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What would be the "U" coefficient for the following wall during the winter with a 15 mph exterior wind velocity?
8" Light Weight Concrete Block (R=2.5)
Air Space (R=0.92)
3/4" Plywood Sheathing (R=1.32)
2" x 4" Stud Wall with Full Mineral Batt Insulation (R11)
1/2" Gypsum Wall Board (R= 0.45)