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Renewables · Geothermal & Biomass

Prefabricated Plant Enclosures

Steel-framed buildings for geothermal and other power plants: portal frames, purlins and girts, cladding, a roof monitor to let the heat out, louvres, and the supports for the steam lines coming in.

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Allmarc 3D model · to scale
Explore the model

How it is built.

Scroll: the camera moves to each part in turn and ends on the exploded view. Drag to turn it round yourself.

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A building round the turbine

A geothermal plant building has to carry cranes and shed a lot of heat. The frame, monitor and louvres are what does that.

Scroll to see how it is built · drag to turn it round

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Portal frames

Columns and rafters in plate I-sections, cut and welded on the automatic line, with braced end bays.

How is it possible at Allmarc?

Used here for: Portal frames

  • Plates matched and tack-welded
  • Automatic feed and stitch welding
  • H and I sections built from plate
All our machinery

Used here for: Portal frames

In 2024 we were the only buyer of Deratech’s 20 kW, 12 m laser.

  • 20 kW
  • 12 x 3 m bed
  • Pallet changer
All our machinery

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Purlins, girts and cladding

Cold-formed purlins and girts punched in line, and profiled cladding.

How is it possible at Allmarc?
Deratech 8 m tandem press brake in the Allmarc works

Used here for: Purlins, girts and cladding

  • 8 m bending length
  • Tandem technology
All our machinery
Trumpf TruPunch 1000 CNC punching in the Allmarc works

Used here for: Purlins, girts and cladding

  • CNC punching
  • Among the first in Gujarat, 2018
All our machinery

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Monitor and louvres

A monitor along the ridge and louvres in the walls let the heat escape without letting the rain in.

How is it possible at Allmarc?
Deratech Ultima Hybrid 600 T press brake in the Allmarc works

Used here for: Monitor and louvres

  • 600 T
  • 6 m long
  • Bends 12 mm plate
All our machinery

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Maintenance door

A large roller door in the end wall for moving equipment in and out.

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Every part, apart

Frames, bracing, purlins, cladding, monitor and louvres.

Why Allmarc

Experience you can trust.

We fabricate to your drawings and prove the fit in our own bay before anything ships. Open any line for the detail.

Talk to an engineer
Repeat parts, identical
  • Laser cutting, CNC punching and robotic welding, so the 1,000th table bolts up like the first.
  • Jigs and fixtures made in house for every repeat part.
Heavy and light, one roof
  • Rolled plate and heavy sections for fixtures, skids and gantries.
  • Light-gauge, punched parts for structures and walkways.
Access we make ourselves
  • Grip-Strut: the only maker in India, planks up to 8 m.
  • R13 anti-slip, 40% lighter than bar grating.
Scale for a pipeline of sites
  • 4 plants at Kanbha; about 6,000 T a month from November 2026.
  • Clients include Adani Renewables, Adani New Industries, Suzlon Energy and Kee Safety.
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