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Discussion Starter · #1 ·
I recently had to remove vinyl siding underneath some windows in the front of my house, the wood under the corners of the windows is rotted. When I look at how the window was trimmed out using J channel, I see that there is no place for the water to go when it runs down the side of the windows except under the siding. I feel that there must be a better way to trim the windows such that the water that runs down the J channel does not end up under the siding and against the house.

My house is about 20 years old and the windows are all new construction vinyl windows with a wide plastic flange and I get no water into the house. It’s just the wood under the windows that is impacted currently, and with that wood rotting eventually the water will come into the house. The house does not have any sort of Tyvek or housewrap.

Any help would be greatly appreciated, thanks!
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