Steel-frame warehouse under construction at sunset

Design · Build · Supply

We build the big steel buildings.

Proudly South African. Large-span warehouses, designed by our architects, engineered in steel, and built by our own crews — with materials sourced at better prices than your local supplier.

One team
design to handover
Big spans
column-free floors
Better prices
than your local supplier
Turnkey
single contract

The whole project. One company.

Architectural Design
01

Architectural Design

Site plans, layouts and full architectural drawings shaped around how your warehouse will actually operate.

Structural Engineering
02

Structural Engineering

Steel frames, clear spans and load calculations engineered for racking, cranes and heavy traffic.

Steel Construction
03

Steel Construction

Our crews fabricate, erect and close in the building — from foundations to the final roof sheet.

Metal Supply
04

Metal Supply

Beams, columns, plate, sheeting and fixings delivered from our yard to your site.

And more

Everything your building needs.

Building services

  • Turnkey projects — first drawing to handover
  • Warehouse extensions, height upgrades & mezzanine floors
  • Factories, workshops & cold rooms
  • Farm sheds, carports & shopping centres
  • Aircraft hangars
  • Site clearing, foundations, concrete floors & truck paving
  • Roof replacement & re-cladding

Fit-out

  • Loading docks & roller doors
  • Racking & shelving
  • Internal office blocks
  • Overhead cranes
  • Fire protection
  • Lighting
  • Rooftop solar — beat load-shedding

Plans & management

  • Building plans & municipal approvals
  • Project management — on time, on budget
  • Free quotes & cost estimates

Metal supply extras

  • Cutting, drilling & fabrication to size
  • Delivery to site
  • Bulk pricing for contractors

After the build

  • Maintenance plans
  • Structural inspections
  • Rust treatment
  • Repairs
Book a consultation
Stacks of steel I-beams in the supply yard

Metal supply

Every metal you need to build.

We can source all your building materials at a better price than your local supplier — from the biggest beams to the smallest bolt, delivered anywhere in South Africa.

  • I-beams & H-beams
  • Universal columns
  • Angles
  • Channels
  • Z & C sections
  • Round hollow sections
  • Square hollow sections
  • Steel plate
  • Checker plate
  • Rods
  • Cables & tie bars
  • Anchor bolts
  • Base plates
  • High-tensile bolts
  • Welding consumables
  • Galvanizing
  • Insulated sandwich panels
  • Roof & wall sheeting
  • Gutters
  • Flashing
  • Ridge caps
  • Skylights
  • Reinforcing bar
  • Reinforcing mesh
  • Purlins & girts
  • Stainless & aluminium

On site

Built by crews who know steel.

Tower cranes over a steel construction site
Heavy lifting
Workers in hard hats bolting steel beams
Steel erection
Welder joining a steel beam
Fabrication

How we work

  1. Step 1
    Consult
  2. Step 2
    Design
  3. Step 3
    Engineer
  4. Step 4
    Supply
  5. Step 5
    Build
  6. Step 6
    Hand over

Book a consultation

Tell us what you're building or what materials you need — book a consultation and we'll take it from there.

© 2026 Powerline Build Group · South Africa