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Appendix a: air tightness requirements tables – Retrotec Residential Pressure & Air Leakage User Manual

Page 54

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Page 54 of 75
©Retrotec Inc. 2014

Appendix A: Air Tightness Requirements Tables

Many of the air tightness requirements depend on the climate zone. Climate zone information can be found at
the

US Department of Energy Climate Zones

page.