Manufacturer of cement, ready-mixed concrete, precast elements, concrete products and dry construction materials as well as sand and gravel for the construction industry.
Südbayerisches Portland-Zementwerk Gebr. Wiesböck & Co. GmbH
Rohrdorf · Gmunden · Stockerau · Dollnstein · Spillern · Klosterneuburg · Nußdorf am InnNew on Amplifa
About Rohrdorfer
Rohrdorfer produces high-quality construction materials for regional demand at 160 sites in Germany, Austria, Italy, Hungary and Slovakia. The product range comprises cement, ready-mixed concrete, precast elements, concrete products, dry construction materials as well as sand and gravel. Further business areas include the production of concrete admixtures, pumping services as well as products and services in the field of environmental technology. The products are used, among other things, for the construction of buildings, transport routes, infrastructure as well as commercial and industrial facilities. Clinker production at the Rohrdorf parent plant exceeded one million tonnes in the 2018 financial year; the ready-mixed concrete division tests around 800,000 m³ of concrete annually as part of in-house production control. As an energy-intensive company in the construction materials industry, Rohrdorfer pursues a decarbonisation strategy, among other things with the first CO2 recovery plant in the German cement industry, commissioned in 2022.
- Site
- Rohrdorf
- Processes
- Cement production, Ready-mixed concrete production, Precast element production, Concrete product production, Dry construction materials production, Sand and gravel extraction, Production of concrete admixtures, Pumping services
- Materials
- Cement, Ready-mixed concrete, Precast elements, Concrete products, Dry construction materials, Sand, Gravel, Sand and gravel
- Certificates
- CSC (Concrete Sustainability Council)
- Employees
- 2.100
- Industries
- Construction industry (residential construction, transport routes,, Cement and concrete industry, Raw materials industry (sand/gravel), Precast construction, Dry construction
- 01
Extraction of sand and gravel / limestone (Überfilzen quarry since 1961)
- 02
Processing and washing (Stockerau gravel plant)
- 03
Clinker production (kiln systems, rotary kiln)
- 04
Cement grinding
- 05
Ready-mixed concrete, precast element and concrete product production
- 06
Dry construction materials production
- 07
Pumping service and delivery
Products and Processes
Cement
Binder for the most diverse applications in the construction industry, manufactured at the Rohrdorf and Hatschek cement plants.
Ready-mixed concrete
Concrete for residential construction, transport routes, infrastructure as well as commercial and industrial facilities.
Precast elements
Concrete precast elements from the RBW precast plant in Dollnstein, among other things with a new slab magazine.
Concrete products
Finished concrete products for regional demand.
Dry construction materials
Cement-based construction materials for dry construction.
Sand and gravel
Raw materials from the company's own gravel pits and quarries for supplying the ready-mixed concrete plants.
Sites
Rohrdorf
DECement plant (parent plant)
- Materials
- Cement, clinker
- Kiln system
- CO2 recovery plant
- Test plant for tempered clays
Gmunden
ATHatschek cement plant, modernised with €50 million investment
- Materials
- Cement
- Rotary kiln
- Cement production plant
- Waste heat utilisation for district heating network
Stockerau
ATGravel plant with gravel washing facility (from 2020)
- Materials
- Sand, gravel
- Gravel washing facility
- Gravel processing plant (100 % electric)
Dollnstein
DERBW precast plant
- Materials
- Concrete
- Slab magazine
Spillern
ATReady-mixed concrete plant
- Materials
- Ready-mixed concrete
Klosterneuburg
ATReady-mixed concrete plant
- Materials
- Ready-mixed concrete
Nußdorf am Inn
DEÜberfilzen quarry (since 1961)
- Materials
- Limestone
Industries
Processes & technical limits
| Processes | Tolerance | Max. part | Weight | Lot size | Materials |
|---|---|---|---|---|---|
| Cement productionCasting | – | – | – | – | Cement, Clinker |
| Ready-mixed concrete productionCasting | – | – | – | – | Concrete, Cement, Sand, Gravel |
| Precast element productionCasting | – | – | – | – | Concrete, Cement |
| Concrete product productionCasting | – | – | – | – | Concrete, Cement |
| Dry construction materials productionCasting | – | – | – | – | Cement, Sand, Gravel |
| Sand and gravel extractionCasting | – | – | – | – | Sand, Gravel |
8 Anlagen & Maschinen
| Machine | Manufacturer / model | Quantity | Working area | Year built | Site |
|---|---|---|---|---|---|
| Gravel washing facility | – | – | – | – | Stockerau |
| Gravel processing plant | – | – | – | – | Stockerau |
| Kiln system | – | – | – | – | Gmunden |
| Rotary kiln | – | – | – | – | Gmunden |
| Kiln system | – | – | – | – | Rohrdorf |
| Cement production plant | – | – | – | – | Gmunden |
| CO2 recovery plant | – | 1 | – | 2022 | Rohrdorf |
| Test plant for tempered clays | – | 1 | – | 2025 | Rohrdorf |
Additional services
Quality
As part of in-house production control, concrete samples are taken regularly and test cubes are examined for compressive strength. The test results are recorded and statistically evaluated in a company-wide, web-based laboratory database; recipes and material data can be retrieved by all plants.
| Evidence | Rohrdorf | Gmunden |
|---|---|---|
| CSC (Concrete Sustainability Council) |
History
- 1961
Commissioning of the Überfilzen quarry near Nußdorf am Inn by the Rohrdorf cement plant.
- 1980
Permit of amendment for extraction in the Überfilzen quarry up to 840 metres above sea level.
- 2018
The Rohrdorf cement plant produces over 1,000,000 tonnes of clinker in the financial year.
- 2019
Comprehensive plant modernisation of the Hatschek cement plant (Gmunden) after 17 months of conversion with an investment of €50 million; start of continuous immission measurements.
- 2020
Commissioning of the new Stockerau gravel plant with an electrically powered processing plant.
- 2021
365 accident-free days at the Hatschek cement plant; the immission measurements are assessed as unremarkable according to the State of Upper Austria.
- 2022
Commissioning of the first CO2 recovery plant in the German cement industry.
- 2025
Commissioning of a test plant for tempered clays; sustainability report for the first time according to the VSME standard.