Glazier and glass construction in Cologne: glazing, glass facades, safety glass and 24-hour emergency service
Glas Grellmann GmbH
CologneNew on Amplifa
About Glas Grellmann
Glas Grellmann GmbH is an owner-managed master workshop based in Cologne, in operation since 1917. The company realizes glazing indoors and outdoors, including glass facades with thermal, solar, acoustic and insulating glass, overhead and vertical glazing as well as components with guarding function (TRAV). The range of services also includes custom-made glass showers, room dividers, shop window systems in aluminum, wood or plastic, doors and windows, glass canopies as well as safety glass with burglar, fire and smoke protection. Around the clock, the company offers a 24-hour emergency service for emergency glazing and glass repairs; insulating glass is repaired within five working days, single glazing within one day. Projects are planned according to customer designs or jointly with architects, structural engineers and designers, implemented with partners from metal construction and carpentry, and installed with an own vehicle fleet including crane trucks.
- Site
- Köln
- Processes
- Emergency glazing / glass repair (24h emergency service, insulating glass in 5 working days, single, Glass facade construction (thermal, solar, acoustic protection and insulating glass; overhead and, Custom glass showers (consultation, planning, site measurement, installation), Shop window systems (in cooperation with metal construction/carpentry), Doors & windows with glass, Glass canopies / glass roofing, Glass room dividers, Emergency glazing 24-hour emergency service
- Materials
- Safety glass (VSG - laminated safety glass), Safety glass (ESG - toughened safety glass), Insulating glass, Single glazing, Patterned glass, Fire protection glass, Aluminum, Wood
- Certificates
- Master workshop
- Founded
- 1917
- Industries
- Construction, Retail/gastronomy, Private customers/bathrooms, Retail/gastronomy (shop window systems, stores, restaurants)
- 01
Consultation and planning
- 02
Site measurement
- 03
Glass selection at leading manufacturers and processors
- 04
Custom manufacturing
- 05
Installation with own vehicle fleet incl. crane trucks
- 06
Emergency service and repair
Types of glass and materials
Laminated safety glass (VSG)
Safety glass for burglar protection, guarding glazing and overhead glazing.
Toughened safety glass (ESG)
Safety glass for all-glass applications such as glass showers and doors.
Insulating glass
Thermally and acoustically insulating glazing for windows, facades and glass repairs.
Single glazing
Glass for simple glazing and fast repairs within one day.
Fire protection glass
Glass with fire protection function for doors and safety applications.
Patterned glass
Decorative glass for design purposes.
Aluminum
Frames and constructions for shop window systems, doors and windows.
Wood
Material for shop window systems as well as door and window constructions.
Plastic
Material for shop window systems and window systems.
Location
Cologne
DEHeadquarters, sales, workshop
- Lot size
- Single custom-made items, individual repair orders
- Materials
- Glass, safety glass, insulating glass, aluminum, wood, plastic
- Special vehicles
- Crane trucks (own fleet)
Services and components
Inside the production
Industries
Processes & technical limits
| Processes | Tolerance | Max. part | Weight | Lot size | Materials |
|---|---|---|---|---|---|
| Emergency glazing / glass repair (24h emergency service, insulating glass in 5 working days, singleInstallation | – | – | – | – | Insulating glass, Single glazing, Safety glass |
| Glass facade construction (thermal, solar, acoustic protection and insulating glass; overhead andInstallation | – | – | – | – | Insulating glass, Safety glass |
| Custom glass showers (consultation, planning, site measurement, installation)Installation | millimeter-precise | – | – | – | Safety glass, All-glass |
| Shop window systems (in cooperation with metal construction/carpentry)Installation | – | – | – | – | Glass, Aluminum, Wood, Plastic |
| Doors & windows with glassInstallation | – | – | – | – | Glass, Aluminum, Wood, Plastic |
| Glass canopies / glass roofingInstallation | – | – | – | – | Glass |
| Glass room dividersInstallation | – | – | – | – | Glass |
1 Anlagen & Maschinen
| Machine | Manufacturer / model | Quantity | Working area | Year built | Site |
|---|---|---|---|---|---|
| Special vehicles / crane trucks (own fleet for glass installation) | – | – | – | – | Cologne |
Additional services
Quality and execution
The work complies with the latest building regulatory requirements, in particular for overhead and vertical glazing as well as components with guarding function (TRAV). Installation is carried out with millimeter-precise fit and a diverse fleet of special vehicles.
| Evidence | Cologne |
|---|---|
| Master workshop |
History
- 1917
Founding of Glas Grellmann; owner-managed master workshop to this day.