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Air tightness Cathal Mac Séalaigh
Areas to be looked at ,[object Object],[object Object],[object Object],[object Object],[object Object]
What is air tightness? ,[object Object],[object Object],[object Object],[object Object]
Air tightness
Building Regulations ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Building Regulations ,[object Object],[object Object],[object Object]
Building Regulations ,[object Object],[object Object]
Number of Tests At least 2% of units At least 5% of units, until 5 successful consecutive tests are achieved, 2% thereafter ,[object Object],[object Object],[object Object],At least 5% of the dwelling type >40 but ≤100 2 tests >4 but ≤40 1 test 4 or less Number of Tests Number of Units
How is it measured? ,[object Object],[object Object]
Air permeability testing
How is it measured ,[object Object],[object Object],[object Object],[object Object],[object Object]
How is it measured? ,[object Object],[object Object],[object Object]
Air Permeability Testing
Air Permeability Testing
Common air leakage paths ,[object Object],[object Object]
Common air leakage paths ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Why is it important? ,[object Object],[object Object],[object Object],[object Object]
Impact on the BER ,[object Object],[object Object],[object Object]
[object Object]

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Air tightness