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Double Hung Casement Awning Sliding Inswing <br /> U-Values 0.34 0.35 0.35 0.33 0.34 <br /> Window U-Value 0.34 <br /> 100 x 1072.676 / 6877.42 = 15.59707 °/a < � °/a <br /> Window� Gross Design Allowable <br /> Door Area Exposed <br /> Wall Area <br /> * <br />