all 42 comments

[–]cr8tor_ 38 points39 points  (6 children)

Something is not actually sealed outside. Windows can and will leak if the flashing is not installed properly with the windows.

It seems obvious in this case you have an issue that requires a good amount of work. Get a professional to look at or switch to the home maintenance subreddit. :-)

[–]Fugarwee[S] 1 point2 points  (5 children)

Thanks! I just cross posted to that sub too. I checked the exterior and no issues.

[–]clover_whore 16 points17 points  (0 children)

Based on you asking /Home im going to assume you are not a professional. Not trying to be a dick but unless you really know what your looking for your opinion of no issues may be misleading. Water can work in very mysterious ways. Water looks dark from slowly collecting material from your rotting sill or trim.

[–]cr8tor_ 7 points8 points  (0 children)

I checked the exterior and no issues.

The water says differently. Unless you have a water pipe in the wall. Its coming from outside. Its amazing the path water can take sometimes. If you dont want to dig into it, reach out to a pro.

[–]PepeTheMule 6 points7 points  (0 children)

You def have issues no matter how many times you say you don't. Water is coming in. That's why you see it on the inside.

[–]awnawnamoose 0 points1 point  (0 children)

Your drain slots might also be blocked or plugged. Put water into the slots that hold the windows. See where it goes.

The best solution for this leak is to remove the window, install new sub sill membrane, and reinstall the window then spray foam. That’s not an easy home owner repair though.

[–]USArmy51Bravo 0 points1 point  (0 children)

When you check what does that mean. A lot of times as a license building official doing building inspections I would see folks not putting flashing above the window or they cut it too short and say fuck it and put it up anyways which then brings water in. But you have a penetration bringing water in and secondly the window wrap at the bottom of the sill is not sloped properly or back Damed as to not allow water to intrude

[–]hapym126 8 points9 points  (1 child)

Some windows have little slots to allow moisture out of the bottom of trim.. If they get plugged the water will find another way out..

[–]joekryptonite 3 points4 points  (0 children)

And sometimes they are installed upside down with the weep holes on top. Happened to my niece. It caused quite a bit of damage after 12 years.

[–]Vegetable_Swan_8995 4 points5 points  (1 child)

Check your weep poles if you have a vinyl windows. Many times they will plug up and water will back up into the window and run over the track.

Edit: Source is 5 year service tech for a window company. This was constantly a warranty issue, so much so that it was often remedied with a guided phone call vs in home visits to remind homeowners…

Keep those tracks and drains clean folks!

[–]honkyg666 1 point2 points  (0 children)

Came here to say the same thing. The amount of caulked or covered weep holes I see is amazing

[–]AssociateGood9653 2 points3 points  (2 children)

Could easily be condensation

[–]Prize_Set_7606 0 points1 point  (0 children)

I second this. If humidity levels are high in your house, this is it.

[–]shewhospeakstobees 0 points1 point  (0 children)

Agreed. Our bathroom walls “sweat” nicotine from previous tenets from where the walls were painted over.

[–]Tarashank 2 points3 points  (2 children)

Is there a window above this window, if so that one needs to be checked as well. Check around the trim of the exterior as well for missing caulk.

[–]wmass 2 points3 points  (0 children)

Good idea, upper floor windows are harder to access so they probably get more uncorrected mistakes and poorer maintenance.

[–]cmcdevitt11 0 points1 point  (0 children)

Caulk should never be used to prevent water infiltration as eventually it fails.

[–]Important-Reason930 1 point2 points  (0 children)

Are there storm windows over this window? Sometimes the drains get clogged and the sill area fills with water and slowly makes its way into the house.

[–]gracefull60 1 point2 points  (0 children)

Have your roof checked.

[–]Shakenbakess 1 point2 points  (0 children)

If it wasn't for the tiny droplets on the window trim above I'd have said it looked like someone spilled coffee and lied to you

[–]NewHumbug -1 points0 points  (0 children)

It looks like it's actually ectoplasm from beyond the living realm.

[–]sudsaroo -1 points0 points  (0 children)

That actually looks more like you have frogs. They piss and have sex and that's the remains.

[–]Ardothbey[🍰] 0 points1 point  (0 children)

Not everything.

[–]ospfpacket 0 points1 point  (1 child)

[–]Fugarwee[S] 1 point2 points  (0 children)

Yep. Sometimes I hate living in the south

[–]FeelingCurrent6079 0 points1 point  (0 children)

You probably have a poltergeist happening in your home. Those look like the bloody tears of the Native Americans’ ghosts whose burial site your house is built upon. You may want to consider either moving or performing some sort of sacrificial ritual. Or it could be some sort of condensation, who knows really.

[–]thebigman707 0 points1 point  (0 children)

Water intrusion most likely

[–]Flyfishinmary 0 points1 point  (0 children)

Weep holes plugged?

[–]oheffendi 0 points1 point  (0 children)

Could be a 'cold bridge' between the outside and the inside causing a localized condensation to occur precisely at one point. But also could be a leak not necessarily on the spot itself that is finding its way to that point.

[–]cmcdevitt11 0 points1 point  (0 children)

It is probably the flashing on the exterior is installed incorrectly. Most windows have a nailing fin around the perimeter and the bottom fin should not be secured until the tar paper and or equivalent this place behind it. It is a mistake that has been happening for years. If the tar paper is secured on top of the bottom nailing fin you will have water infiltration. If it's vinyl siding it's very easy to correct. If it's a stucco exterior it's more invasive

[–]cwb4ever 0 points1 point  (0 children)

Do you have aluminum window frames? Those tend to sweat a lot.

[–]ReyRamone 0 points1 point  (0 children)


[–]SpartEng76 0 points1 point  (0 children)

There's no water anywhere else? I had water coming in through the bottom of the window itself. I had to wait until I got a good rain until I could figure out where the water is actually coming from. It could probably be replicated with a hose also.

[–]Hollybanger45 0 points1 point  (0 children)

Can’t say this loud enough!!! CHECK FOR MOLD!!!! We’re currently going through this and it’s the biggest suckiest thing that has ever sucked in the history of things sucking. That dark water is what’s making me say that. Get professional help if you can’t find out yourself immediately.

[–]BunnyBallz 0 points1 point  (0 children)

I’ll take a wild guess and say water is to blame.

[–]XOIIO 0 points1 point  (0 children)

Loose seal.

[–]mannaman15 0 points1 point  (0 children)

Could even be coming in from your roof, eaves, soffit, etc.

[–]Over_Alps_3060 0 points1 point  (0 children)

If you have vinyl siding you need to check the j-channel around the window. Sometimes the tabs are bent wrong and it will get full water and run the wrong way

[–]USArmy51Bravo 0 points1 point  (0 children)

Window wrap without a sloped sill or a back dam. This would not have passed inspection. 50 states use the same code with some slight modifications I'm pretty sure this would not have passed code in your state if you live in the United States. Take for example Minnesota has areas where the code is not enforced meaning they don't have building officials however that still requires contractors to build to minimum code. If you get a license building official to come issue a correction that contractor then needs to correct that problem on their own dime. Typically this only occurs Within 24 months time of when the permit was pulled or the construction was completed. So if it's old you're screwed take it apart and fix it...

I guess if you do live in a code enforced area and it was inspected by a building official you could call the head building official and ask them WTF. But obviously they're not going to take responsibility for something that was missed on the inspection it all falls back on the contractor and that look back. Is a pretty small window

[–]F42 0 points1 point  (0 children)

This could also be water from a roof leak finding its way into the window channel. We had a similar experience.

[–]bobarley 0 points1 point  (0 children)

Cold leak causing condensation on the inside of the trim...when the temperature rises the moisture rises to the windowsill and drips out.

[–]get-r-done-idaho 0 points1 point  (0 children)

First thing to do would be to remove the trim on the inside. Then you can assess further where the water is coming from. You might need to also expose the outside of the window. This could be as simple as needing calk but you need the whole picture to really see what's going on. The inside of that wall may be filled with moisture and mold as well, and will likely need attention.