Making Air Ducts Quieter

What is the problem?
Ventilation ducts are needed to dissipate heat and supply cool air. However, these channels regularly compose sound leakages as well, since they constitute open connections between the outside environment and the engine room.

What is the solution?
The solution for round ducts is the simplest for round ducts. After removing all plugs, place at least two Inno Dampers with a mutual space of about 10 cm.
The solution for ducts that have a rectangular shape is to cover the inside with an absorption material, such as Tecnocell in dry ducts and Acusticab in ducts where the material could become damp.

If don't have access into the canal, you add a so-called labyrinth to the canal. This is best described as a tunnel containing walls equipped with an absorption material. In this way, the air has to go through a number of curves that absorb the sound as much as possible.

Below you will find the described products to insulate the air ducts

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  1. Acousticcell
    Acousticcell
    Sound absorbing foam
    • PU foam with a densified, cross-linked top layer
    • Sound absorption
    • Equipped with a sticker

    Starting at £23.18

    (incl. tax)
  2. Acousticcell PU
    Acousticcell PU
    Dirt-resistant absorption foam
    • Moisture and dirt repellent
    • Application including engine compartment
    • Hygienic areas

    Starting at £28.01

    (incl. tax)
  3. Inno Dampers
    Inno Dampers
    For round air ducts
    • Made of PU foam
    • Absorbent Silencer
    • Regulate noise reduction and airflow

    Starting at £6.53

    (incl. tax)
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Sound insulation for yacht and shipbuilding
More information about insulating yachts, ships and sloops can be found on the overview page 'Sound insulation and absorption for boat and yacht'.