Do you need to whirlybirds on the roof?

Do you need to whirlybirds on the roof? As moisture builds up in your roof space, it can lead to mould and mildew problems. Having adequate whirlybird ventilation means that this moisture can evaporate the roof space. This means that there is a reduced risk in mould and mildew buildup.

As moisture builds up in your roof space, it can lead to mould and mildew problems. Having adequate whirlybird ventilation means that this moisture can evaporate the roof space. This means that there is a reduced risk in mould and mildew buildup.
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