Leak exterior/interior wall/window For the past 1/2 year, when we have a 'driving' rain (AZ), we had/have a heavy leak on the inside top drywall of window. I had the inspector during the rain already twice to check with an infrared lamp and he could not find the source of the leak, but assured me that it is NOT the roof leaking. Home 10 years old. We caulked hairline cracks with silicon on parapet and exterior wall. For three rains it seemed to be working, but during the last one (driving rain again) it leaked/dripped again, from left corner mainly. I enclose 3 photos and would be grateful if you have an advice how to proceed to solve this problem. Thanks. id="Verdana"> With friendly regards, noviceaz Click to Enlarge 24.8 KB Click to Enlarge 46.04 KB Click to Enlarge 329.79 KB