Overtec GmbH

Overtec GmbH is an Austrian manufacturer of prefabricated building components, best known for its Attika flat-roof parapet systems, balcony railings and parapet cladding (Brüstung). The company was founded in 1978 and spent its first two decades focused on the insulation materials trade. Around 2000 it brought a prefabricated shaft element to market, a product that remains in high demand. A good decade later, Sebastian Hilscher joined the business and has since led it, expanding the product range toward roof-edge and balcony systems. The company operates from three locations: production and an office in Attnang-Puchheim, another office in Vienna, and a sales location in North Rhine-Westphalia, Germany. This structure supports both the Austrian home market and German customers, with a sales approach built on personal proximity and a digitally connected back office. Overtec positions itself as a partner that sets new standards in flat-roof Attika, balcony railings and parapet cladding. Its stated priorities are close customer contact, responsiveness to customer challenges, and continuous development of its prefabricated component range. The company remains privately held and active.

Overtec GmbH was founded in 1978. For its first two decades, the business focused on the insulation materials trade (Dämmstoffhandel). Around 2000, the founder's son — Sebastian Hilscher's father — brought a prefabricated shaft element to market; this product continues to enjoy high demand. A good decade later, Sebastian Hilscher joined Overtec. Under his leadership the company expanded its focus toward prefabricated components for building exteriors, including the Attika flat-roof parapet, balcony railings and parapet cladding. The company grew steadily, supported by close customer relationships, and now operates from three locations: production and an office in Attnang-Puchheim, an office in Vienna, and a sales location in North Rhine-Westphalia, Germany. Its back office is digitally networked across these sites.

• 2000

  A prefabricated shaft element is brought to market, a product that remains in high demand.

• 1978

  Overtec GmbH is founded; the business focuses on the insulation materials trade for its first two decades.

• Sebastian Hilscher joins Overtec about a decade after the shaft element launch and later leads the company.

Prefabricated building-component specialist focused on flat-roof Attika, balcony railings and parapet cladding, emphasizing close customer relationships and setting new standards.

• Attika flat-roof parapet systems

  Prefabricated parapet systems for flat roofs.

• Balcony railings

  Prefabricated balcony railing components.

• Parapet cladding (Brüstung)

  Parapet cladding and sight parapet (Sichtbrüstung) solutions.

• Prefabricated shaft elements

  Prefabricated shaft element introduced around 2000 and still in high demand.

1. 1Attika, Brüstung, Balkongeländer - overtec Fertigbauteileovertec.com
2. 2Overtec GmbHwikidata.org