Gretsch-Unitas test centre

Gretsch-Unitas test centre

Cost savings and legal certainty for fabricators: our harmonised system components are tested as integrated systems at the GU in-house testing centre. Request your customised solution.

Contact now
RC certification

RC certification

Expertise in burglar protection: our seminars authorise participants and license corresponding specialist companies (RC 1N, RC 2N, RC 2) to manufacture and distribute burglar-inhibiting window elements made of timber with GU group products.

Contact now
More information
TE drawings, installation drawing

TE drawings, installation drawing

Do you have questions about creating TE (door engineering) drawings?
If so we would be pleased to help.

Contact now
Door engineering

Door engineering

For cross-trade door management: we provide support with schematic door drawings, component lists and functional descriptions. Call us on: 02051 201 2000

Contact now
Hotline for architects

Hotline for architects

Do you need support with planning, or would like detailed information? Call us on: 02051 201 2000. Mon-Thurs 08:00–16:45 and Fri 08:00–13:30.

Contact now
Provision of samples

Provision of samples

Experience quality and functionality up close: the GU group organises the provision of samples for the project and can also present different variants and functions if required.

Contact now
Hardware data service and machine control

Hardware data service and machine control

Gretsch-Unitas provides you with individual hardware master data including commercial and technical details – based on the catalogues or according to the request.

Contact now
EDI interface

EDI interface

Optimise your processes, from ordering to invoicing: manage your orders with the GU group electronically using your materials management system.

Contact now
Installer partners

Installer partners

Gretsch-Unitas offers support with the GU service and partner company who can for example undertake the integration of elements in an access control system or in escape and rescue routes, or plan and implement a master key system or smoke and heat exhaust ventilation.

Contact now
GU Service hotline

GU Service hotline

Do you have any questions regarding our products and services? Do you need further information on our product divisions?
If so, simply get in touch via the 24-hour Service-Hotline: +49 (0) 180 5 242 111*

*= (€ 0.14/min. from German landline, mobile telephony max. € 0.42/min.)

MasterKeySystem (MKS)

MasterKeySystem (MKS)

User-friendly and efficient: the browser-based MasterKeySystem makes it easier to plan and order all aspects of master key systems.

Contact now
Login/Registration
Sample installation

Sample installation

For the smooth installation of window and door systems: get support for special solutions from our experts, with installation drawings, training courses and even on-site with a sample installation.

Contact now
Building project consulting

Building project consulting

We make your everyday work easier: our building project consultants support you throughout the process – from planning to tendering through to execution. Call us on the Architects Hotline: +49 2051 201-2000

Contact now
Order by Scanning (ObS)

Order by Scanning (ObS)

For lean logistics: create your order with the user-friendly scanner ordering system using special barcode labels.

Contact now
Planning of individual window solutions in the facade

Planning of individual window solutions in the facade

Specialised in every method of facade opening, Gretsch-Unitas combine standard elements from their established product range with project-specific components that are designed according to individual customer specifications.

Contact now
Technical field staff for specific products

Technical field staff for specific products

Specialist experts to support you on site with complex requirements and tasks.

Contact now