I have an Anderson Window sliding door that's leaking somewhere around
above the frame. What kind of company makes such repairs? Siding
It only leaks when there's a heavy wind driving rain against the side
of the house where the sliding door is. There is vinyl siding on that
side of the house.
I've read at a few sites that the "J-channel" above the door might be
A band-aid at best, and it will start leaking again at some point.
Impossible to say without seeing it, but sounds like door was not
flashed properly, or if the siding was a retrofit, they fubar'd the
flashing somehow, like taking the drip cap off and assuming the
J-channel would serve the same function. Anderson is a quality brand, so
likely the water is coming in above the outside brickmold or casing, and
puddling on top of the jamb. Only way to be sure of a forever fix is to
pop off inside casing and see where the water is, then take apart that
area on outside and put it back together correctly. A door company could
fix, but would charge a bunch. I'd wait for a real warm day when the
siding was flexible from sun shining on it, unzip the course above the
J-channel, and take a look in there. Maybe add a strip of that black
sticky stuff and/or flashing above the brickmold or exterior casing,
then curving up and going 6-8 inches up the wall on the sheathing under
the siding. It needs to go past the ends of the door frame, and have
flaps hanging down over the side flashing that is hopefully there.
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