Fill Brick Fill Brick 1” Air Gap / SPF Cavity Insulation OUT Mortar Joint Interior Gyp. Class III Vapor Retarder Nashville, TN Climate: 4A ASHRAE 160 Conditions: Heat T: 70oF Cool T: 75oF ACH: 0.2 [1/h] Moisture Generation Rate: 1.3 lb/h IN Monitoring Positions