Structural metalwork and metal construction in Frankfurt am Main: steel, aluminium and stainless steel work, custom-made products, assembly and maintenance
Leonhardt GmbH + Co. KG Metallhandwerk
Heidelberger Str. 18, 60327 Frankfurt am Main · DENew on Amplifa
About us
Leonhardt GmbH + Co. KG Metallhandwerk is a structural metalworking and metal construction company in Frankfurt am Main, headquartered at Heidelberger Straße 18. Founded in 1902, the family business produces constructions and components from steel, stainless steel (V2A), aluminium and iron, complemented by glass inserts and curved glass. Its range of services includes steel construction, aluminium work, artistic blacksmithing as well as custom and special fabrications: windows, doors, gates, balcony railings, canopies, fences, stairs, gratings, shop window systems, façade elements, fire and smoke protection doors (T30 to T180) as well as burglary protection such as window grilles and scissor gates. The steel work is primed, painted, powder-coated or galvanized; aluminium work is anodized or finished in a RAL colour. The company offers a complete service from surveying, construction and planning through manufacturing and welding to assembly, maintenance, repair and restoration – primarily in the Rhine-Main region for private customers, building owners and commercial construction.
- Site
- Frankfurt am Main
- Processes
- Metal construction work (custom and special fabrications), Steel construction (windows, doors, gates, railings, stairs, fences, canopies, gratings, steel, Aluminium work (windows, doors, lift-and-slide doors, folding doors, façade elements), Welding, Artistic blacksmithing / forging work, Priming, painting, powder coating, galvanizing (surface finishing of steel work), Anodizing (surface finishing of aluminium work), Restorations and repairs
- Materials
- Steel, Stainless steel (V2A), Aluminium, Iron, Glass (glass inserts, curved glass)
- Certificates
- Master craftsperson business (HwO)
- Founded
- 1902
- Employees
- 3
- Industries
- Private customers/Building owners, Commercial construction, Structural metalwork/Metal construction
- 01
Consultation and surveying
- 02
Construction and planning
- 03
Manufacturing (forging, welding, assembly)
- 04
Surface finishing (priming, painting, powder coating, galvanizing)
- 05
Assembly
- 06
Maintenance, repair, restoration
Materials & Processes
Steel
Base material for windows, doors, gates, railings, stairs, fences, canopies and gratings; primed, painted, powder-coated or galvanized.
Stainless steel (V2A)
For stainless steel railings, handrails, gates, cladding and burglary protection with a corrosion-resistant surface.
Aluminium
For windows, lift-and-slide doors, folding doors, façade elements, canopies and shop window systems, anodized or in a RAL colour.
Iron
Material for classic artistic blacksmithing work and restorations.
Glass (glass inserts, curved glass)
Glass inserts for doors and grilles, also in curved form.
Location
Frankfurt am Main
DEOperations/Workshop
- Lot size
- Custom-made products, special fabrications, prototypes
- Materials
- Steel, stainless steel (V2A), aluminium, iron, glass
Components
Inside the production
Industries
Processes & technical limits
| Processes | Tolerance | Max. part | Weight | Lot size | Materials |
|---|---|---|---|---|---|
| Metal construction work (custom and special fabrications)Assembly | – | – | – | – | Steel, Stainless steel, Aluminium |
| Steel construction (windows, doors, gates, railings, stairs, fences, canopies, gratings, steelAssembly | – | – | – | – | Steel |
| Aluminium work (windows, doors, lift-and-slide doors, folding doors, façade elements)Assembly | – | – | – | – | Aluminium |
| WeldingJoining | – | – | – | – | Steel, Stainless steel, Aluminium |
| Artistic blacksmithing / forging workForming | – | – | – | – | Steel, Iron |
| Priming, painting, powder coating, galvanizing (surface finishing of steel work)Surface | – | – | – | – | Steel |
| Anodizing (surface finishing of aluminium work)Surface | – | – | – | – | Aluminium |
| Restorations and repairsAssembly | – | – | – | – | Steel, Stainless steel, Aluminium, Iron |
| Maintenance (entrance doors, windows, sliding doors, lift-and-slide elements, T30 doors)Assembly | – | – | – | – | – |
| Burglary protection / security technology (window grilles, scissor gates, grilles, rolling grilles)Assembly | – | – | – | – | Steel, Stainless steel |
| Planning and construction (surveying, binding quotations, renovation schedules, metal constructions)Engineering | – | – | – | – | – |
| Custom fabrications/prototypes (also steel furniture, steel beds, steel tables)Assembly | – | – | – | – | Steel |
| Assembly of smoke and fire protection doors (T30 to T180, with glass insert)Assembly | – | – | – | – | Steel, Glass |
Additional services
Quality
Binding deadlines and renovation schedules, a detailed survey before work begins, and a single point of contact for all services ensure execution quality. Master craftsman in the metalworking trade (Chamber of Crafts Frankfurt-Rhein-Main).
| Evidence | Frankfurt am Main |
|---|---|
| Master craftsperson business (HwO) |
History
- 1902
Founded by Friedrich Leonhardt on 18.03.1902
- 1921
Master craftsman certificate of Conrad Leonhardt on 05.04.1921
- 1952
Master craftsman certificate of Günther Leonhardt on 14.03.1952
- 2002
Master craftsman certificate of Gregor Leonhardt on 19.12.2002
- 2009
Graduate in business administration for the skilled crafts sector (Fachkauffrau für Handwerkswirtschaft), Durda Leonhardt, on 15.06.2009