Sand Trap Louvre

A vertically bladed sand trap ventilation louvre


Vertical channel louvre blades provide enhanced trapping of small airborne sand or dust particles, particularly relevant where problems such as windborne sand are expected.


Comprising a box frame with a series of specially designed vertical baffles designed to allow airflow through the louvre unit whilst trapping airborne debris which is ejected through the front drainage slot.

Aerodynamic Testing

The Sand Trap Louvre unit was subjected to a series of independently controlled tests to determine the aerodynamic performance of the design.

Aerodynamic co-efficient – 0.12

Materials & Finishes

The louvres are offered in a wide variety of materials to include aluminium & steel, either in mill finish or post coated. Also available manufactured using pre-coated materials.

Aluminium alloy units in aluminium sheet to BS EN 485 in either mill finish or with a polyester powder paint finish (including Syntha Pulvin) with a wide choice of colours and gloss levels. Steel units manufactured using galvanised steel

Pre-coated louvres manufactured using Plastisol, PVDf or Colorcoat coated substrates in a full range of colours.

Also available using stainless steel, zinc, copper or bronze sheet materials.


Maintenance should be carried out in accordance with McKenzie-Martin’s recommendations.

Manufacturing Options

  1. Top, bottom and side flanges may be formed to whatever mounting detail is required.
  2. With flanged louvres, the box depth can be manufactured to fit inside or outside the building line as required.
  3. Expanded metal bird guards, security guards or fly mesh as required.
  4. Where units are to be mounted in continuous horizontal runs, joining plates are supplied.


System Design & Product Selection

Assistance with scheme design and selection is offered by our experienced technical team.



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