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Ventilation and Ducting

Macro Metal Services has long been recognised as the foremost ventilation company on the Island. Our team of dedicated installers ensure that your installation is completed to the highest standard with the minimum of disruption.

Make Macro your “One Stop Shop” for circular and rectangular ducting.

  • Full duct fabrication facility
  • Quick turn-around
  • Sheet materials from stock
  • Installation service or supply only
  • We hold large stocks of circular spiral ducting and all associated fittings from 100mm diameter up to 450mm. Other sizes are available to order.

Rectangular Ducting

Manufactured and installed to DW144, the HVCA ductwork standard, our rectangular ducting, bends, square to round adaptors, changes of section, etc. are fabricated on to order. A quick turn-around is guaranteed thanks to our computerised CAD/CAM system and CNC Plasma Cutter.


We stock a wide range of fans (Cased & plate axials, In-line etc.) from 100mm – 450mm diameter, along with speed controls and ancillaries.


Eggcrate and 4-way grilles, swirl diffusers, circular air valves (in white and stainless steel), and external louvres (square and circular) all in stock.

Circular Ducting

Trade Counter supplying fans, grilles, circular spiral ducting, fittings, and standard and pre-insulated flexible ducting, together with all the specialised brackets and fixings you may require.


Interested in more information? Contact us to discuss your requirements.