Hemp-lime insulation applied by spraying, loam construction, plaster and heritage restoration from Düsseldorf
Erdwerk – Norbert Poll
DüsseldorfNew on Amplifa
About Erdwerk
Erdwerk by Norbert Poll is a specialist firm based in Düsseldorf focused on ecological building. In 2018 the company brought the hemp-lime spraying technique developed in France (Beton de Chambre / Hempcrete) to Germany for the first time and uses it for interior insulation, among other things on historic masonry and timber framing. In addition to hemp-lime insulation, the company offers loam construction, interior and exterior plastering, the infilling of timber framing with loam, and the restoration of old Cologne ceilings. The materials used are hemp shives (industrial hemp), lime, loam, sand as well as loam bricks and loam boards. Customers come from construction, heritage conservation and ecological building / building biology. The business is located at Kronprinzenstraße 113 in Düsseldorf; the work is carried out predominantly directly on the construction site.
- Site
- Düsseldorf
- Processes
- Hemp-lime spraying technique (Beton de Chambre / Hempcrete), Hemp-lime interior insulation (spray-applied, approx. 15 cm thick), Loam construction (loam-sand mixture, loam bricks, loam boards) in construction and heritage, Infilling timber framing with loam, Lime plaster indoors and outdoors, Restoration of old Cologne ceilings, Hemp-lime insulation (spraying technique), Loam construction
- Materials
- Hemp shives (industrial hemp), Lime, Loam, Sand, Loam bricks, Loam boards, Hemp-lime (hemp shives and lime)
- Certificates
- ISO 9001
- Industries
- Construction, Heritage conservation, Ecological building / Building biology
- 01
Project consulting on the construction site
- 02
Mixing the lime slurry in the mixer
- 03
Spraying technique / application on the construction site
- 04
Plastering work and surface finishing
Materials and Processes
Hemp-lime (hemp shives and lime)
Insulation material made of industrial hemp shives and sprayable lime slurry, e.g. for interior insulation of approx. 15 cm thickness.
Loam
As a loam-sand mixture, loam bricks and loam boards for construction, infill work and heritage conservation.
Lime
Lime slurry mixed to a sprayable consistency for insulation as well as lime plaster indoors and outdoors.
Sand
Component of the loam-sand mixtures for loam construction and plastering work.
Locations
Düsseldorf
DEOperation / Office
- Materials
- Hemp shives, lime, loam, sand
- Mixer (mixing lime slurry to a sprayable consistency)
Industries
Processes & technical limits
| Processes | Tolerance | Max. part | Weight | Lot size | Materials |
|---|---|---|---|---|---|
| Hemp-lime spraying technique (Beton de Chambre / Hempcrete)Surface | – | – | – | – | Hemp shives, Lime, Water |
| Hemp-lime interior insulation (spray-applied, approx. 15 cm thick)Surface | – | – | – | – | Hemp, Lime |
| Loam construction (loam-sand mixture, loam bricks, loam boards) in construction and heritageSurface | – | – | – | – | Loam, Sand |
| Infilling timber framing with loamSurface | – | – | – | – | Loam |
| Lime plaster indoors and outdoorsSurface | – | – | – | – | Lime |
| Restoration of old Cologne ceilingsAssembly | – | – | – | – | Loam |
1 Anlagen & Maschinen
| Machine | Manufacturer / model | Quantity | Working area | Year built | Site |
|---|---|---|---|---|---|
| Mixer (mixing lime slurry to a sprayable consistency) | – | – | – | – | Düsseldorf |
Additional services
Quality and Workmanship
The work is carried out on the construction site with specially mixed, sprayable lime slurry; surfaces are then finished, for example rounded off at reveals. No information on certifications is available.
| Evidence | Düsseldorf |
|---|---|
| ISO 9001 |
History
- 2018
Erdwerk brought the hemp-lime spraying technique (Beton de Chambre / Hempcrete) to Germany for the first time, from France.