
Glass and metal construction: facades, conservatories, glazing and aluminium windows from Vorarlberg

OK Glas GmbH
Dornbirn · AuNew on Amplifa
About OK Glas
OK Glas GmbH is a family-run glass and metal construction business based in Dornbirn, Vorarlberg. Founded in 1957 by Oswald Kothgaßner Sen., the company manufactures and installs glass facades (post-and-beam and scaled facades), balcony glazing and sliding systems, conservatories, roof glazing, as well as balustrades and railings. For interior applications, OK Glas offers all-glass installations, frameless glass showers, custom-made safety glass, and aluminium windows and doors. The materials used are glass and aluminium; projects are implemented from consultation through planning to professional installation. In addition to standard solutions, the company develops alternative solutions and technology from its own production. Its customers are private individuals and commercial enterprises in the construction sector, served by 24 employees at the headquarters in Dornbirn and at the branch office in Au.
- Site
- Dornbirn
- Processes
- Glass and metal construction for interior and exterior areas, Glass facades (post-and-beam facades, scaled facades), Balcony glazing and sliding systems, Conservatories, Roof glazing, Balustrades and railings, Aluminium windows and aluminium doors, Interior glazing (all-glass, frameless glass showers, custom-made safety glass)
- Materials
- Glass (all-glass, safety glass), Aluminium
- Founded
- 1957
- Employees
- 24
- Industries
- Construction, Glass and metal construction, Private customers, Commercial customers
- 01
Consultation
- 02
Planning
- 03
Glass and metal processing
- 04
Installation
Materials & Processes
Glass (all-glass, safety glass)
For glazing in interior and exterior areas, made to measure.
Aluminium
For facade constructions, aluminium windows and doors.
Locations
Dornbirn
ATHeadquarters / Workshop
- Materials
- Glass, Aluminium
Au
ATBranch office
Components






Inside the production







Industries
Processes & technical limits
| Processes | Tolerance | Max. part | Weight | Lot size | Materials |
|---|---|---|---|---|---|
| Glass and metal construction for interior and exterior areasMontage | – | – | – | – | Glass, Aluminium |
| Glass facades (post-and-beam facades, scaled facades)Montage | – | – | – | – | Glass, Aluminium |
| Balcony glazing and sliding systemsMontage | – | – | – | – | Glass |
| ConservatoriesMontage | – | – | – | – | Glass, Aluminium |
| Roof glazingMontage | – | – | – | – | Glass |
| Balustrades and railingsMontage | – | – | – | – | Glass |
| Aluminium windows and aluminium doorsMontage | – | – | – | – | Aluminium |
| Interior glazing (all-glass, frameless glass showers, custom-made safety glass)Montage | – | – | – | – | Glass, Safety glass |
| Planning, consultation and renovation glass construction (engineering)Engineering | – | – | – | – | Glass |
| In-house production of alternative solutions and technology (glass processing)Engineering | – | – | – | – | Glass |
Additional services
History
- 1957
Founded as a small glazier's shop in Dornbirn by Oswald Kothgaßner Sen. (OK = Oswald Kothgaßner); ten employees in the first ten years.
- 1969
A fire leads to the decision to build a larger workshop hall.
- 1974
Registered as GesmbH & Co KG.
- 1977
Oswald Kothgaßner jun. joins the company.
- 1988
Oswald Kothgaßner jun. becomes a partner.
- 1999
Oswald Kothgaßner jun. becomes managing director.
- 2017
Daniel Kothgaßner becomes managing director of OK Glas GmbH.