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Manufacturer of windows, entrance doors and plastic profiles made of wood, PVC and aluminium – entirely produced in-house.

ST

Stöckel GmbH

Vechtel · Ibbenbüren · OsnabrückNew on Amplifa

1957Founded
> 300Employees
5Sites
2.15 millionWindows and entrance doors since founding
55,000Customers and partners since founding

About Stöckel

Stöckel GmbH is a family-owned company from Vechtel (Lower Saxony) that has been manufacturing windows, entrance doors, patio elements, glass facades and plastic profiles since 1957. The product range includes windows and doors made of plastic (PVC), wood (oak, spruce, pine, larch, redwood) and aluminium as well as wood-aluminium combinations. The entire value chain is handled in-house at the Vechtel site: in-house PVC extrusion with a lead-free formulation and TPE co-extrusion, computer-controlled profile machining, wooden window manufacturing with mortise-and-tenon joinery, quadruple surface treatment on a flood and spray line, an aluminium fabrication unit, and fully automated insulated glass production from glass panes up to 19 m². Customers are end consumers, tradespeople and specialist firms from new construction, modernization and heritage conservation. With more than 300 employees at five sites, Stöckel has produced more than 2.15 million windows and entrance doors since its founding. Quality and installation are certified according to the RAL quality mark.

Site
Vechtel
Processes
Plastic window and entrance door manufacturing (cutting, machining, stabilization, welding,, Wooden window and entrance door manufacturing with millimetre-precise mortise-and-tenon joinery,, Surface treatment of wood (4-fold surface treatment on flood and spray line), Wood preservative treatment (flood/dip process with TEKNOL AQUA 1412-01), Aluminium window, entrance door and post-and-beam facade manufacturing (aluminium fabrication unit), Extrusion of in-house PVC formulations (profiles for windows, doors, construction profiles),, Co-extrusion (TPE on extruder for glass beads and roller shutter guides), Insulated glass production (cutting of 19 m² glass panes, washing, assembly, sealing,
Materials
Wood, Oak, Spruce, Pine, Larch, Redwood, Plastic (PVC), Aluminium
Certificates
RAL quality mark for windows incl. installation
Founded
1957
Employees
> 300
Industries
Window construction, Entrance door construction, Construction windows/facades, Building and living environment, Heritage conservation/renovation
  1. 01

    Consulting and planning

  2. 02

    PVC extrusion of in-house formulations (incl. TPE co-extrusion)

  3. 03

    Profile cutting and computer-controlled machining

  4. 04

    Stabilization with steel, welding

  5. 05

    Wood processing (mortise and tenon, surface treatment)

  6. 06

    Aluminium fabrication

  7. 07

    Insulated glass production

  8. 08

    Use of seals, hardware and glass

  9. 09

    Delivery with own vehicle fleet

  10. 10

    Installation, customer service, maintenance

Materials & Processes

PVC

Plastic (PVC)

In-house, lead- and plasticizer-free formulation for window, door and construction profiles, free of harmful substances and recyclable.

HOLZ

Wood (oak, spruce, pine, larch, redwood)

Renewable raw material with quadruple surface treatment and wood preservative treatment (TEKNOL AQUA 1412-01).

ALU

Aluminium

For long-lasting, slender windows, entrance doors and post-and-beam facades in large dimensions.

ST

Steel (reinforcement core)

Stabilizes plastic profiles for high stability.

TPE

TPE

Co-extrusion for glass beads and roller shutter guides.

GLAS

Glass (insulated glass)

Fully automated production of insulated glass panes for triple-glazed thermal insulation.

Sites

Vechtel

DE

Headquarters, production, Stöckel Center (showroom 1,500 m²)

Lot size
Single-unit production to large orders
Materials
PVC, wood, aluminium, glass, steel, TPE
  • 2 computer-controlled machining systems for plastic profiles
  • Extrusion line for PVC profiles
  • Co-extruder with TPE
  • Flood and spray line for wood surfaces
  • Fully automated insulated glass production line

Ibbenbüren

DE

Stöckel Center (showroom in the NaturBauHaus)

Osnabrück

DE

Stöckel Center (showroom)

Industries

Window constructionEntrance door constructionConstruction windows/facadesBuilding and living environmentHeritage conservation/renovation

Processes & technical limits

ProcessesToleranceMax. partWeightLot sizeMaterials
Plastic window and entrance door manufacturing (cutting, machining, stabilization, welding,Plastics–––Single-unit production – Large orderPVC, Steel (reinforcement)
Wooden window and entrance door manufacturing with millimetre-precise mortise-and-tenon joinery,Joining––––Wood, Oak, Spruce, Pine, Larch, Redwood
Surface treatment of wood (4-fold surface treatment on flood and spray line)Surface––––Wood
Wood preservative treatment (flood/dip process with TEKNOL AQUA 1412-01)Surface––––Wood
Aluminium window, entrance door and post-and-beam facade manufacturing (aluminium fabrication unit)Joining––––Aluminium, Wood-aluminium, Glass
Extrusion of in-house PVC formulations (profiles for windows, doors, construction profiles),Plastics––––PVC, TPE
Co-extrusion (TPE on extruder for glass beads and roller shutter guides)Plastics––––TPE, PVC
Insulated glass production (cutting of 19 m² glass panes, washing, assembly, sealing,Assembly––––Glass
Installation of windows, entrance doors and facades incl. removal and new installation (windowAssembly–––––
Consulting, planning and project management for window and door projectsEngineering–––––
Customer service: maintenance, repair, adjustments, spare partsAssembly–––––
Testing: air permeability, driving rain tightness, impact resistance, system testing (RALTesting––––Wood, PVC, Aluminium

5 Anlagen & Maschinen

MachineManufacturer / modelQuantityWorking areaYear builtSite
Computer-controlled machining system for plastic profiles (cutting, drainage,–2––Vechtel
Flood and spray line for wood surfaces––––Vechtel
Extrusion line for PVC profiles––––Vechtel
Co-extruder with TPE––––Vechtel
Fully automated insulated glass production line––––Vechtel

Additional services

ConsultingPlanningIn-house production (plastic, wood, aluminium)Extrusion of in-house PVC profilesInsulated glass productionInstallation (removal and new installation)Delivery with own vehicle fleetCustomer service/repair/maintenanceEntrance door configuratorSmart-home solutions (SmartDoor)

Quality

Stöckel holds the RAL quality mark for windows including installation. Quality assurance includes manufacturer's own inspections as well as independent testing by the Institute for Window Technology (IfT) in Rosenheim covering air permeability, driving rain tightness, impact resistance and complete system testing.

EvidenceVechtel
RAL quality mark for windows incl. installation

History

  1. 1957

    Günther Stöckel set up his own joinery in his parents' home in Vechtel.

  2. Mitte der

    Growth beyond the boundaries of Vechtel; established as an innovative driver for the window industry.

  3. 1974

    Development of the TwinStep plastic window system.

  4. Heute

    Over 300 employees at five sites, more than 2.15 million manufactured windows and entrance doors, and 55,000 customers and partners since founding.

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