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The counterflashing flange shows a downturn in 5 which would <br /> <br />permit interior drainage if there were any leaks in the sill. <br />This appears to be what is happening on the north Clerestory. <br /> <br />Gym Sidin~ Louvers, and Interior Wall Gutter <br /> <br /> As <br />building when the hose is trained on <br />level 15 where siding is missing. <br /> 4 <br /> It was also pointed out the "as <br />the "drawn." <br /> <br />pointed out earlier - large amounts of water enter the <br /> the wall at the transition <br /> <br /> While in the duct works <br />directed onto the siding and <br />water droplets entering <br />the siding. <br /> <br />built" is different from <br /> <br /> and louvers with a li~ mist being <br />louvers from the outside, I found <br />the louvers and found water drops behind <br /> <br /> I suspect a continual light rain from the south or a driving <br />hard rain from the south causes an accumulation of whole water <br />behind the wall and in the felt gutter behind the louvers which <br />drains to the low spot - the valley above the main entrance at <br />which time it is now behind the base flashings of the built up <br />roof - it moves south to the first opening in the decking and <br />drops to the ceiling tile. <br /> <br /> The above is my professional opinion, I was not able to prove <br />the water in the hallway happens as a result of this accumulation <br />however by training the hose in the open wall where the siding was <br />missing enough water came down the felt gutter to totally saturate <br />a bath towel in just a matter of minutes. <br /> <br /> Due to the design of the wall I was unable to get beyond the <br />first stud past the end of the louver. <br /> <br /> Unless there is a drain to remove accumulated water from this <br />gutter it must seek an outlet at the valley and since it is behind <br />and under the Built Up ROOf Membrane it is logical the water in <br />the hallway is the result of this water migration. <br /> <br /> <br />