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N1102.3.2 (R402.3.2) Glazed Fenestration SHGC

Residential Code 2018 of Kansas > 11 [RE] Energy Efficiency > N1102 (R402) Building Thermal Envelope > N1102.3 (R402.3) Fenestration (Prescriptive) > N1102.3.2 (R402.3.2) Glazed Fenestration SHGC

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An area-weighted average of fenestration products more than 50-percent glazed shall be permitted to satisfy the SHGC requirements.

Dynamic glazing shall be permitted to satisfy the SHGC requirements of Table N1102.1.2 provided that the ratio of the higher to lower labeled SHGC is greater than or equal to 2.4, and the dynamic glazing is automatically controlled to modulate the amount of solar gain into the space in multiple steps. Dynamic glazing shall be considered separately from other fenestration, and area-weighted averaging with other fenestration that is not dynamic glazing shall be prohibited.

Exception: Dynamic glazing shall not be required to comply with this section where both the lower and higher labeled SHGC comply with the requirements of Table N1102.1.2.

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