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 MelbourneWestern SuburbsKings Park
Kings Park's 1970s-to-80s homes were mostly built before roof ventilation was standard, leaving roof cavities with nowhere for summer heat to escape on the suburb's flat, open streets.
Melbourne & Surrounding Suburbs













Whirlybird Installation · Kings Park
Kings Park's 1970s-to-80s homes were mostly built before roof ventilation was standard, leaving roof cavities with nowhere for summer heat to escape on the suburb's flat, open streets. A whirlybird uses wind and rising heat to continuously draw that hot air out, cutting ceiling heat load in the house below and reducing moisture that can otherwise sit against roof timbers. It's a straightforward retrofit on the concrete tile common across Kings Park.
Kings Park's flat, open streets mean many roofs get consistent sun exposure with limited shade, so ventilation makes a real difference to how hot the ceiling space gets in summer.
Local roof weather
Kings Park sees around ~6 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 · Kings Park
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