Rain Water Leak Diagnosis
In the course of my 2008 Sandstorm remodel, I started removing the vinyl floor yesterday. I found the pictured water damage (which was very wet from a good rain the night before). The water content ...
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That looks very much like the damage I had to repair this last summer. My problem was caused by the poor sealing done around the vent flashing on the outside. There was no sealant around the top part of the flashing and water would come in, run down the wall and soak the wood. You couldn't tell a thing was wrong until the floor was gone. No stain, no swelling. The wall below the vent also had to be replaced. That was a real pain.
