455 x 160 mm vent, with decorative crimped brass wire mesh, Hi flow static vents. They give 23,800 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 455 x 160 vents in Zone 1 would mean spacings at 11.9 metres. Zone 2 is Inland Australia and requires 4,000 sqmm of ventilation per linear metre of external wall, using Aleta 455 x 160 vents in Zone 2 would mean spacings at 6.0 metres. Zone 3 is coastal Australia and requires 6,000 sqmm of ventilation per linear metre of external wall, using Aleta 455 x 160 vents in Zone 3 would mean spacings at 4.0 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.
008 Terracotta 455 x160mm Brass Wire Vent
- Product Code: 008 Terracotta 455 x160mm Brass Wire Vent
- Availability: In Stock
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$30.00