Void Ventilation Systems

Ventilation system designed for small spaces and voids

Void Area Ventilation Systems

All In One Ventilation Systems for Small Spaces

Void Area Ventilation Systems

All In One Small Space Ventilation System

We have developed this air intake system specifically for spaces where condensation may be a concern. Handling both air in and out this unique void space grille system would typically be use for:


  • Chain lockers
  • Void spaces
  • Stores & 
  • Lazarettes


This unique small area combination grille system will assist you to avoid the sweating and condensation that occurs in smaller spaces which could result in hull degradation over time. 


Bullhorn air ventilation grille system for small spaces

About Our Void Ventilation Grille System

  • Designed and constructed from Aluminium
  • The freeboard height is designed to meet NSCV code
  • Supplied powder coated your colour choice. Can also be supplied in mill finish if necessary.
  • It is supplied with a template of the penetrations
  • Bottom flange supplied enables you to bolt through the hull for a more secure fit.
  • Stock sizes available including a 100mm 240 MFP AC Fan and 5m of flexible ducting with a 150mm option as well.
Bullhorn air ventilation grille system for small spaces

About Our Void Area Ventilation System

  • Designed and constructed from Aluminium
  • The freeboard height is designed to meet NSCV code
  • Supplied powder coated your colour choice. Can also be supplied in mill finish if necessary.
  • It is supplied with a template of the penetrations
  • Bottom flange supplied enables you to bolt through the hull for a more secure fit.
  • Stock sizes available including a 100mm 240 MFP AC Fan and 5m of flexible ducting with a 150mm option as well.

Finished Product Details - Aluminium Void Ventilation Grille

Power & Voltage: We have these systems available in AC or DC options for the smaller sizes, and AC only for the larger sizes.
Materials: Marine grade Aluminium, fully welded.
Supplied Finish: Powder coated white, however can be powder coated to your colour of choice or supplied mill finish.
Sizes: We have the following stock sizes. (diameter of air in and out opening)
75mm, 100mm, 150mm & 200mm

Void Ventilation Systems Images

Some examples of our Void Ventilation Systems installed

Mid deck installation of void ventilation system

Void Ventilation System

Mid deck installation of our Void Ventilation system. 

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Deck edge installation of void ventilation system

Void Ventilation Grille

Deck edge installation to suit vessel design.

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Deck penetration of our void ventilation system

Deck Penetration

Void ventilation system showing the deck penetration

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Void ventilation system with no sharp edges

Clean and Safe Install

No sharp edges to keep crew and clients safe

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VOID VENTILATION SYSTEM DOCUMENTS & DOWNLOADS

Installation Instructions

Spec Data Sheets

  • View Installation Instructions.

Why MAFI Void Ventilation System?


  • These simple to install systems allow you to ventilate spaces that otherwise could not benefit from fresh air injection.
  • It will minimise condensation which could lead to corrosion in lockers, cavities and void spaces.
  • Can be bolted through the deck or welded if you prefer.


We stand by our products and offer a 110% money back guarantee!

Pricing for Void Ventilation Systems

Our void & small space ventilation systems are available in four standard sizes.

While we do only have four standard sizes at present, and we can manufacture this item to suit custom sizing.

75mm - AC or DC 

100mm - AC or DC

150mm - AC Only at present

200mm - AC only at present


* mm refers to the diameter of the inlet and outlet pipes.

Size: Cost
75 mm dia $1995 + gst
100 mm dia $2320 + gst
150 mm dia $2475 + gst
200 mm dia $2775 + gst

Contact us

Yes we can manufacture stainless steel air dampers to size, however it would be best if you contacted us first so we can talk about your requirements.

Yes we can manufacture stainless steel air dampers to size, however it would be best if you contacted us first so we can talk about your requirements.

Please contact us with any questions you might have about our void ventilation systems. We would be more than happy to help.

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