Skip to content
NEW: CREATE AN AI-ASSISTED TENDER IN 2 MINUTES — TRY IT FREE
Back to search
Graumann – Fertigung

Certified metal construction from Niederkassel: railings, stairs, gates, structural steelwork and custom constructions in steel, sheet metal and aluminium – including assembly.

Graumann Logo

Metall & Industrieanlagenbau Guido Graumann GmbH

NiederkasselNew on Amplifa

more than 30 yearsExperience in metal construction
DIN EN 1090 since 01.08.2023Certification
1 (Niederkassel)Locations

About us

Metall & Industrieanlagenbau Guido Graumann GmbH from Niederkassel is a medium-sized metal construction company with more than 30 years of experience. The company manufactures, supplies and installs custom fabrications in steel, sheet metal and aluminium – including railings for indoor and outdoor areas, steel stairs, access and escape ladders with access and exit platforms, industrial building elements such as gates, doors and windows with or without drives, as well as gate and fence systems. Further service areas include custom constructions in steel and sheet metal, facade cladding including substructures made of aluminium, steel and KS pressed boards, connecting profiles, ramp plates, balcony extensions, canopies and roofing structures, as well as the supply of balcony solar systems. Since 01.08.2023, the company has been certified under DIN EN 1090 as a certified metal construction company and certified welding business. An on-site appointment and measuring service also captures unclear implementation requirements and offers customized solutions.

Site
Niederkassel
Processes
Manufacturing, delivery and installation of steel railings (indoor and outdoor areas), Manufacturing of steel stairs, access and escape ladders optionally with access and exit platforms, Custom constructions in steel and sheet metal versions, Industrial building elements such as gates, doors, windows etc. with and without drives, Facade cladding including substructures, Connecting profiles and ramp plates, Welding work (certified welding business under DIN EN 1090), Balcony extensions
Materials
Steel, Sheet metal (steel/sheet metal version), Aluminium, KS pressed boards, Sheet steel
Certificates
DIN EN 1090 (Certified metal construction company), Certified welding business (DIN EN 1090), DIN EN 1090 – Certified metal construction company, DIN EN 1090 – Certified welding business, ISO 9001
Industries
Construction, Structural steelwork, Facade construction, Industrial plant engineering, Metal construction
  1. 01

    On-site measuring service including quote preparation

  2. 02

    Design/custom constructions in steel and sheet metal

  3. 03

    Machining/production of steel and sheet metal parts (steel and sheet metal

  4. 04

    Joining by welding (certified welding business under DIN EN 1090)

  5. 05

    Final assembly or on-site installation

  6. 06

    Delivery to the site/customer

Materials and processes

S

Steel

Steel forms the basis for railings, stairs, ladders, gates, custom constructions and structural steelwork.

Blech

Sheet steel

Sheet metal versions are used for custom constructions, connecting profiles and ramp plates.

Al

Aluminium

Aluminium is used for facade cladding and associated substructures.

KS

KS pressed boards

KS pressed boards are used as a material for facade cladding.

Locations

Standort

DE

Manufacturing, delivery, installation

Components

Balcony railing
Balcony railing
Stair/railing structure
Stair/railing structure
Steel structure
Steel structure
Component from metal construction
Component from metal construction
Stair structure
Stair structure
Balcony power plant (solar modules)
Balcony power plant (solar modules)
Object from metal construction
Object from metal construction
Balcony power plant (solar modules)
Balcony power plant (solar modules)
Glass canopy
Glass canopy
Glass canopy
Glass canopy
Canopy/roofing structure
Canopy/roofing structure
Gate system
Gate system
Fence system
Fence system
Gate and fence systems
Gate and fence systems

Inside the production

Project image
Project image
Project image
Project image
Project image
Project image
Project image
Project image
Project image
Project image
Project image
Project image
Project image
Project image

Industries

ConstructionStructural steelworkFacade constructionIndustrial plant engineeringMetal construction

Processes & technical limits

ProcessesToleranceMax. partWeightLot sizeMaterials
Manufacturing, delivery and installation of steel railings (indoor and outdoor areas)Assembly––––Steel
Manufacturing of steel stairs, access and escape ladders optionally with access and exit platformsAssembly––––Steel
Custom constructions in steel and sheet metal versionsAssembly––––Steel, Sheet metal
Industrial building elements such as gates, doors, windows etc. with and without drivesAssembly–––––
Facade cladding including substructuresAssembly––––Aluminium, Steel, KS pressed boards
Connecting profiles and ramp platesAssembly––––Steel, Sheet metal
Welding work (certified welding business under DIN EN 1090)Joining––––Steel
Balcony extensionsAssembly––––Steel
Balcony power plant solar systems (scope of supply: 2 x PV module of 410 W each, mounting bracket,Assembly–––––
Canopies and roofing structuresAssembly–––––
Gate and fence systemsAssembly––––Steel

Additional services

Manufacturing, delivery and installationDesign/custom constructions in steel and sheet metalFacade cladding incl. substructure (aluminium, steel, KS pressed boards)Connecting profiles and ramp platesOn-site appointment/quote and measuring serviceBalcony power plant solar (supply)

Quality

Since 01.08.2023, the company has been certified under DIN EN 1090 as a certified metal construction company and as a certified welding business.

EvidenceNiederkassel
DIN EN 1090 – Certified metal construction company
DIN EN 1090 – Certified welding business
ISO 9001

History

  1. More than 30 years of experience in metal construction

  2. 2023

    Certification under DIN EN 1090 as a certified metal construction company and as a certified welding business (since 01.08.2023)

Try it now

Test Amplifa Marketplace – no appointment needed.

From a structured request to the right manufacturing partner: AI-assisted matching, verified suppliers and transparent metrics — sign up in minutes and start on your own.

Create your free account