![]() ![]() At the protrusion, it should extend past the hole so that the water that drips from the end is not allowed to run down the wall. also, where it protrudes from the house, (and technically the entire run) make sure the seam is up, so water isn't given the chance to drip. I recommend you examine the slope of the vent pipe shown. I'm not suggesting you redo the whole house, but at least take the right measures to solve your issue with this wall. ![]() At a glance it looks like this wall sees a lot of weather, if so, this is a good measure to take. (meainging pull it off and do it right), then put it back up. You can do quite a bit without pulling the siding off completely, but in my opinion, you could at least do this entire wall properly faster by doing it right. Caulk or use great stuff on large gaps and joints before doing so, this is just a good practice. Continue thos overlapping process all the way down the wall. Use the tips Iggy provided, but for each of these areas, add flashing, making sure to tuck the piece being added uder tar paper or other flashing above it. This is probably where the water is coming from. Your photo shows a dryer vent right above the window. This will be anywhere the siding is cut for protrusions or doors/windows, corners, and lastly, the weep holes of the siding itself. Looking at your photos you want to release more runs of siding, going up the wall, looking for where water is dropping into the wall. The properly cut J channel is just one step. In your case, it looks like none of these things were done. They are installed to promote water to "stay on the surface" of the wall, and travel down via gravity. These things are installed anywhere water can get inside the structure. Around windows and doors (very often) an aluminum brake is used, or more felt paper,or additional drip caps or even other pieces of vinyl are used. Often times before applying siding, the house surface will be prepped with foamboard to add R-value and flatten the surface, and/or, joints are taped, or housewrap is used. Your siding installation from what we can see was not done with a number of typical guidlines in mind. The guidelines he recommends help keep water flowing away-from and down-to the bottom of the house. ![]() Is there a quick fix to prevent further leakage?Īs Iggy noted his answer is absolutely correct for J-Channel installation.The water seems to be going behind the black stuff. I poured 1 liter of water all around it and it leaked! I freed the piece of siding under the vent (see pictures below). I decided to go up to the next weak point, a bathroom vent. Would the flashing be under the black stuff? Or does this mean there is no flashing? If none, does anyone have a go-to how-to video or it is easy to DIY?Įdit 2: I used a water bottle to dump a few liters of water over the J channel. I checked a few other windows and now I am pretty sure all 20+ of my windows have this gap in the J Channel.Įdit: Below is a picture of the window under the siding. Secondly, if so, what is the best solution? First of all, I wanted to get confirmation this is incorrect. There is a large gap in this image taken from above. I assumed it was the flashing, but before I even got that far I noticed the J Channel looks very wrong (to my amateur eyes). I am getting a pretty bad leak above a window. ![]()
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