I'm removing and exterior door and replacing with a wall. Door came out easy, but sill underneath rotted out. I'm wondering if it's because how the siding is installed. Notice in the picture the channel on the bottom.
This is the piece that should be at the top of the wall, they just turned it over. Water runs down the siding and pools in this channel. The is how the siding is installed here because of the deck I'm sure but it's wrong. Can anybody in the construction trade let me know?
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