Overtec
Manufacturer of prefabricated wood-cement composite building elements (attic parapets, railings, shaft/vent elements) for flat-roof construction, using proprietary ETA-certified OneBit screw fastening system; official site shows no current 3D printing/additive manufacturing offering.
- CEO / Founder
- Sebastian Hilscher
- Team Size
- 11-50
- Stage
- Active
- Total Funding
- $109K
- Latest Round
- Venture Round
- Key Investors
- Frank Stronach
Technology & Products
Key Products
Wood-cement composite Attika (attic parapet) elements; balustrade/railing walls; roof vent and shaft elements; OneBit ETA-certified (ETA 22/0221) screw fastening system; CORD (A2) and FOLT (B1) fire-resistance grades
Technological Advantage
Proprietary OneBit screw fastening system with European Technical Assessment (ETA 22/0221) certification - sole approved wood-fiber composite parapet/railing system; EN 13986-compliant panel manufacturing; 45+ years construction industry relationships; Attnang-Puchheim facility
Differentiation
Value Proposition
Prefabricated wood-cement composite panels reduce on-site labor ('Handgriff minimal'); ~63-67% lower CO2 emissions vs conventional concrete parapets; frost/weather resistant; up to 35cm extra usable balcony depth; ETA-certified screw system; site-cuttable with standard tools
How They Differentiate
Vertically integrated manufacturing with heritage in concrete products; focus on architectural balustrades and custom shapes vs. structural building; established construction supply chain in Central Europe; 45-year operational history vs. newer competitors; multi-location presence (Austria + Germany)
Market & Competition
Target Customers
Architects, builders, construction companies in Austria and Germany; projects requiring custom concrete balustrades, parapets, privacy screens, and decorative architectural elements
Industry Verticals
Construction; Residential building; Commercial architecture; Facade systems; Urban design
Competitors
CONCR3DE (Austria/Europe, 3D concrete printing); Cazza Construction Technologies (Dubai, 3D concrete construction)
Growth & Milestones
Growth Metrics
Expanded to Germany with Munich location during 2020-2021 pandemic period (4 employees at Munich facility); family business founded 1978; revenue <$50M; operates production facility in Attnang-Puchheim, Austria with offices in Vienna and North Rhine-Westphalia, Germany
Major Milestones
1978: Company founded by Nikolaus Hilscher as construction material supplier; 2013: €100,000 strategic investment from Frank Stronach; 2017: Completed first 3D-printed concrete curves using proprietary 4 sq. meter heavy-duty 3D printer; 2019: Sebastian Hilscher took full ownership from father Nikolaus Hilscher; 2024+: Multi-location operations in Austria and Germany
Notable Customers
Timber Pioneer (Frankfurt am Main, Germany) — UBM Development/HOCHTIEF project, explicitly mentioned in official press release and LinkedIn