Thread: Rain diverter
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Old 07-31-2022, 05:49 PM   #10
DickR
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If the damage to the wall is the red rectangle to the left of the door in your first photo, then the place where the lower edge of the roof over the door meets the wall is indeed where the kickout ought to go, as indicated in your second photo. However, that shot from the Home Depot seems to show installation of the flashing over the wall siding, with caulking to (hopefully) seal the top of the flashing to the siding. When at all possible, roof and wall covering layers ought to be "shingle-lapped", with all successively higher layers lapped over the tops of lower layers. This is shown in the JLCOnline link I gave. Actually doing this in a retrofit situation can be difficult, but sometimes getting a long-lasting installation does involve a bit of "wall surgery." You probably can find some decent retrofit videos.
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