
Manufacture of windows, facades, doors, gates and special constructions in steel, aluminium and stainless steel

Heinrich Spieß KG
95032 Hof (Carl-Benz-Str. 10) · GermanyNew on Amplifa
About Heinrich Spieß KG
Heinrich Spieß KG is a long-established metal construction company based in Hof (Bavaria). The company originated from a small smithy around the turn of the century and developed into a steel and metal construction business. Today, the team of more than 20 employees manufactures windows and window elements, aluminium mullion-and-transom facades as well as doors and gates in steel and lightweight metal versions – including sound insulation windows, burglary-resistant systems according to DIN V 18054, bullet-resistant constructions (Systherm 72) and fire protection doors (T-30, T-90). In the field of special constructions, the in-house metalworking shop realizes, among other things, steel-glass partitions, sheet metal cladding, grating covers and light steel construction. Production is carried out with CAD design and CNC-controlled machine technology. Customers come predominantly from industry, commerce and the public sector, as well as from the private sector.
- Site
- Hof
- Processes
- Window and window element manufacturing, Sound insulation windows / insulating glass windows and systems, Burglary-resistant window and door systems (DIN V 18054, glazing according to DIN 52290 Part 3 and, Bullet-resistant windows & doors (Systherm 72, DIN 52290), Aluminium facades in mullion-and-transom design, Sloped glazing, glass extensions, conservatories, roof pyramids, pavilions, Doors & gates in steel and lightweight metal versions, Fire protection doors (T-30, T-90) and smoke protection according to DIN C 90
- Materials
- Aluminium, Steel, Stainless steel, primed steel sheet, Sendzimir-galvanized sheets, stainless steel sheets, Stainless steel (sheets), Primed steel sheet
- Certificates
- ISO 9001
- Employees
- more than 20
- Industries
- Industry, Commerce, Public sector, Private
- 01
CAD design
- 02
CNC-controlled manufacturing
- 03
Assembly
Materials & Processes
Aluminium
Material for window, facade and security systems as well as mullion-and-transom constructions.
Steel
Used for doors, gates, frames and light steel construction.
Stainless steel (sheets)
Used for doors, frames and custom-made products.
Primed steel sheet
Version for doors and gates.
Sendzimir-galvanized sheets
Corrosion protection version for doors, gates and frames.
Site
Hof
DEHeadquarters and production
- Materials
- Steel, aluminium, stainless steel
- CAD design
- CNC-controlled machine technology
Components & Systems





Inside the production









Industries
Processes & technical limits
| Processes | Tolerance | Max. part | Weight | Lot size | Materials |
|---|---|---|---|---|---|
| Window and window element manufacturingJoining | – | – | – | – | Aluminium, Steel |
| Sound insulation windows / insulating glass windows and systemsJoining | – | – | – | – | Aluminium, Glass |
| Burglary-resistant window and door systems (DIN V 18054, glazing according to DIN 52290 Part 3 andJoining | – | – | – | – | Aluminium, Glass |
| Bullet-resistant windows & doors (Systherm 72, DIN 52290)Joining | – | – | – | – | Aluminium |
| Aluminium facades in mullion-and-transom designAssembly | – | – | – | – | Aluminium |
| Sloped glazing, glass extensions, conservatories, roof pyramids, pavilionsAssembly | – | – | – | – | Aluminium, Glass |
| Doors & gates in steel and lightweight metal versionsAssembly | – | – | – | – | Steel, Aluminium, primed steel sheet, Sendzimir-galvanized sheets, stainless steel sheets |
| Fire protection doors (T-30, T-90) and smoke protection according to DIN C 90Assembly | – | – | – | – | Steel, Aluminium |
| Steel gates (T-30/T-90 steel sliding gates, double-walled steel sliding gates, folding slidingAssembly | – | – | – | – | Steel |
| Steel frames for doors and gatesAssembly | – | – | – | – | Steel, Aluminium, Stainless steel, Sendzimir-galvanized sheet |
| Metalworking / custom-made products (steel-glass partitions, sheet metal cladding,Assembly | – | – | – | – | Steel, Aluminium, Stainless steel |
| Design with CAD and CNC-controlled machine technologyEngineering | – | – | – | – | – |
| Assembly (job posting metalworker assembly)Assembly | – | – | – | – | – |
Additional services
Quality
Highest quality management with continuous testing and inspections; CAD technology with CNC-controlled machine technology guarantees precise, dimensionally accurate results.
| Evidence | Hof |
|---|---|
| ISO 9001 |
History
Originated from a small smithy around the turn of the century
Development into an innovative steel and metal construction business