Air Tight Testing

Air Tight Testing edited

Air Tightness Testing is a requirement for all residential new builds. Air tightness testing is undertaken to determine a building's air permeability rating, most commonly in order to demonstrate Part L compliance. Air leakage is a significant cause of heat loss, and is therefore a major contributor to energy inefficiency in buildings. For this reason, Part L of the Building Regulations requires new buildings to meet specific air permeability targets. The test must be undertaken once all elements of the building's envelope are sealed.

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