsten Heuel, commercial; Stefan Heuel, technical). The company operates a fully integrated production site of roughly 50,000 m² with ~13,000 m² of built halls, employing approximately 120 people and producing more than 1,800 articles spanning roof step systems (TopStep, SnapStep, ClipStep, MultiStep, BibStep, FlatStep), snow retention systems (StandardBoard, TopBoard, Pipe/DoublePipe), maintenance walkways and rescue-route infrastructure (Laufstege, Podeste, Wartungsweg Typ C, IKARUS, Flachdachgeländer), solar/PV mounting (SOLPAN, HEUEL Safe), ventilation flashings, fixed ladders, fence components, and customer-specific castings for industries such as rehabilitation technology and motorsport. In-house capabilities cover the entire value chain — CAD engineering in SolidWorks, tool making, foundry (Kokillenguss), grinding, sawing, powder coating, and shipping — supplemented by an in-house test stand commissioned in 2025 for norm-compliance verification.

The business sells exclusively through the German building materials wholesale trade (Baustoffgroßhandel), supported by a structured internal and field sales force (six outside sales representatives organized by German postal code) and an exclusive Austrian distribution partner (MPD Dach und Fassadenzubehör e.U.). End customers include roofers, carpenters, metalworkers, architects, planners, and building owners, with no direct-to-consumer or e-commerce channel. Revenue streams comprise one-time sales of branded aluminum roof accessory systems, custom aluminum casting services (Kundenspezifischer Guss), and professional services revenue from the HEUEL-Bildungsakademie training academy. Pricing is not publicly disclosed; the company directs customers to a B2B wholesale price list, offers standard RAL color finishes, and provides free freight on orders above €1,000 net within Germany.

The company's competitive position rests on 70 years of metallurgical know-how, a comprehensive norm-certified portfolio (DIN EN 516, DIN EN 517, DIN 14094-1/2, DIN 18160-5, DIN 4426, DIN EN 13374, DIN EN 795, with Baumusterprüfbescheinigungen for safety-critical components), proprietary product lines such as IKARUS and SOLPAN, and an ecosystem strategy that combines the Bildungsakademie, downloadable Ausschreibungstexte, a CAD tool on partcommunity.com, and the Schneelastrechner snow load calculator to lock in specifiers and installers. Three-generation family ownership, absence of external investors, and continuous facility expansion since the 1970s point to a long-horizon Mittelstand operator rather than a venture-backed growth company.

Name

Heuel and Sons

Legal name

Heuel GmbH Aluminiumgießerei

Website

https://heuel.de

Company type

Private

Founded year

1955

Operating status

Operating

Headcount range

1–10 employees

Short description

Heuel GmbH Aluminiumgießerei is a family-owned German aluminum die-cast manufacturer (est. 1955, ~120 staff) producing ~1,800 roof safety, snow-retention, solar-mounting, and fence articles, sold exclusively via building-materials wholesalers across Germany and Austria.

Ownership category

akta.pro rank

Product category

Aluminum roof safety and access systems

NAICS

Aluminum Foundries (except Die-Casting) (331524), Ornamental and Architectural Metal Work Manufacturing (332323)

SIC

Sheet Metal Work (3444)

akta.pro primary industry

Aluminum Value-Added Components (Automotive, Aerospace, Packaging, Building Systems) (IMAKACAM)

akta.pro secondary industries

Flashing, Edge Metal & Roof Accessories (IMADAFAJ), Aluminum Fabrication & Finishing (Machining, Anodizing, Coating) (IMAKACAI)

Keywords

• Aluminum die casting
• Roof safety systems
• Snow guard systems
• Roof access systems
• Custom aluminum casting

Headquarters

HQ city

Sundern

HQ country

Germany

HQ region

Europe

Offices1 record

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

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

Revenue model

1. Aluminum Roof Accessory Systems: Heuel manufactures and sells aluminum die-cast roof accessory systems including dachtritte (roof steps), snow retention systems, walkways, safety rails, and flat roof railings. Products are sold through the building materials wholesale trade in Germany and across Europe.
2. Custom Aluminum Casting (Kundenspezifischer Guss): The company produces custom aluminum castings for diverse industries including rehabilitation technology, go-kart components, and general industrial applications. Customers provide or commission designs, and Heuel handles construction, tool-making, casting, finishing, and powder coating in-house.
3. HEUEL-Bildungsakademie (Training): The company operates the HEUEL Bildungsakademie (Training Academy) providing professional training on roof safety, maintenance walkway installation, and rescue concepts for builders, planners, architects, roofers, and metalworkers across Germany.

Pricing tiers

Go-to-market motion1 record

Distribution channels3 records

Marketing channels4 records

Core offering

Heuel manufactures aluminium die-cast roof accessory and safety systems — including dachtritte (roof steps), snow retention grids and pipe systems, maintenance walkways and rescue-route platforms, fall-protection railings (Wartungsweg Typ C, IKARUS, Flachdachgeländer), and the SOLPAN solar module holder — at a 50,000 m² site in Sundern-Hachen, Germany, with an integrated value chain from tool-making through powder coating. Products are sold exclusively through the German building materials wholesale trade and via an exclusive Austrian distribution partner, complemented by custom industrial aluminium castings, fence components, nostalgic lanterns, and a roof-safety training academy.

Product overview

Heuel GmbH Aluminiumgießerei is a family-owned aluminum die-casting manufacturer founded in 1955, headquartered in Sundern-Hachen, Germany. The company operates a 50,000 m² production facility with approximately 120 employees and manufactures over 1,800 articles. Its product portfolio centers on aluminum roof accessories and safety systems, complemented by fence components and custom casting services. The core roof access and safety line comprises multiple roof step systems (TopStep, SnapStep, ClipStep for standing seam and aluminum roofs, MultiStep, BibStep, FlatStep) covering all common pitched roof coverings and pitch angles from 0–60°. Snow retention is addressed through StandardBoard and TopBoard snow guard grids, plus Pipe/DoublePipe snow guard pipe systems with corresponding holders for each roof type. Roof access infrastructure includes Langroste (step ladders), Laufstege (walkways), Rettungspodeste (rescue platforms), Wartungsweg Typ C (maintenance walkways), IKARUS (rail-guided self-weight anchor fall protection), and Flachdachgeländer (flat roof railings). Solar and roof building accessories include SOLPAN solar module holders, HEUEL Safe support plate sets, and Lüfter- und Durchgangspfannen (ventilation/penetration flashings). Climbing technology products include Zu- und Umstiegspodeste and Steigleitern (fixed ladders). The fence components division encompasses Kappen (caps with stainless steel springs and decorative elements), Kreuzverbinder (cross connectors), Bogen 90° (90° bends), Eckschelle (corner clamps), Gelenkkappen (articulated caps), T-Schellen (T-clamps), Abweiser (deflectors), Stacheldrahtabweiser (barbed wire deflectors), Rohrdurchführungsköpfe (pipe passage heads), and Auflageböcke (support saddles). Custom aluminum die-casting services (Kundenspezifischer Guss) cover the full production chain from consultation and construction through tool-making, foundry, finishing, and powder coating. The company also operates the HEUEL-Bildungsakademie for roof safety training and provides a Schneelastrechner (snow load calculator) as a digital tool.

Differentiator

Problem solved

Functional benefit

Products and services

• TopStep (roof step) Aluminum die-cast roof step system for tiled and concrete tile roofs, installed with a stainless steel mounting band on a separate mounting batten; adjustable for roof pitches 0–60°.
• SnapStep (roof step) Aluminum die-cast roof step that hooks directly into the roof battens for 400–490 mm tile length, eliminating the need for a separate mounting batten; adjustable for roof pitches 0–60°.
• ClipStep for Stehfalzdächer (standing seam roofs) Aluminum die-cast roof step clamped and screwed to standing seam roofs; adjustable for roof pitches 0–55°.
• ClipStep for Aluminiumdächer (metal roofs: Kalzip, BEMO, Aluform) Aluminum die-cast roof step for profiled sheet systems including Kalzip, BEMO, and Aluform; adjustable for roof pitches 0–50°.
• MultiStep (modular roof step) Modular aluminum die-cast roof step for tiled, concrete tile, metal, and corrugated sheet roofs; includes rail profiles in 100–300 cm lengths; adjustable for roof pitches 0–60°.
• BibStep (roof step for interlocking shingle roofs) Aluminum die-cast roof step for interlocking shingle (Biberschwanz) tile roofs; mounts on an 18×38 cm shingle base plate; adjustable for roof pitches 0–60°.
• FlatStep (roof step for slate and flat coverings) Aluminum die-cast roof step for slate, shingle, and flat roof coverings; mounted directly on wood sheathing with included EPDM rubber mats; adjustable for roof pitches 0–60°.
• StandardBoard (snow guard grid) Traditional snow guard grid for tiled, concrete, slate, and corrugated roofs; steel with aluminum-zinc coating; available in 150 cm and 300 cm lengths; profile 20 cm high × 2 cm deep × 0.6 mm material.
• TopBoard (premium snow guard grid) Premium aluminum snow guard grid reinforced with stainless steel profiles; available in bi-coloured and uni-colour variants for optimal long-term corrosion resistance.
• Pipe / DoublePipe Rohrsysteme (snow guard pipe systems) Snow guard pipe systems (single and double pipe) for various roof types; 40 mm diameter aluminum tube, 1.5 mm wall thickness, 200 cm length; combined with roof-covering-specific holders.
• Treppen & Nottreppen (Langroste roof and emergency stairways) Roof ladders and emergency stairs for the 2nd rescue route (DIN 14094-2) and maintenance routes (DIN EN 516); 80×25 cm aluminum long-rosts with optional safety railings; vertical point loads of 1.5 kN and height differences up to 3.80 m.
• Laufstege (walkways for rescue and maintenance routes) Walkways for the 2nd rescue route (DIN 14094-2) and maintenance routes as collective protection to DIN EN 516, DIN EN ISO 14122-3, and DIN 4426; 50 cm width, 100–300 cm lengths; supplied with 110 cm front safety railing, knee rail, and foot rail.
• Podeste für den 2. Rettungsweg (rescue platforms) Rescue platforms for the 2nd rescue route (DIN 14094-2); 80 cm width, 150–300 cm lengths; vertical load of 5.0 kN/m²; supplied with 3-sided safety railing, substructure, support feet, and sealing elements.
• Wartungsweg Typ C (K2 maintenance walkway with fall protection) Individual fall-protection walkway tested to DIN EN 516 Class 2 (K2) and DIN 4426; 50 cm width, lengths up to 610 cm; integrated foot rail and sliding shoe for safety harness; secondary fall protection requiring 12-month functional and visual inspections.
• IKARUS (self-weight-loaded maintenance walkway) Rail-guided anchor device serving as a self-weight-loaded maintenance walkway; non-penetrating system protects the roof membrane, avoids thermal bridging, and uses lightweight aluminum components with stainless steel fasteners.
• Flachdachgeländer (flat-roof railing) Flat-roof railing tested to DIN EN 13374:2019 for non-public flat roofs; no roof penetration, counterweight system using 100% recycled PVC feet (25 kg); 1.10 m height, ~22 kg/m weight; aluminum, stainless steel, PVC construction.
• SOLPAN (solar module holder with integrated roof tile) Solar module holder with integrated tile for Frankfurter Pfanne, Doppel S, Harzer Pfanne, Harzer Big, Tegalit, Tegalit Aerlox, and Taunus profiles; enables simpler mounting of solar and PV modules on pitched roofs.
• HEUEL Safe (Trägerplatten-Set / carrier plate set) Support plate set for standing seam roofs with integrated mounting bolts, EPDM rubber sealing, and cover plate; versions available with roof hook, anchor point (DIN EN 517-A), and stainless steel solar plate receiver.
• Lüfter- und Durchgangspfannen (ventilation and penetration flashings) Ventilation and penetration flashings for various tile profiles including Frankfurter Pfanne, Harzer Pfanne, Doppel S, Tegalit, Taunus, Biberschwanz, and slate; includes sanitary vents, antenna passes, solar openings, and vapour vents.
• Zu- und Umstiegspodeste (facade access and transition platforms) Access and transition platforms for facades; 80 cm width, 125 cm length; non-slip profiled surfaces; supplied with 2-sided 110 cm safety railing and integrated foot rail.
• Steigleitern (fixed vertical ladders) Fixed vertical ladders made from aluminum for building access; available in various configurations and accessories; priced and configured per project requirements.
• Kundenspezifischer Guss (custom aluminium die-casting service) End-to-end custom aluminum die-casting service from consultation through construction, tool-making, foundry, finishing, and powder coating; produces parts from 0.05 kg to 25 kg using aluminum alloy EN AC-AlSi12 (Cu); serves rehabilitation technology, motorsport, and general industrial customers.
• HEUEL-Bildungsakademie für Sicherheit auf Dächern (roof-safety training academy) Professional training academy for roof safety delivering seminars for builders, planners, architects, roofers, carpenters, and metalworkers; covers safe roof access, maintenance routes, fall protection equipment (PSAgA), rescue concepts, and norm compliance, with hands-on foundry tours; certifies system partners.
• Schneelastrechner (online snow-load calculator) Online snow-load calculator that processes inputs according to DIN EN 1991-1-3; automatically determines relevant ground elevation via database; valid for gable roofs only.
• Nostalgie Leuchten (cast-aluminium nostalgic lanterns) Nostalgic aluminum-cast lanterns and light fixtures in production since the 1970s, available via downloadable catalog.
• Aluminium die-cast fence components (Kappen, Bogen 90°, Kreuzverbinder, Eckschelle, Gelenkkappen, T-Schellen, Abweiser, Auflageböcke, Stacheldrahtabweiser, Rohrdurchführungsköpfe) Comprehensive range of aluminum die-cast fence components including caps with stainless steel springs, decorative caps, round/rectangular tube caps, 90° bends, cross connectors, corner clamps, articulated caps, T-clamps, deflectors, barbed wire deflectors, pipe passage heads, and support saddles in multiple sizes and RAL color options.

Quantifiable outcome

• Systems are designed to exceed required load values per DIN EN 516 and related standards as confirmed by type examination certificates

Named customers1 record

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

One partnership is on record.

• MPD Dach und Fassadenzubehör e.U.coreChannel Partner/ Reseller/ DistributorMPD Dach und Fassadenzubehör e.U., owned by Peter Dietinger and based in Allhaming, Austria, serves as the exclusive Austrian distribution partner for Heuel products. The partner handles sales and distribution across Austria, providing local support for the Austrian market.

Scale indicators5 records

Recent moves9 records

Expansion highlights5 records

Direct peers

• ZinCo GmbH: German manufacturer of flat-roof systems including fall-protection railings and roof-edge solutions. Directly comparable to Heuel's Flachdachgeländer and maintenance-walkway categories, with overlapping flat-roof installer customer base and German/Austrian market focus.
• Ernst Schweizer AG: Swiss metalwork and solar mounting manufacturer with pitched-roof integration solutions. Direct competitor to Heuel's SOLPAN solar module holder, serving the same Swiss/German/Austrian rooftop PV installer base with comparable integrated-tile mounting concepts.
• SL Rack GmbH: German solar mounting specialist focused on pitched-roof and tile-integrated systems. Directly comparable product proposition to Heuel's SOLPAN, with strong overlap in target installer customer and German wholesale distribution channels.
• Jacobi-Walter GmbH & Co. KG: German manufacturer of snow retention systems, roof hooks, and roof safety accessories. Closely comparable to Heuel in product range (snow guard grids, pipe systems) and German wholesale-channel distribution, competing head-to-head in pitched-roof safety categories.
• Renusol Europe GmbH: European solar mounting manufacturer serving pitched and flat roofs. Direct competitor to Heuel's SOLPAN and flat-roof safety systems, with comparable B2B distribution model through European installer and wholesale channels.

Broad incumbents

• BMI Group: Major European roofing manufacturer (BRAAS, Icopal, Wolfin) with snow guard and roof accessory systems as part of a comprehensive roofing portfolio. Competes with Heuel in snow retention and roof safety categories as a much larger broad-line incumbent.
• Wienerberger AG: Austrian/German building materials giant in clay roof tiles and roof systems. Competes in adjacent roof safety and accessories categories as a large-scale incumbent, with comparable DACH market footprint and installer relationships.
• K2 Systems GmbH: One of the largest European solar mounting manufacturers, headquartered in Germany. Competes with Heuel's SOLPAN at significantly larger scale across multiple roof types and country-level distribution, but with much broader portfolio rather than Heuel's specialty-roof-accessory focus.
• Schletter Solar GmbH: Global solar mounting manufacturer with broad product portfolio spanning pitched, flat, and ground-mount systems. Competes with SOLPAN at global scale; comparable in solar roof mounting category but operates as a broad incumbent versus Heuel's specialty roof-accessory focus.

Regional players

• AERNOUDT: Benelux-based roof safety systems manufacturer with comparable product range (snow guards, roof steps, fall protection). Comparable in product offering and family-business character but primarily serves Belgium/Netherlands rather than Heuel's German/Austrian footprint.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks7 records

Key highlights7 records

Customer concentration

Revenue estimate

Valuation estimate

Number of profiles

Profiles3 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 Heuel and Sons