For questions generally relating to the unwanted permeation of water or other liquid, indoor/outdoor air, or fuel gas through a barrier designed to contain it, including identification, repair, and prevention techniques, tools and materials.

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2answers
5k views

How can I repair a slow leak in my concrete fountain?

I have a painted concrete fountain whose bottom well slowly leaks over about 2 days. My area gets to ~-20c (-9ish F) in the winter, so I worry that trapped water is slowly destroying it. I suspect ...
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2answers
6k views

How can I tell if stains are caused by a ceiling that is drying out, or if there is still a leak?

Historically we've had a leak from our shower in our bathroom which has leaked into the neighbour below's bathroom and kitchen (this has gone though the bathroom wall to the kitchen which is ...
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2answers
5k views

How can I fix this persistently leaky shower faucet?

Several weeks ago water began slowly dripping from the shower head in our master bath. Also, the underside of the hot water faucet is wet long after the water has been turned off and the shower has ...
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2answers
375 views

How can I find the source of a leak?

We have a lead lined, concave roof on a bay window. The roof itself has a small drain. Inside the house, below the bay window we have a small leak that occasionaly appears when it rains. I have ...
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0answers
22 views

Hose Bib still leaks even after replacing washer

I have fixed many leaky hose bib faucets over the years by removing the stem & replacing the bad washer. I just finished replacing the worn out washer for a leaky hose bib, but when I put the ...
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0answers
22 views

Bathtub shower leaks in wall only when turned off

Our upstairs bathtub has a small leak inside the wall that over time softened the ceiling sheetrock below. After removing the sheetrock we tested the shower, and it's weird -- it leaks about 1/4 cup ...
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0answers
17 views

Leaky bathtub, need to fix the passthrough hole for the extension

Sometimes when we use the bathtub we get water dripping downstairs, in the kitchen. This morning I've removed the cover of the bathtub and figured that the hole for the extension cord of the shower ...
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1answer
42 views

What's the best way to seal a small leak on a sprinkler pump inlet PVC pipe where a siphoning system has been tapped?

On my sprinkler system I installed, about 4 months ago, a system that siphons, from a large tank, a mixture of fertilizer and iron stain inhibitor. The system works fine but it had to be installed by ...
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1answer
50 views

Does water in the water heater drip pan mean my heater is bad?

I recently noticed my drip pan had about a half-inch of water in it. I could find no water leaks around the fittings or valves. The water is slowly evaporating--very dry climate area--and the water ...
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2answers
89 views

How can I waterproof a bathroom ceiling?

I live in an apartment building. The resident upstairs has overflowed her bathtub 3 times in 2 years. The water damaged my ceiling and has been repaired twice. Now the ceiling will be replaced at her ...
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0answers
30 views

How can I remove the stem on my single-head bath faucet?

My house was built in 1999. The shower has a lock ring to release the plunger for the single-head faucet, but it won't come out. How can I remove it to replace the seals so it won't leak anymore?
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0answers
38 views

How can I stop suds from backing up in the drain line?

I have a 10 year old house with (probably) 2" vertical waste line inside the wall (plastic at top). Lately we've noticed suds foaming out of the drain at the end of the rinse/spin cycle. It does NOT ...
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0answers
45 views

Why is the gas water heater pressure valve leaking after installing recirculation pump & old radiator?

Kind of a complex situation. Using gas water heater as a boiler for an old cast iron radiator. In addition we added a recirculation pump. Everything was working fine but then we had leaking from water ...
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0answers
179 views

I've noticed the water from the sink won't heat up, while the water in both bathrooms heats fine.

I've been renting this home for more than a year and there have been a lot of plumbing issues - mostly leaks, but the water in the kitchen has always heated fine. There is a leak under the sink as ...
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0answers
85 views

Leaking conservatory roof

When the wind comes from a certain direction my conservatory roof leaks. . Is there some substance I could use (similar to putty?) to stop the leak?
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0answers
183 views

How can I locate the source of a washing machine leak?

I have an older washing maching, a Hotpoint 6 cycle heavy duty high capacity (I see a label with WLW3400, which I assume is the model number). It is leaking and I am trying to discern the source. I ...
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0answers
190 views

How can I repair my leaky toilet?

Apparently my original toilet valves were cheap because they both had problems and I replaced both with fluidmaster valves some years ago. Two problems were apparent immediately which I solved: ...
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0answers
107 views

How do I seal a downspout leak in my shed?

I have a storage shed behind my carport. A downspout from the roof of the carport runs through the shed, as seen in the picture. The downspout drains ok (there was blockage in the past) but it leaks ...
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0answers
76 views

Is there a way to install a tub such that it can dry out if water gets behind it?

When you install a tub, you try to build the surround such that water can't get through to the wall. That's great. Nothing is perfect, and eventually small amounts of water will seep through. Then ...
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3answers
846 views

What can be done about water running under my house?

When the builder excavated for my home, the hole filled in with a half foot of water. (They said I have a "perched water table".) To "Fix" this the builder put rocks under my house and put in piping ...
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2answers
141 views

Could I simply seal over this toilet leak?

The leak is on the top-most (whitest) nut, where it meets the base of the tank as shown in the below photo (with an additional photo for context). Would I be able to just throw a ring of silicone ...
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2answers
14k views

What could be causing a leaky p trap under my bathroom sink?

Recently, the bottom of our bathroom sink has started to leak just slightly. Little drips come out of the nuts. The leaking part seems to be more toward the end where the pipe meets the wall and the ...
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2answers
4k views

Repair holes in copper pipe

The drain pipe under my sink is made of copper and has a couple of small holes just before it goes into the wall (and eventually leads out to a greywater tank). The picture below is taken from ...
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1answer
65 views

How can I find out why my washing machine trips the outlet?

I was washing a large down comforter in my washing machine and I noticed that the machine was shaking during the spin cycle. I let it go for about 10 minutes and decided to just turn it off, but when ...
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2answers
98 views

Temporarily have no gutters, what do I need to worry about?

My gutter contractor has been interrupted by the rain. I will be without gutters for a few days and there is a total of 1.5" of rain predicted over those few days. I am monitoring my basement for ...
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1answer
289 views

How can I repair a loose T joint connecting pipes under my kitchen sink?

I found a puddle under my kitchen sink and was disappointed to find that the T joint connecting the drain from the garbage disposal and and the second sink was completely loose. As shown in the ...
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2answers
326 views

How to connect flexible tube to copper pipe

Underneath the kitchen sink, the faucet assembly has a copper tube that used to connect to a flexible pipe. The two have become separated as shown below: I have tried pushing the connector back onto ...
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2answers
207 views

How did my water meter become loose?

This past summer, my vacant home was vandalized. Thieves stole the copper plumbing. Once the re-plumbing was done, the city came to install the water meter. The meter is female-threaded on either ...
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1answer
848 views

What is causing a wet patch on an internal wall?

We recently bought and moved in to a house. It's 16 years old. One of our walls has developed a patch of wetness. This wall is part of what was once the garage, and has since been converted into a ...
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1answer
448 views

How do I fix this leaking dishwasher drain pipe?

There is a leaking hose connection to the pump in my dishwasher. I have tried silicone and a hose clamp but no no avail. What can I do to fix this? Picture before the silicone, the corrosion is from ...
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2answers
2k views

How can I replace a water pipe on the second floor without the need to damage the bathtub?

My father is the owner of the house, and on the second floor area there is a bathtub over the top of the water damaged ceiling on the first floor that i currently live, my father told me that these ...
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1answer
148 views

Kitchen faucet leak worsened after O-Ring replacement

My kitchen sink has a Moen model 1225 faucet, like the one pictured: . I replace the O-rings because of a leak around the handle (not the nozzle). I'm wondering if I installed the O-rings incorrectly ...
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1answer
61 views

How do I stop water from coming out of the dispenser on the door of my refrigerator? [closed]

How do I stop water on the door of my refrigerator from coming out?
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1answer
319 views

Can I prevent my tub faucet from leaking by diverting the water to the shower, and shutting off the shower head?

So, my tub faucet is leaking. I live in an apt and I'm not too sure when the landlord is actually going to get this issue fixed. Right now, there is a steady, light stream of water coming out of the ...
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1answer
2k views

Newly installed water heater with faint gas smell

Installed a new water heater last night (Rheem Performance Plus Model #XG50T09HE40U0). All went well with installation (including gas line bubble test), but this morning I could detect a faint smell ...
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2answers
660 views

How long should I let my window dry out before caulking?

I just noticed a major leak in one of my windows last weekend during a heavy rainstorm. Upon inspection, I found several gaps in the caulking that I think the water is getting through. I managed to ...
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2answers
2k views

Why does my toilet still leak after replacing the wax ring?

I just replaced the wax ring under my toilet. Now when you flush, it leaks worse than it did before! I am so confused! Is there something else that needs to be replaced?
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2answers
4k views

How do I repair this leaking toilet supply nut?

I've got a leaky toilet that I'm trying to fix (and in the process making worse). The leak seems to be coming from the brass nut on the right of the photo here: This nut has a washer in it so ...
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1answer
906 views

How can I stop a stainless steel drinking water tank from leaking?

I have stainless steel drinking water tank that is leaking from the weldings (few pin holes). What is the best way to stop these leaks, without draining the tank? Welding could be option but I have ...
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1answer
46 views

How should I stop condensation on my roof that's leaking into my home?

Condensation in my attic causes frost which melts on warm days and leaks through my ceilings. I plan to add more insulation this spring. I have installed a bathroom ceiling fan to help with moisture. ...
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2answers
484 views

Replace main water valve with Sharkbite shut off valve?

Currently my main water shut off valve is soldered using a 3/4 globe valve. However the stem is leaky and i am thinking of replacing it? Is it a good idea to cut it out and replace it using a ...
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1answer
370 views

Draft from under baseboard - pull back carpet or remove baseboard to caulk?

Using an infrared thermometer/camera, I found what seems to be a draft coming from beneath a baseboard in the corner of a carpeted room. I understand that caulking can stop drafts from under ...
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1answer
3k views

Why is my water expansion tank leaking?

I live in the northeastern US and we just turned the heat on (oil) and this morning I went down to the basement and saw this: The water is coming from the plumping above something labeled "water ...
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2answers
188 views

Are dishwasher overfill protection floats adjustable?

Dishwasher leaks. It is practically level but slopes 1 degree toward the door. Owner's manual labels overfill protection float in the diagram but does not mention how to use it. Are these floats ...
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1answer
464 views

How do I fix a leak in a fiberglass water tank?

There is a small crack in the overhead water tank, about 6 inches by 1 inch. The tank is made up of fiber glass. Is there any chemical that can be used for filling the crack?
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2answers
181 views

How do I find the source of a slow leak in a roof that has been repaired?

We have had a slow leak for 20 years. The roof has been replaced. We still have the leak, so how do we find the leak?
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1answer
190 views

How can I figure out where this water is coming from?

I have the situation where my shower piping is leaking underneath a tiled floor. This only occurs when the shower is running, suggesting a drainage issue. The pipe passes from the shower faucet ...
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1answer
337 views

How do I determine the origin of a window's leak?

The drywall is water stained directly under the two lower corners of my window. So, I need to figure out where the leak is coming from. What steps should I take? -The home was built in 1967. The ...
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1answer
264 views

I have a leaky shower. Builder thinks a total renovation to bathroom is needed to waterproof whole bathroom [closed]

So the builder I got in thinks I should remove shower, vanity and toilet. Basically a renovation of the whole bathroom upstairs to waterproof the bathroom. The leak is obvious that it is from the ...
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2answers
996 views

How do I fix a leaking ceramic mono sink mixer?

We have a kitchen mixer tap something like the one below. It's white and has 1/4 turn ceramic taps (so not like the taps in the one below in that respect). The taps are not leaking, the mixer is ...