
Sales, installation and service for doors of all kinds – from garage doors to industrial high-speed doors

CK-Tortechnik Ali Caliskan & Andreas Kühnemann GbR
Mainz (Mainz-Laubenheim)New on Amplifa
About us
CK-Tortechnik GbR is a sales and service company for doors of all kinds, founded in Mainz in 2000. Its range of services covers consulting, planning, sales and installation of sliding doors, sectional doors, roller shutters, high-speed doors and garage doors, as well as related services such as maintenance, repair and servicing of all manufacturers' products. In addition, the company carries out safety-related door inspections in accordance with BGR 232 and ASR A1.7 including closing force measurement, and retrofits existing systems with light curtains, light barriers, sensors and fall-protection devices. Andreas Kühnemann is certified by the TÜV SÜD Akademie as a competent person for fire doors and fire-rated doors as well as a specialist for hold-open systems. Orders are handled nationwide, with customers from industry, commerce and the private sector. The company sees itself primarily as a service provider with fast, high-quality execution in the service sector.
- Site
- Mainz
- Processes
- Installation of door systems (sliding doors, sectional doors, roller shutters, high-speed doors,, Maintenance of door systems, Repair/servicing of door systems of all manufacturers, Safety-related door inspection according to BGR 232 / ASR A1.7 incl. closing force measurement, Retrofitting of door systems (light curtains, light barriers, sensors, fall-protection devices), Consulting and planning for door systems, Inspection of fire doors/fire-rated doors and hold-open systems (competent person, TÜV SÜD), Consulting
- Materials
- Stainless steel
- Certificates
- Competent person for fire doors and fire-rated doors as well as specialist for, Competent person for fire doors/fire-rated doors and specialist for hold-open
- Founded
- 2000-08
- Industries
- Industry, Commercial operators of door systems, Private customers/homeowners
- 01
Consulting
- 02
Planning
- 03
Sales
- 04
Installation
- 05
Commissioning
- 06
Maintenance
- 07
Door inspection according to BGR 232 / ASR A1.7 incl. closing force measurement
- 08
Repair and retrofitting
Products and versions
Stainless steel
Version, among others, for high-speed doors with sloped roof covers as well as stainless steel inserts and glazing for sectional doors.
Location

Mainz
DEHeadquarters / sales and service company
- Materials
- Stainless steel
Door systems





Inside the production






Industries
Processes & technical limits
| Processes | Tolerance | Max. part | Weight | Lot size | Materials |
|---|---|---|---|---|---|
| Installation of door systems (sliding doors, sectional doors, roller shutters, high-speed doors,Assembly | – | – | – | – | Stainless steel |
| Maintenance of door systemsInspection | – | – | – | – | – |
| Repair/servicing of door systems of all manufacturersAssembly | – | – | – | – | – |
| Safety-related door inspection according to BGR 232 / ASR A1.7 incl. closing force measurementInspection | – | – | – | – | – |
| Retrofitting of door systems (light curtains, light barriers, sensors, fall-protection devices)Assembly | – | – | – | – | – |
| Consulting and planning for door systemsEngineering | – | – | – | – | – |
| Inspection of fire doors/fire-rated doors and hold-open systems (competent person, TÜV SÜD)Inspection | – | – | – | – | – |
Additional services
Qualifications and inspection
The safety-related door inspection in accordance with BGR 232 and ASR A1.7 is carried out by qualified inspectors including closing force measurement. Andreas Kühnemann is certified by the TÜV SÜD Akademie as a competent person for fire doors and fire-rated doors as well as a specialist for hold-open systems.
| Evidence | Mainz |
|---|---|
| Competent person for fire doors/fire-rated doors and specialist for hold-open |
History
- 2000
CK-Tortechnik GbR was founded in August 2000 by Ali Caliskan and Andreas Kühnemann as a sales and service company for doors of all kinds.
- 2015
Andreas Kühnemann completes further training as a competent person for fire doors and fire-rated doors as well as specialist for hold-open systems at the TÜV SÜD Akademie in Frankfurt am Main.