December 18, 2008

Stop, Look, A Lesson - Part 7

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Path of Water
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As the siding came off we began finding water damage which was far more widespread than we had imagined. Pictured is a return where roof meets wall. What fascinates me is how the water stains accurately portray the paths found by water to infiltrate the siding. Through these stains we can tell just how much water got in and we can estimate just how much longer the oriented strand board would have kept it from invading the inner structure. Soon we would find places where the sheathing completely failed.
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