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.
004 Light Brown 455 x 160mm Brass Wire Vent
- Product Code: 004 Light Brown 455 x 160mm Brass Wire Vent
- Availability: In Stock
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$30.00