ilmatiiveyteen
Ilmatiiveyteen is the Finnish illative form of the noun ilmatiiveys, commonly used in building science to refer to airtightness or the state of being airtight. In practice the term denotes measures taken to limit uncontrolled air leakage through building envelopes and components, and the resulting performance characteristic of a structure.
Airtightness is important for energy efficiency, because uncontrolled infiltration increases heating and cooling demand. It also
Measurement of airtightness is commonly performed with blower door tests and tracer gas methods. Results are
Common techniques to achieve ilmatiiveyteen include continuous air barriers, sealing tapes and gaskets, spray foams, and