Manufacturer of fireclay chamotte for stove construction, chimney flues, moulded bricks and baking oven kits since 1856.
Wolfshöher Tonwerke GmbH & Co. KG
Neunkirchen am SandNew on Amplifa
About Wolfshöher Tonwerke
Wolfshöher Tonwerke GmbH & Co. KG in Neunkirchen am Sand near Nuremberg manufactures fireclay chamotte products for craft stove construction, ceramic chimney flue liners and moulded bricks for firebox inserts. As a family business in its sixth generation, the company is one of the oldest manufacturers of refractory products in Germany. The product range includes several chamotte qualities such as HBO+, WKS, HBW, HBW light, HBC, NERO as well as the dense chamottes HSM massiv and HST, supplemented by matched mortars and compounds. In addition, the company offers contract mixing and contract filling of powdery to granular mixtures as well as baking oven kits such as the FAM 70 pizza oven. Production takes place on custom special machines, including the tunnel kiln process, using domestic raw material from the Rollhofener Höhe. Customers include the stove and chimney building trades, firebox insert manufacturers and private customers.
- Site
- Neunkirchen am Sand
- Processes
- Manufacture of refractory chamotte products (stove chamotte), Manufacture of ceramic chimney flue liners, Manufacture of moulded bricks for firebox inserts, Contract mixing of powdery to granular mixtures, Contract filling of powdery to granular mixtures, Mixing & bagging (mortars & compounds), Manufacture of baking oven kits (FAM 70 pizza oven kit), Manufacture of storage stoves and heat storage units
- Materials
- Fireclay HBO+ (light red), Fireclay WKS (light yellow), Fireclay NERO (anthracite), Fireclay HBW, Fireclay HBW light, Fireclay HBC, Dense chamotte HSM massiv, Dense chamotte HST
- Founded
- 1856
- Employees
- ca. 100
- Industries
- Craft stove construction / stove and oven building trade, Chimney construction, Firebox insert manufacturers, Private customers (garden/pizza ovens), Firebox insert manufacturers (moulded bricks)
- 01
Raw material refractory clay (Rollhofener Höhe)
- 02
Processing and shaping
- 03
Drying and firing in the tunnel kiln
- 04
Quality control
- 05
Mixing and bagging (mortars & compounds)
- 06
Contract mixing and contract filling
- 07
Shipping to trades, retail and private customers
Chamotte qualities and materials
Fireclay HBO+ (light red)
Light red standard quality for solid fuels (wood and lignite) in all areas of a fireplace, application temperature 1,200 °C.
Fireclay WKS (light yellow)
Light yellow stove chamotte with very good mechanical properties, especially for fire-contact areas, 1,200 °C.
Fireclay NERO (anthracite)
Anthracite-coloured quality for the visible area of the combustion chamber, especially fireplace inserts, 1,000 °C.
Fireclay HBW
Stove chamotte with an elegant colour tone for visible surfaces and fire-contact areas, 1,200 °C.
Fireclay HBW light
Lighter stove chamotte for all areas of a fireplace with lower bulk density, 1,200 °C.
Fireclay HBC
Stove chamotte for wood with lower thermal expansion and an elegant look for visible areas, 1,200 °C.
Dense chamotte HSM massiv
Dense chamotte with high density and thermal conductivity for ceramic flues, outer shell and heat storage, 1,000 °C.
Dense chamotte HST
Dense chamotte with very high density and consistent thermal conductivity for heat storage applications, 600 °C.
Universal mortar HM white
Light adhesive mortar, technically matched to the chamotte qualities, among other things used in the FAM 70 baking oven kit.
Stainless steel (stand-alone door)
Optional stand-alone door with chamotte panel for thermal insulation on the FAM 70 baking oven kit.
Locations
Neunkirchen am Sand
DEProduction and company site
- Part weight / size
- FAM 70 dome approx. 160 kg (without door and mortar)
- Materials
- Chamotte (refractory clay), mortars and compounds
- Custom special machines (chamotte production)
- Tunnel kiln
Products and components
Inside the production
Industries
Processes & technical limits
| Processes | Tolerance | Max. part | Weight | Lot size | Materials |
|---|---|---|---|---|---|
| Manufacture of refractory chamotte products (stove chamotte)Casting | – | – | – | – | Chamotte (refractory clay) |
| Manufacture of ceramic chimney flue linersCasting | – | – | – | – | Chamotte (refractory clay) |
| Manufacture of moulded bricks for firebox insertsCasting | – | – | – | – | Chamotte (refractory clay) |
| Contract mixing of powdery to granular mixturesAssembly | – | – | – | – | Chamotte, mortar |
| Contract filling of powdery to granular mixturesAssembly | – | – | – | – | Chamotte, mortar |
| Mixing & bagging (mortars & compounds)Assembly | – | – | – | – | Mortar, compounds |
| Manufacture of baking oven kits (FAM 70 pizza oven kit)Assembly | – | 70 cm baking surface Ø | 160 kg (dome without door and mortar) | – | Chamotte (WKS), stainless steel (optional door) |
| Manufacture of storage stoves and heat storage unitsCasting | – | – | – | – | Dense chamotte (HSM massiv, HST) |
1 Anlagen & Maschinen
| Machine | Manufacturer / model | Quantity | Working area | Year built | Site |
|---|---|---|---|---|---|
| Custom special machines (chamotte production) | – | – | – | – | Neunkirchen am Sand |
Additional services
History
- 1856
Founder Lorenz Wolf discovered refractory clay on the Rollhofener Höhe and founded a chamotte production operation.
- 1878
The works passed to his son Georg Wolf; expansion into a modern industrial enterprise.
- 1911
The three sons Lorenz, Jakob and Georg Wolf were given a stake in the company following the founding of “Wolfshöher Tonwerke GmbH”.
- 1949
Hubert Wolf, the only survivor of the fourth generation, joined the company.
- 1960er
Georg Wolf joined as a representative of the fifth generation; both drove forward the modernisation of the works.
- 1988
Hubert Wolf handed over commercial management to Konrad Kügel.
- 2007
Georg Wolf handed over management to his daughter Ulrike Wolf; further investments in modernising production with custom special machines.
- 2017
Carolin Kügel and Axel Wolf took over management in January.
- 2025
Due to high demand, the company returned to its comprehensive full product range, including panel formats, flue system bricks and corner components.