Company Profile

heroal, one of the leading aluminium system specialists, develops and produces systems that are matched to each other for windows and doors, curtain walls, roller shutters, roller doors and sun protection. heroal systems are setting standards in innovation and quality.

The heroal portfolio stands for engineering work "Made in Germany" with top system characteristics and is systematically oriented to customer requirements - from the development at highly specialized production locations through to it´s application. The guiding principle of the company is the systematic linkage of cost efficiency and ecology in all areas of business. The company uses recycled aluminium as well as renewable resources in the "green" insulation strips. heroal operates a combined heat and power plant and meets high standards in its fleet of vehicles. The system-solutions ensure efficiency from the planning stage, through production and all the way to use in buildings. A medium-sized company with a long tradition, heroal is the employer for 800 employees.

heroal Corporate Movie

Form of Enterprise
heroal – Johann Henkenjohann GmbH & Co. KG

Dr Max Schöne, Jürgen Peitz, Dr. Ramon Knollmann

ca. 800

heroal products are sold to more than 3.500 customers worldwide.

System Portfolio
The portfolio encompasses the product categories:

  • Roller shutter and roller door systems
  • Sun protection systems
  • Window and door systems
  • Curtain wall systems

heroal is the world market leader for aluminium roller shutter slats.

Production Locations

  • Plant I in Verl (production, administration, testing centre)
  • Plant II in Hövelhof (production, packaging, storage, surface finishing)
  • Plant III in Hövelhof (logistics and model house)


  • Dekra Certification, Stuttgart: ISO 9001:2015 for the areas "Development, Production, Coating and Sales" as well as "Distribution and Logistics."
  • Metall-Zert, Essen: Certificate ref. to the factory-owned production control for load-bearing building parts and construction sets for steel structures up to EXC2 acc. to EN 1090-2
  • Institut für Fenstertechnik (ift) [Institute for Window Technology], Rosenheim: System provider impact resistant building elements, windows and doors
  • Institut für Fenstertechnik (ift) [Institute for Window Technology], Rosenheim: Serviceability of building elements, soundproofing and fire protection
  • Institut für Fenstertechnik (ift) [Institute for Window Technology], Rosenheim: ift-certified specialist for the calculation of heat transfer coefficients
  • Institut für Fenstertechnik (ift) [Institute for Window Technology], Rosenheim: Thermally insulated metal plastic composite profiles for windows and external doors
  • Institut für Fenstertechnik (ift) [Institute for Window Technology], Rosenheim and PIV, Velbert: Cooperation agreements to carry out external tests on heroal test stands
  • Qualicoat, Zurich: surface finishing
  • Seal of Quality of the “Gütesiegel der Qualitätsgemeinschaft für die Stückbeschichtung von Bauteilen“ (GSB International e.V.) [Quality Association for Coated Building Materials], Düsseldorf: official GSB Premium surface finisher
  • Aluminium and Environment in widows and façade construction (A/U/F), Frankfurt: Sustainability and Responsibility in Ecology and Economy
  • Materialprüfungsanstalt (MPA) [Federal Institute for Materials Research and Testing] for the construction industry, Braunschweig, MPA North-Rhine Westphalia, Dortmund as well as Holzforschung [Wood Research] Austria: fire and smoke protection
  • Institut für geprüfte Sicherheit [Institute for Tested Safety] (IGS) eGen, Linz: Hail protection roller shutters and shutter systems
  • Minergie-Standard: rational use of energy and broad use of renewable energies
  • Certificate of the des Bundesverbands Rollladen + Sonnenschutz e.V. "RSQ-Seal“: "Burglary resistant roller shutters + sun protection“ for heroal Safe light

Your advantages through heroal certifications

Reinforcement of high quality standards

Use heroal certifications in your daily communication to boost the high quality standard of your production and your products. In addition, certifications serve as certificates of conformity for non-regulated construction products and techniques.

Improved communication with customers and marketing

Certificates create trust with your customers and may positively influence their buying decisions. You can use a number of the certificates and quality seals achieved by heroal and also the awards presented to heroal for your marketing activities and daily communication with your customers.

Competitive differentiation

Stand out from the competition and benefit from certificates and quality seals which other companies in the market cannot use in their communication with customers.

Creating trust – fast, easily

Achieving a certification may take quite some time sometimes. As one of heroal’s specialist partners, you can use a lot of the certifications and quality seals achieved by heroal or join an existing certification with no additional effort.

Joining certifications

For example, as a heroal system taker, you can join the ift certification for warp-reducing components and benefit not only from marking your products with the „ift-certified“ label, but also from heroal training options and assembly instructions.