Finding Air leakages

Richard McCarthy from Ballyfermot ETB demonstrates methods to find air leakages when checking for airtightness in a building. Recorded during delivery of the Foundation Energy Skills course 2016. Low energy building, construction training, airtight layer, airtight membrane, air leaks, blower door test, air changes per hour, airtight tapes, airtightness, depressurise building, windows, fixing leaks.