Custom-made windows in wood and wood-aluminium, entrance doors, awnings and sun protection from Sulz am Neckar.
Grathwol Fensterbau
Sulz am NeckarNew on Amplifa
About Grathwol Fensterbau
Grathwol Fensterbau is a window manufacturer from Sulz am Neckar between the Black Forest and the Swabian Alb. Founded in 1951, the company manufactures wood and wood-aluminium windows, including heritage windows with slim meeting-stile profiles, narrow muntins and routed weather sills without aluminium parts on the exterior. The windows are equipped with triple glazing, two sealing levels for sound insulation and tightness, and integrated sun protection. The service portfolio also includes custom-made, thermally insulated entrance doors, awnings and sun protection systems, roller shutters, insect screens for windows and doors, and burglar resistance. In addition to new production, Grathwol offers consultation, repair, window renovation in old buildings and professional on-site installation at the customer. Production facilities and a showroom are available at the Sulz am Neckar site.
- Site
- Sulz am Neckar
- Processes
- Window manufacturing in wood (custom-made), Wood-aluminium window manufacturing, Heritage window manufacturing (meeting-stile profiles, narrow muntins, routed weather sills), Triple glazing of windows, Entrance door manufacturing (custom-made, thermally insulated), Awning/sun protection manufacturing, Insect screens for windows and doors, Roller shutters/shading systems (incl. roller shutters mentioned for renovations)
- Materials
- Wood, Aluminium, Glass (triple glazing), Wood-aluminium, Triple glazing
- Certificates
- In-house production and installation
- Founded
- 1951
- Industries
- Window manufacturing, Old building renovation, Heritage conservation, Residential construction, Wood windows, Wood-aluminium windows
- 01
Consultation
- 02
Custom manufacture in in-house production
- 03
Triple glazing
- 04
On-site installation at the customer
- 05
Repair and service
Materials and Production
Wood
Sustainable material for windows, heritage windows and entrance doors with a healthy indoor climate.
Wood-aluminium
Combination for windows with a historical look and weather-resistant outer shell.
Triple glazing
Glazing for maximum energy efficiency and sound insulation.
Locations
Sulz am Neckar
DEFacility with production and showroom
- Materials
- Wood, aluminium, glass
Components
Inside the production
Industries
Processes & technical limits
| Processes | Tolerance | Max. part | Weight | Lot size | Materials |
|---|---|---|---|---|---|
| Window manufacturing in wood (custom-made)Plastics | – | – | – | – | Wood |
| Wood-aluminium window manufacturingPlastics | – | – | – | – | Wood, Aluminium |
| Heritage window manufacturing (meeting-stile profiles, narrow muntins, routed weather sills)Plastics | – | – | – | – | Wood |
| Triple glazing of windowsAssembly | – | – | – | – | Glass |
| Entrance door manufacturing (custom-made, thermally insulated)Plastics | – | – | – | – | Wood |
| Awning/sun protection manufacturingAssembly | – | – | – | – | – |
| Insect screens for windows and doorsAssembly | – | – | – | – | – |
| Roller shutters/shading systems (incl. roller shutters mentioned for renovations)Assembly | – | – | – | – | – |
| On-site installation at the customer (professional installation)Assembly | – | – | – | – | – |
| RepairAssembly | – | – | – | – | – |
| Burglar resistanceAssembly | – | – | – | – | – |
| Consultation/showroomEngineering | – | – | – | – | – |
Additional services
Reference customers
Quality
The team lives up to a high standard of quality both in production and in professional on-site installation at the customer; the windows feature two sealing levels for sound insulation and tightness.
| Evidence | Sulz am Neckar |
|---|---|
| In-house production and installation |
History
- 1951
Foundation of the company; more than 70 years of activity in window manufacturing.