POLYENCO - Steel structure

Our projects.

Steel structures, industrial handling and customised pieces.

Steel structure

Technical building with mezzanine

POLYENCO - Crane lifting a steel frame portal
01Frame lifting
POLYENCO - Portal-frame hall seen from inside before roofing
02Portal-frame hall
POLYENCO - Portal frames and bracing seen from below
03Portal frame and bracing
POLYENCO - Two-storey steel frame being erected
04Two-storey frame
POLYENCO - Roof bracing seen from below on a painted steel frame
05Roof bracing
POLYENCO - Painted steel frame, portals and purlins in place
06Painted frame
POLYENCO - Steel frame being erected on an industrial site
07Frame under construction
Customised pieces

Custom steel staircase

  1. The architect's 3D model: a helical staircase with a solid stringer in a circular shaft

    3D design

  2. POLYENCO - 3D view of the staircase in the study model: helical stringer, treads and handrail

    Technical study

  3. POLYENCO - The helical stringer of the staircase being fabricated, held by its shoring

    Steel fabrication

  4. POLYENCO - The helical staircase installed on site, shoring removed and treads laid

    Formwork removal

POLYENCO - Conical shell after painting After
POLYENCO - Assembled conical shell before painting Before
Customised pieces · Before / after

Assembled and painted shell

Move the slider to compare the two states of the same shell.

POLYENCO - Process shelter on steel columns, upper cladding fitted After
POLYENCO - Steel frame before cladding, around the process installation Before
Steel structure · Before / after

Steel structure — cladding

  • POLYENCO - Lattice steel frame lifted by crane on an industrial building site
    Steel structure

    Steel structure framing

  • POLYENCO - Single-girder travelling crane installed under a hall roof structure
    Industrial handling

    Single-girder travelling crane

  • POLYENCO - Steel staircase with a centre stringer and folded-plate treads
    Customised pieces · 2 photos

    Centre-stringer staircase

  • POLYENCO - Facade cladding on an office building
    Customised pieces · 2 photos

    Tensioned fabric shelter

  • POLYENCO - Inside an industrial hall: portal frames and curved rafters
    Steel structure

    Steel structure framing

  • POLYENCO - 2-tonne crane girder painted yellow, ready for dispatch
    Industrial handling

    Crane girder

  • POLYENCO - Steel mezzanine on columns inside an existing workshop
    Steel structure

    Workshop mezzanine

  • POLYENCO - Crane runway and power rail fixed to the roof structure
    Industrial handling

    Crane runway

  • POLYENCO - 5-tonne travelling crane and roof structure work in a working hall
    Industrial handling

    Mixed civil works & steel structure building

  • POLYENCO - Seafront steel shade structure, curved frame before roofing
    Customised pieces

    Steel structure shelter

  • POLYENCO - Steel lattice canopy over the loading bays of a production building
    Customised pieces · 2 photos

    Lattice loading-bay canopy

  • POLYENCO - Steel joist floor hung under a concrete slab
    Steel structure

    Secondary structure

  • POLYENCO - Caged goods lift and landing door in a stockroom
    Industrial handling

    2-tonne goods lift with steel shaft

  • POLYENCO - Aerial view of a galvanised frame erected on its slab
    Steel structure

    Galvanised frame

  • POLYENCO - Completed steel building, cladding and roofing in place
    Steel structure

    Cold storage building

  • POLYENCO - Outdoor shelter on steel columns along a service road
    Customised pieces

    Car shelter

  • POLYENCO - Warehouse frame aligned on its footings, before roofing
    Steel structure

    Steel structure frame

  • POLYENCO - Travelling crane and service walkway under a workshop roof structure
    Industrial handling

    Turnkey building

  • POLYENCO - Portal frame lifted by crane, installers working at height
    Steel structure

    Double portal frame structure

  • POLYENCO - Corner of a clad building, roofing and parapet in place
    Steel structure · 2 photos

    Clad building with roller shutters

  • POLYENCO - Galvanised steel staircase installed on a facade
    Customised pieces

    Suspended staircase

  • POLYENCO - Steel structure work inside an existing building
    Steel structure · 2 photos

    Mezzanine structure

  • POLYENCO - Boilermaking steel casing before surface treatment
    Customised pieces

    Boilermaking casing

  • POLYENCO - Loading a fabricated piece onto a crane truck
    Industrial handling

    Loading

  • POLYENCO - Vertical stainless steel tank with agitator
    Customised pieces

    Stainless steel tank with agitator

  • POLYENCO - Three vertical stainless steel tanks on legs
    Customised pieces

    Stainless steel tanks

  • POLYENCO - Painted horizontal steel tank resting on its saddles in the workshop
    Customised pieces

    3,000 L compressed air tank

  • POLYENCO - Team on scaffolding during the metal reinforcement of a concrete silo
    Steel structure

    Metal reinforcement of concrete silos

  • POLYENCO - Sandblasting custom-made fabricated parts on the work area
    Customised pieces

    Sandblasting of custom-made parts

From above

A galvanised steel frame.

POLYENCO - Aerial view of a galvanised steel frame erected on its slab

Contact

Have a project in mind?

Tell us what you need. From engineering to installation, POLYENCO delivers complete metal construction solutions.

Phone: +216 27 812 929 WhatsApp: +216 27 812 929