Assess the cavity
We look at roof size, pitch and existing airflow to work out how many vents you actually need — no over-selling.
Whirlybird Installation MelbourneNorthern SuburbsWestmeadows
Westmeadows' brick veneer homes sit on open, unshaded blocks that take the full summer sun, and with minimal roof ventilation as originally built, the cavity above the ceilings stores that heat and radiates it down into the bedrooms all evening.
Melbourne & Surrounding Suburbs













Whirlybird Installation · Westmeadows
Westmeadows' brick veneer homes sit on open, unshaded blocks that take the full summer sun, and with minimal roof ventilation as originally built, the cavity above the ceilings stores that heat and radiates it down into the bedrooms all evening. Whirlybirds let that hot, trapped air escape. On Westmeadows' concrete-tile roofs we lift the tiles at the vent, cut a neat penetration, bed the flashing watertight, then seat the turbine and reinstate the tiles. A few correctly placed vents make a real difference to how the upstairs feels on a hot day in this exposed suburb.
Westmeadows' flat, open blocks with no tree shade mean roofs bake in summer with nothing to soften it, so venting the cavity does more here than in a shaded suburb further from the airport.
Local roof weather
Westmeadows sees around ~7 days above 35°C a year, and on those days an unventilated roof cavity turns into a heat store right above your ceilings.
Climate normals (2015–2024) from Open-Meteo ERA5 reanalysis — gridded reanalysis, so rainfall is an estimate that runs a little high versus long-term gauge averages. Live UV from ARPANSA, live conditions from Open-Meteo.
The process
We look at roof size, pitch and existing airflow to work out how many vents you actually need — no over-selling.
Vents go high on the roof where the hottest air collects, balanced with the eave intake so air can actually move through.
On a tiled roof we lift the tiles, cut a neat penetration, and bed the flashing so it is fully weatherproof.
The turbine is seated in the flashing collar and the tiles are reinstated over the apron, leaving a clean, leak-free finish.
Installation differs by roof: on tiled roofs we cut and flash the penetration under the tile course, while on metal roofs the vent is flashed directly into the sheeting. Both need the flashing done properly — a rushed vent install is a classic future leak.
Installations are carried out by an insured team and the workmanship is backed by a 7-Year Workmanship Guarantee and a 10-Year Dulux Acratex Material Warranty.
Current offer · Westmeadows
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