
Manufacturer of technical insulation, thermal insulation, acoustic protection and fire protection elements made of plastic foam.
Kolb & Dieng GmbH
88299 Leutkirch im AllgäuNew on Amplifa
About Kolb & Dieng
Kolb & Dieng GmbH manufactures insulation, thermal insulation and acoustic protection elements in the form of cut parts, moulded parts and milled parts. The company works with plastic foam materials such as flexible foam, Microlen foam, Styrodur, Styropor, Basotect melamine, Phonotherm, PU rigid foam as well as rock wool, Promatect and Fermacell. Processing is carried out as cut-to-size parts, moulded parts and milled parts with a manufacturing accuracy of 0.1 mm; some of the machines were specially designed for the company. Customers include well-known manufacturers in the caravan and automotive industry as well as companies from the chemical industry, mechanical engineering and the construction sector with applications in facade construction, conservatory construction and carpentry. The offering also includes thermal break insulation for fire protection, pipe and container insulation as well as custom-made products. The site is located in Leutkirch im Allgäu; the company operates internationally.
- Site
- Leutkirch im Allgäu
- Processes
- Cut parts and moulded parts of all kinds, Milling / milled parts, Insulation, thermal insulation and acoustic protection elements (pipe and container insulation), Pipe shells and bends, container segments, Fire protection (thermal break insulation, cut parts + moulded parts), Custom-made products, Cut parts, moulded parts and milled parts of all kinds, custom-made products
- Materials
- Flexible foam single-sided coated/self-adhesive, Microlen foam, Styrodur, Styropor, Basotect melamine, Phonotherm, PE, PVC
- Founded
- 1992
- Employees
- 18
- Industries
- Caravan and automotive industry, Chemical industry, Construction sector (facade construction, conservatory construction, carpentry), Mechanical engineering
- 01
Consulting and project planning
- 02
Cutting and moulded part production
- 03
Milling processes
- 04
Manufacture of pipe and container insulation
- 05
Fire protection and acoustic protection elements
- 06
Custom manufacture and delivery
Locations

Leutkirch im Allgäu
DEProduction and Administration
- Materials
- Flexible foam, Microlen foam, Styrodur, Styropor, Basotect, Phonotherm, PU rigid foam, PE, PVC, PA, integral foam
- Cutting machines
- Milling machines
- some machines specially designed in-house
Components









Inside the production










Industries
Processes & technical limits
| Processes | Tolerance | Max. part | Weight | Lot size | Materials |
|---|---|---|---|---|---|
| Cut parts and moulded parts of all kindsPlastics | 0.1 mm | – | – | – | Phonotherm, Styropor, Rock wool, Promatect, Fermacell |
| Milling / milled partsMachining | 0.1 mm | – | – | – | Phonotherm, Styropor, Basotect, Flexible foam, Plastic products |
| Insulation, thermal insulation and acoustic protection elements (pipe and container insulation)Plastics | 0.1 mm | – | – | – | Flexible foam, Microlen foam, Styrodur, Styropor, Basotect, PU rigid foam, Rock wool |
| Pipe shells and bends, container segmentsPlastics | – | – | – | – | Styropor PS 20 / PS30 / Neopor, Rock wool |
| Fire protection (thermal break insulation, cut parts + moulded parts)Plastics | – | – | – | – | Promatect, Fermacell |
| Custom-made productsPlastics | – | – | – | – | – |
Additional services
Reference customers
History
- 1992
Founded by Robert Kolb in a wooden shed in the Allgäu.
- 1996
Purchase of a production hall with office space (400 m² in total) in Friesenhofen.
Current facility in Leutkirch: production hall of approx. 2,000 m² on a site of approx. 5,000 m², 18 employees.