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91 Table 2.5: Climate zones 4C, 5A and 5B Component 2009 IECC 2012 IECC 40% <20
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Residential guide 97 Table Climate zones C A and B Component IECC IECC IECC IECC Net Zero Wall Insulation Option Wall Cavity Insulation R-value Wall Insulation Option R- R- R- R- R- Double Wall Wall Cavity Insulation R-value Wall Continuous Insulation R-v
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