
Custom metal construction, fire protection and energy/environmental technology from a single source – from design through to installation.

Activ Industrie GmbH
FlensburgNew on Amplifa
The Company
Activ Industrie GmbH in Flensburg is a cross-trade service provider for metal construction, fire protection and energy and environmental technology. The company combines the fields of metalworking, insulation and electrical trades and implements projects with its own engineers and craftsmen, from engineering design through planning and manufacturing to installation. Its range of services includes hall construction with floor areas of 50 to 2000 m², cold store construction from -60 °C to +5 °C, sound insulation, container conversion, hygiene surfaces for the food industry, special metal construction including prototypes, technical insulation, preventive fire protection as well as photovoltaic systems with energy storage and photovoltaic façades. Customers come from industry, commerce, shipbuilding, the food industry and energy and environmental technology. Special tasks such as earthquake-resistant fire protection for nuclear power plants and KMF (artificial mineral fibre) disposal are also offered.
- Site
- Flensburg
- Processes
- Technical insulation (planning, manufacturing, installation for industry), Fire protection (fire walls, penetrations/sealing, fire doors, mineral fibre linings, cable &, Sound insulation (ventilated acoustic enclosures, vibration-isolated floors, acoustic baffles,, Protective surfaces (substructures, hygiene surfaces, linings made of solid and perforated sheet, Cold protection (cold rooms and cold protection for refrigeration systems, cold rooms in sandwich, Hall construction (hall roofs, canopies, shading systems including doors, gates, window elements,, Special metal construction (prototypes, custom solutions: hygiene stations, folding bridges,, Photovoltaics (photovoltaic systems, solar modules, cabling systems, energy storage,
- Materials
- Steel, Stainless steel, Lead sheet, Plastics, Mineral fibres, Open-cell rubber, Glass fabric (E-glass), Gypsum board
- Certificates
- Quality assurance & technical documentation
- Industries
- Industry, Commerce, Shipbuilding, Food industry, Energy & environmental technology, Nuclear power
- 01
Engineering & CAD design
- 02
Sheet metal processing
- 03
Welding & installation
- 04
Thermal insulation
- 05
Acceptance & technical documentation
Locations
Flensburg
DEHeadquarters
- Materials
- Steel, stainless steel, sandwich panels, mineral fibres, plastics
- CAD systems
- Sheet metal processing
Components



Inside the production





Industries
Processes & technical limits
| Processes | Tolerance | Max. part | Weight | Lot size | Materials |
|---|---|---|---|---|---|
| Technical insulation (planning, manufacturing, installation for industry)Installation | – | – | – | – | Insulation materials |
| Fire protection (fire walls, penetrations/sealing, fire doors, mineral fibre linings, cable &Installation | – | – | – | – | Mineral fibres |
| Sound insulation (ventilated acoustic enclosures, vibration-isolated floors, acoustic baffles,Installation | – | – | – | – | Mineral fibres, open-cell rubber, glass fabric, gypsum board, steel, lead sheets, elastomers, foams, composite materials |
| Protective surfaces (substructures, hygiene surfaces, linings made of solid and perforated sheetInstallation | – | – | – | – | Steel, stainless steel, plastics, E-glass, sandwich panels, profiled sheets |
| Cold protection (cold rooms and cold protection for refrigeration systems, cold rooms in sandwichInstallation | – | – | – | – | stainless steel, spray foam, rubber, sandwich panels |
| Hall construction (hall roofs, canopies, shading systems including doors, gates, window elements,Installation | – | – | – | 50 m² floor area – 2000 m² floor area | – |
| Special metal construction (prototypes, custom solutions: hygiene stations, folding bridges,Installation | – | – | – | – | steels, stainless steels, elastomers, special materials |
| Photovoltaics (photovoltaic systems, solar modules, cabling systems, energy storage,Installation | – | – | – | – | – |
| Special disposal (KMF disposal, decontamination, airlock construction, clearance measurements,Installation | – | – | – | – | – |
| Container conversion (special and functional containers with floors, walls, ceilings made of steelInstallation | – | – | – | – | steel sheet, sandwich panels |
| Cold store construction (cold cells including fittings, -60°C to +5°C, racking or pallet storageInstallation | – | – | – | – | stainless steel |
| Hygiene surfaces (food industry, coved corners, sealed seams, glass borders)Installation | – | – | – | – | stainless steel |
| Doors and gates (steel doors, reinforced security doors, sectional doors, high-speed doors)Installation | – | – | – | – | steel |
| Engineering services (planning, calculations, 3D models, analyses, simulations,Engineering | – | – | – | – | – |
| Sheet metal processingMachining | – | – | – | – | – |
| CAD designEngineering | – | – | – | – | – |
Additional services
Quality
Quality assurance is carried out by in-house engineers and specialist planners, including a certified specialist planner for preventive fire protection, encompassing planning, calculations, simulations and technical documentation.
| Evidence | Flensburg |
|---|---|
| Quality assurance & technical documentation |