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R402.3.3 Glazed Fenestration Exemption
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Not greater than 15 square feet (1.4 m2) of glazed fenestration per dwelling unit shall be exempt from the U-factor and SHGC requirements in Section R402.1.2. This exemption shall not apply to the U-factor alternative in Section R402.1.4 and the Total UA alternative in Section R402.1.5.
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