• 601-1 Spark Arresting 230x160mm Red Vent

Aleta Industries Pty Ltd is manufacturing spark arresting vents to meet the Australian Standard AS3959-1999. There are three levels  of bush fire attack with level 1 being moderate, level 2 high and level 3 extreme. Our vents are made to meet level 3 standards with a 316 stainless steel wire and an aperture of 1.65mm.

The 230 x 160 mm vent, with 316 stainless steel mesh 1.65mm aperture and wire diameter of 0.45mm give 9,800 Sq mm of ventilation per vent.

 The Australian Building code 3.4.1 deals with sub-floor ventilation. There are 3 climate zones, Zone 1 is central Australia and requires 2,000 sqmm of ventilation per linear metre of external wall, using Aleta 230 x 160 vents in Zone 1 would mean spacings at 4.9 metres. Zone 2 is in land Australia and requires 4,000 sqmm of ventilation per linear metre of external wall, using Aleta 230 x 160 vents in Zone 2 would mean spacings at 2.6 metres. Zone 3 is coastal Australia and requires 6,000 sqmm of ventilation per linear metre of external wall, using Aleta 230 x 160 vents in Zone 3 would mean spacings at 1.6 metres.

It should be noted that extra ventilation may be required if : excessively damp sub-floor or if all walls can't be ventilated.

Vents should be placed no more than 600mm from corners and evenly spaced around the building.

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601-1 Spark Arresting 230x160mm Red Vent

  • Product Code: 601-1 Spark Arresting 230x160mm Red Vent
  • Availability: In Stock
  • $21.00


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