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How do you vent a Colorbond roof?

13 days ago

I have been looking for alternatives to soffit vents in Australia but I haven't been able to find anything else. Are over fascia vents not used here?

My builder has suggested that a single flume vent installed near the ridge would provide adequate ventilation when used with a couple soffit vents. For a house with a 22-degree hip roof and a rectangular footprint of 10 by 7.8 metres I would have thought at least two whirlybirds would be necessary.

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