
Custom metal construction solutions: stairs, railings, balconies, canopies, carports and custom fabrications in steel, stainless steel and aluminium.

Blaimer Metall- und Stahlbau GmbH
Rennweg 126, 93309 KelheimNew on Amplifa
Metal and steel construction in its third generation
Blaimer Metall- und Stahlbau GmbH is a master craft business in metal and steel construction founded in 1965, based in Kelheim and now run by the third generation. The company plans and manufactures custom metal construction solutions with a focus on the production of stairs, railings and balconies. The service portfolio also includes canopies and roofs, carports, fences, garage doors, aluminium doors including fire and smoke protection doors, as well as French balcony railings and custom fabrications such as steel structures, bicycle storage or wheelchair ramps. Materials processed are steel, stainless steel and aluminium, complemented by glass and sheet metal infills. The final steps are corrosion protection and finishing measures such as powder coating, galvanizing and painting, as well as on-site installation. As a certified specialist company under DIN EN 1090, the company is qualified to operate in the building regulation field and to deliver products with CE marking. Customers include private builders, construction companies, property developers and public sector clients in the Kelheim and Regensburg region and beyond.
- Site
- Kelheim
- Processes
- Staircase manufacturing (interior/exterior, straight, angled, spiral), Railing manufacturing (interior and exterior, custom handrails), Balcony manufacturing (steel profiles, steel-glass connections), Fences / bar mat fencing, Canopies and roofs, Garage doors (sectional door, side sectional door, industrial door, up-and-over door, roller door), Carports (planning, manufacturing, assembly), Aluminium doors (entrance, fire and smoke protection doors, automatic doors)
- Materials
- Steel, Aluminium, Stainless steel, Glass, Sheet metal
- Certificates
- DIN EN 1090 (certified specialist company, CE marking), EN 1090
- Founded
- 1965
- Industries
- Construction/metal and steel construction for private builders, Construction companies, Property developers, Public sector clients
- 01
Consulting and planning
- 02
Engineering
- 03
Manufacturing
- 04
Corrosion protection (powder coating, galvanizing, painting)
- 05
Assembly
Materials and processes
Steel
Main material for stairs, railings, balconies, carports and steel structures.
Stainless steel
Used for railings and French balcony railings with custom handrails.
Aluminium
Material for doors including fire and smoke protection doors as well as automatic doors.
Glass
Infill panels and connections for carports, balconies (steel-glass connections) and balcony railings.
Sheet metal
Infill panels for canopies, carports and aluminium doors.
Sites

Kelheim
DEHeadquarters and workshop
- Materials
- Steel, stainless steel, aluminium
Components and products








Inside the production










Industries
Processes & technical limits
| Processes | Tolerance | Max. part | Weight | Lot size | Materials |
|---|---|---|---|---|---|
| Staircase manufacturing (interior/exterior, straight, angled, spiral)Assembly | – | – | – | – | Steel, Aluminium, Stainless steel |
| Railing manufacturing (interior and exterior, custom handrails)Assembly | – | – | – | – | Steel, Stainless steel, Glass |
| Balcony manufacturing (steel profiles, steel-glass connections)Assembly | – | – | – | – | Steel, Glass |
| Fences / bar mat fencingAssembly | – | – | – | – | Steel |
| Canopies and roofsAssembly | – | – | – | – | Steel, Glass, Sheet metal |
| Garage doors (sectional door, side sectional door, industrial door, up-and-over door, roller door)Assembly | – | – | – | – | Steel |
| Carports (planning, manufacturing, assembly)Assembly | – | – | – | – | Steel, Glass, Sheet metal |
| Aluminium doors (entrance, fire and smoke protection doors, automatic doors)Assembly | – | – | – | – | Aluminium, Glass, Sheet metal |
| French balcony railings (fall protection)Assembly | – | – | – | – | Stainless steel, Glass |
| Custom fabrications (steel structures, bicycle storage, wheelchair ramp, shaft protection, privacyAssembly | – | – | – | – | Steel |
| Powder coatingSurface treatment | – | – | – | – | Steel, Aluminium |
| Galvanizing (corrosion protection)Surface treatment | – | – | – | – | Steel |
| PaintingSurface treatment | – | – | – | – | Steel, Aluminium |
| Planning and engineering of custom metal construction solutions (DIN EN 1090 certified)Engineering | – | – | – | – | Steel, Aluminium |
Additional services
Quality and certification
As a certified specialist company under the steel construction standard DIN EN 1090, the company manufactures for the building regulation field (stairs, railings, balconies, canopies) and affixes the CE mark to its products.
| Evidence | Kelheim |
|---|---|
| EN 1090 |
Company history
- 1965
Company founded; active as a master craft business in metal and steel construction ever since, now run by the third generation