
Manufacture of tree protection systems, rainwater management and urban furniture made of aluminium, grey cast iron and steel
HUMBERG GmbH
Nottuln (headquarters, Zeppelinstraße 4) · Nottuln (2nd site tree protection)New on Amplifa
System solutions for urban greenery from Nottuln
HUMBERG GmbH, based in Nottuln in the Münsterland region, develops and manufactures system solutions for tree protection, rainwater management and urban furniture for urban spaces. The product range includes root bridges (Radix), underground systems (Quadro), planting pit systems (Arbex), tree grilles including laser grilles, trunk protection, tree retention trenches (ALVEUS), irrigation systems (SIPA), the mobile HUNO TANKBANK® as well as utility bollards, planters, bicycle racks and bollards. Production takes place entirely in Germany at the headquarters in Nottuln; the company has operated its own grey cast iron foundry since 1926 and has used aluminium casting since 1985, supplemented by laser cutting technology with nano-filter technology and sensor monitoring as well as powder coating of steel components in RAL or DB colours. The materials processed include aluminium, grey cast iron, steel, concrete, recycled plastic, hardwood and rice husk material. The company cooperates with universities and research institutions such as Münster University of Applied Sciences and the Federal Environment Agency, is a member of the FLL and offers architects individual product development, engineering, project planning and installation. In 2010, the ARBORIS product series received the reddot design award.
- Site
- Nottuln
- Processes
- Tree protection systems (root bridges, underground systems, tree grilles, trunk protection), Laser processing (laser technology, laser grilles), Grey cast iron foundry, Aluminium casting, Powder coating, Forge & machine factory (historical), Metal construction (apprenticeship in construction engineering), Installation of tree protection systems (installation of root bridges, underground systems)
- Materials
- Aluminium, Grey cast iron, Steel, Concrete, Recycled plastic, Hardwood, Rice husk material
- Founded
- 1882
- Industries
- Urban greenery / city greening, Landscaping, Architecture, Municipalities / cities and municipalities, Sponge city / rainwater management
- 01
Individual product development and engineering
- 02
Laser cutting
- 03
Casting (grey cast iron, aluminium casting)
- 04
Powder coating
- 05
On-site installation
Materials and processes
Aluminium
For tree grilles, laser grilles and aluminium casting surfaces of the HUNO TANKBANK® with many colour options.
Grey cast iron
For designer grilles and cast parts, manufactured in the company's own foundry established in 1926.
Steel
For utility bollards and constructions, powder-coated in RAL or DB colours.
Concrete
For foundations and elements of the underground systems.
Recycled plastic
For seating surfaces of the HUNO TANKBANK® as a sustainable version.
Hardwood
Untreated, solid hardwood for seating surfaces of the urban furniture.
Rice husk material
Durable material in various colours for seating profile surfaces.
Production sites

Nottuln (headquarters)
DEHeadquarters with production of tree protection systems, water management and urban furniture
- Lot size
- Small and small-batch production (utility bollards in small batches)
- Materials
- Aluminium, grey cast iron, steel, concrete
- Laser cutting system / laser technology
- Foundry system (grey cast iron)
- Powder coating with nano-filter technology and sensor monitoring
Nottuln (site 2)
DESecond site for the tree protection division (opened 2017)
Product groups



Inside the production





Industries
Processes & technical limits
| Processes | Tolerance | Max. part | Weight | Lot size | Materials |
|---|---|---|---|---|---|
| Tree protection systems (root bridges, underground systems, tree grilles, trunk protection)Engineering | – | – | – | – | Aluminium, Grey cast iron, Concrete |
| Laser processing (laser technology, laser grilles)Machining | – | – | – | – | Aluminium, Grey cast iron, Steel |
| Grey cast iron foundryCasting | – | – | – | – | Grey cast iron |
| Aluminium castingCasting | – | – | – | – | Aluminium |
| Powder coatingSurface | – | – | – | – | Steel |
| Forge & machine factory (historical)Forming | – | – | – | – | – |
| Metal construction (apprenticeship in construction engineering)Installation | – | – | – | – | – |
| Installation of tree protection systems (installation of root bridges, underground systems)Installation | – | – | – | – | – |
| Individual product development and engineeringEngineering | – | – | – | – | – |
2 Anlagen & Maschinen
| Machine | Manufacturer / model | Quantity | Working area | Year built | Site |
|---|---|---|---|---|---|
| Laser cutting system / laser technology | – | – | – | – | Nottuln (headquarters) |
| Foundry system (grey cast iron) | – | – | – | – | – |
Additional services
Reference customers
Company history
- 1882
Founded as a forge & machine factory
- 1926
Expansion to include a grey cast iron foundry
- 1968
Hanover Fair: exhibition of the first aluminium door leaf
- 1980
Product range expanded to include outdoor lighting
- 1985
Entry into high-quality tree protection systems
- 1993
Product range expanded to include tree protection systems
- 2010
reddot design award for the ARBORIS product series
- 2017
Opening of the second site for the tree protection division
- 2019
Development and product launch of the ALVEUS tree retention trench
- 2021
Development of the HUNO TANKBANK® series