Manufacture of windows, entrance doors and sun protection systems made of plastic and aluminium in our own production
Streif Fensterbau GmbH
Kenzingen · Oberkirch-ZusenhofenNew on Amplifa
About Streif Fensterbau
Streif Fensterbau GmbH was founded on 1 April 1997 by Hubert Streif and is a family-run window construction company based in Kenzingen in the southern Baden region near Freiburg. In its own production facilities, the company manufactures plastic windows based on Kömmerling profiles (partly made of 100 % recycled PVC, ReFrame), aluminium windows, entrance doors made of plastic and aluminium, lift-and-slide door systems, roller shutters, awnings, external venetian blinds, insect screens and patio roofing. Since 2017, aluminium products have been manufactured using CNC production technology. The range of services covers the entire value chain from a single source: consultation, detailed planning including drawings for architects, manufacturing, delivery, installation, repair, maintenance, dismantling and disposal, as well as construction management. The company employs around 20 staff and is active in the southern Baden region between Achern (Ortenau) and Müllheim (Markgräflerland). Its customers are private building owners, commercial customers, architects and specialist planners in new builds and renovations.
- Site
- Kenzingen
- Processes
- Manufacture of plastic windows (Kömmerling), Manufacture of aluminium windows, Aluminium entrance door manufacturing, Entrance doors made of plastic (door systems 72 Sakura, 92 Kloeda), Lift-and-slide door systems (76 Morgana), Lift-and-slide door systems (88 Klimara), Parallel slide-and-tilt doors, Installation of windows, doors, sun protection, insect screens, conservatories, garage doors
- Materials
- Plastic (PVC), Aluminium, Safety glass, Steel (steel reinforcement), Fibreglass fabric, Textile fabric (awnings), WPC (bottom rail), Plastic (PVC, Kömmerling)
- Certificates
- In-house production with quality control, RC 2 (WK 2) burglar resistance
- Founded
- 1997
- Employees
- 20
- Industries
- Private construction (single-family houses), New builds, Refurbishment/renovation, Commercial customers, Architects and specialist planners
- 01
Consultation and site survey
- 02
Planning and detailed drawings
- 03
In-house manufacturing (plastics construction, aluminium construction, custom
- 04
Delivery
- 05
Installation by own fitters
- 06
Repair and maintenance service
Materials and Processes
Plastic (PVC, Kömmerling)
Window and door profiles from Kömmerling, partly made of 100 % recycled material (ReFrame) with proCoverTec surface.
Aluminium
Aluminium windows, entrance doors, external venetian blinds and patio roofing, manufactured with CNC production technology.
Safety glass
Weather-resistant glazing for patio roofing and thermal insulation glazing for windows.
Steel (steel reinforcement)
Maximum-dimensioned steel reinforcement in 5- and 6-chamber entrance door constructions for higher structural strength.
Fibreglass fabric
Tear-resistant fabric for insect screen and pollen protection systems.
Locations
Kenzingen
DECompany headquarters: production, showroom, administration
- Materials
- Plastic (PVC), aluminium, glass
- CNC production technology for aluminium products
- modern machinery
Oberkirch-Zusenhofen
DEOffice
Products and Building Elements
Inside the production
Industries
Processes & technical limits
| Processes | Tolerance | Max. part | Weight | Lot size | Materials |
|---|---|---|---|---|---|
| Manufacture of plastic windows (Kömmerling)Plastics | – | – | – | – | Plastic (PVC, partly recycled) |
| Manufacture of aluminium windowsPlastics | – | – | – | – | Aluminium |
| Aluminium entrance door manufacturingPlastics | – | 2400 mm × 1200 mm × 2400 mm | – | – | Aluminium |
| Entrance doors made of plastic (door systems 72 Sakura, 92 Kloeda)Plastics | – | 2400 mm × 1200 mm (mullion leaf 1000 mm) × 2400 mm | – | – | Plastic (PVC) |
| Lift-and-slide door systems (76 Morgana)Plastics | – | 6500 mm × 6500 mm (width) × 2600 mm | – | – | Plastic (PVC), aluminium (front cladding) |
| Lift-and-slide door systems (88 Klimara)Plastics | – | 2900 mm | – | – | Plastic (PVC), aluminium (front cladding) |
| Parallel slide-and-tilt doorsPlastics | – | – | – | – | Plastic, aluminium |
| Installation of windows, doors, sun protection, insect screens, conservatories, garage doorsAssembly | – | – | – | – | Plastic, Aluminium |
| Roller shutters (top-mounted roller shutters)Plastics | – | – | – | – | Plastic, Aluminium |
| Awnings (articulated-arm and cassette awnings)Plastics | – | – | – | – | Textile fabric, Aluminium |
| External venetian blindsPlastics | – | – | – | – | Aluminium |
| Venetian blindsPlastics | – | – | – | – | Aluminium |
| Window shutters (folding shutters)Plastics | – | – | – | – | Aluminium |
| Insect screens (stretch frames, hinged frames, sliding frames, roller blinds, pleated blinds)Plastics | – | – | – | – | Aluminium (frames), Fibreglass fabric |
| Patio roofing (terrace roofs)Plastics | – | – | – | – | Aluminium, Safety glass |
| Roof windows (including replacement service)Plastics | – | – | – | – | Plastic |
| Consultation, planning and detailed drawingsEngineering | – | – | – | – | – |
| Repair, maintenance and servicing of windows, doors and sun protectionAssembly | – | – | – | – | – |
| Construction management / coordination of tradesAssembly | – | – | – | – | – |
| Dismantling and disposal of old windows/elementsAssembly | – | – | – | – | – |
1 Anlagen & Maschinen
| Machine | Manufacturer / model | Quantity | Working area | Year built | Site |
|---|---|---|---|---|---|
| CNC production technology for aluminium products | – | – | – | – | Kenzingen |
Additional services
Quality
The entire production takes place in-house in Kenzingen with full quality control across all process steps; products are manufactured and installed in tested quality in accordance with applicable standards. Entrance doors are available with burglar resistance up to resistance class RC 2 (WK 2).
| Evidence | Kenzingen |
|---|---|
| In-house production with quality control | |
| RC 2 (WK 2) burglar resistance |
Company History
- 1997
Founded on 01.04.1997 by Hubert Streif; initially offering plastic windows, entrance doors, insect screens, sun protection, conservatories and garage doors.
- 2012
Move in April 2012 to the new company building in Kenzingen, Salzmatten 10.
- 2017
In November 2017, the product range was extended to aluminium products, manufactured with modern CNC production technology.