Question: Given the following sequence of elements in a wall assembly from exterior element to interior element: Exterior Air Film: R = 0.17 Exterior Brick: R

Given the following sequence of elements in a wall assembly from exterior element to interior element: Exterior Air Film: R = 0.17 Exterior Brick: R = 0.4 Air Space: R= 0.9 Exterior Board Insulation: R=10 Exterior sheathing: R = 0.5 Cavity Insulation: R = 11 Plaster: R = 0.5 Interior Air Film: R = 0.68 What is the U-Value you will use in a Conductive Heat Loss Equation for this assembly? Select one: a. More information is needed. b. U-value = 0.0476 c. U Value = 24.15 d. U Value = 0.0414

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