
Recycling of old PVC windows and roller shutters into regranulates, ground materials and fine ground materials

Dekura GmbH
Höxter · Bad SchmiedebergNew on Amplifa
About Dekura
Dekura GmbH, headquartered in Höxter, specialises in the recycling of rigid PVC. From old PVC windows, roller shutters and production waste from the plastics processing industry, the company produces high-quality recyclates in multi-stage production processes. The value chain includes sorting, shredding, washing, drying, mechanical cleaning, electrostatic separation and extrusion with melt filtration through 200-µm or 200/1000-µm screens. The product range includes rigid PVC regranulates (anthracite, white, coloured), ground materials and screened fine ground materials made from window PVC as well as contract processing of customer material. Customers come mainly from the window industry and the plastics processing industry; partners include Rüschen, Windor, BMS Schorr and Rewindo GmbH. Around 120 employees work in total at two sites in Höxter and Bad Schmiedeberg.
- Site
- Höxter
- Processes
- PVC window/roller shutter recycling (recycling process), Sorting, Shredding, Washing, Drying, Extrusion, Melt filtration (200 µ / 200/1000 µ screen), Grinding / fine grinding (ground materials, fine ground materials, screening)
- Materials
- PVC, PVC windows, PVC roller shutters, Rigid PVC regranulate anthracite, Rigid PVC regranulate white, Rigid PVC regranulate coloured, Rigid PVC ground material coloured, Rigid PVC fine ground material (screened)
- Certificates
- DIN EN ISO 9001:2015, DIN EN ISO 50001:2018, Certified Waste Management Company, VinylPlus Membership, Recovinyl Membership, RecyClass Recycling Process Certificate, Rewindo Recycling Partner Class 1, ISO 9001, ISO 50001
- Employees
- around 120
- Industries
- Plastics recycling, Window industry, Plastics processing industry
- 01
Acceptance and sorting of old PVC windows, roller shutters and production waste
- 02
Shredding
- 03
Washing
- 04
Mechanical cleaning
- 05
Electrostatic separation
- 06
Drying
- 07
Extrusion with melt filtration (200 µ / 200/1000 µ)
- 08
Grinding / fine grinding and screening
- 09
Contract processing or delivery of the recyclates
Materials & Processes
Rigid PVC (window PVC)
Input material from old windows, roller shutters, offcuts and production waste for regranulates, ground materials and fine ground materials.
Rigid PVC regranulate anthracite/white/coloured
Melt-filtered regranulate (200 µ or 200/1000 µ screen) made from window PVC in various colours.
Rigid PVC ground material / fine ground material
Ground and screened material made from window PVC, among other things as mixed system feedstock.
Sites

Höxter
DEHeadquarters / recycling plant
- Materials
- Rigid PVC
- Recycling process systems (sorting, shredding, washing, drying, extrusion, mechanical cleaning, electrostatic separation)
- Screening system (200 µ / 1000 µ melt filtration)

Bad Schmiedeberg
DESite
- Materials
- Rigid PVC
- Recycling process systems (sorting, shredding, washing, drying, extrusion, mechanical cleaning, electrostatic separation)
Products





Inside the production




Industries
Processes & technical limits
| Processes | Tolerance | Max. part | Weight | Lot size | Materials |
|---|---|---|---|---|---|
| PVC window/roller shutter recycling (recycling process)Plastics | – | – | – | – | PVC windows, PVC roller shutters, PVC offcuts, Production waste |
| SortingPlastics | – | – | – | – | PVC profiles, PVC old windows, PVC roller shutters |
| ShreddingPlastics | – | – | – | – | PVC |
| WashingPlastics | – | – | – | – | PVC |
| DryingPlastics | – | – | – | – | PVC |
| ExtrusionPlastics | – | – | – | – | PVC |
| Melt filtration (200 µ / 200/1000 µ screen)Plastics | – | – | – | – | Rigid PVC regranulate |
| Grinding / fine grinding (ground materials, fine ground materials, screening)Plastics | – | – | – | – | Rigid PVC, window PVC |
| Mechanical cleaningPlastics | – | – | – | – | PVC |
| Electrostatic separationPlastics | – | – | – | – | PVC |
| Contract processing of customer materialPlastics | – | – | – | – | PVC, customer-specific materials |
2 Anlagen & Maschinen
| Machine | Manufacturer / model | Quantity | Working area | Year built | Site |
|---|---|---|---|---|---|
| Recycling process systems (sorting, shredding, washing, drying, extrusion, mechanical cleaning, | – | – | – | – | Höxter, Bad Schmiedeberg |
| Screening system (200 µ / 1000 µ melt filtration) | – | – | – | – | Höxter |
Additional services
Reference customers
Quality & Certifications
Certifications under the Certified Waste Management Company Ordinance as well as quality and energy management according to DIN EN ISO 9001:2015 and DIN EN ISO 50001:2018 document process reliability and product standards. RecyClass, VinylPlus/Recovinyl and Rewindo certifications complement the documentation along the recycling chain.
| Evidence | Höxter | Bad Schmiedeberg |
|---|---|---|
| ISO 9001 | ||
| ISO 50001 | ||
| Certified Waste Management Company | ||
| RecyClass Recycling Process Certificate | ||
| Rewindo Recycling Partner Class 1 |
History
- 2024
10 years of partnership with Rüschen GmbH & Co. KG: during this period, 25,456 t of old PVC windows were recycled, corresponding to a CO₂ saving of around 43,513 t.
- 2024
Issuance of the initial RecyClass certificate on 16.11.2024.
- 2025
Certification as Recycling Partner Class 1 by Rewindo GmbH.