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Air Tightness Requirements for Assemblies ................................................................................. 60
Comparison of different Air Leakage Results for the same enclosure ............................................ 60
Appendix B: Calculate flow if required test pressure cannot be reached .................... 63
“n” setting for estimating flow @ pressure during house and duct leakage test ........................... 63
Extrapolation Error for Flow if gauge “n” doesn’t match actual “n” .............................................. 64
Cannot Reach 50 Pa Factors for houses ........................................................................................ 65
Cannot Reach 25 Pa Factors for ducts .......................................................................................... 67
Appendix C: Test Forms ............................................................................................. 68
ASTM Air Leakage Testing Procedure: .......................................................................................... 70
Glossary ...................................................................................................................... 73
