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Airtightness and ventilation

By Stephen McNeil 1 August 2021, Build 185, Feature article

As we push for higher performance from our houses, expectations for airtightness and ventilation are changing rapidly. Some changes will be needed in design to improve airtightness, and mechanical ventilation is likely to soon be the norm.

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Dealing with internal moisture

By Trevor Pringle 1 October 2016, Build 156, Feature article

Perversely, the draught-free, airtight homes of today might be harbouring plenty of internal moisture. Well designed ventilation is needed to manage this moisture and avoid the perils of mould and health issues.

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