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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3
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1answer
2k views

Why does my gas water heater's pilot light go out when I replace the outer door?

I have a 9 year old Bradford White gas water heater, model MI403S6FBN4. The pilot light went out today, and when I went to re-light it, it stays lit while the pilot button is held down, and it stays ...
3
votes
1answer
20k views

Why does this toilet fill valve leak around the top?

I have a pretty new dual-flush toilet whose fill valve suddenly started leaking for no reason. A picture of the toilet is below: Basically, the toilet flushes normally once the button is pressed. ...
3
votes
1answer
1k views

Why does my bath faucet drip for a few minutes after it's shut off?

I have a traditional two handled (one hot and one cold and they are separate) bath faucet. I recently had it reseated and the washers replaced, however, what I noticed was that immediately after shut ...
3
votes
1answer
2k views

Is my well pump serviceable after overheating and starting to leak?

A 'handy man' did work on my plumbing and shut off the main water to the house. He did not unplug the well pump, and it got really hot to the touch. When we hooked everything back up again, the pump ...
3
votes
2answers
4k views

How do I stop water from seeping between my porch roof and house siding?

I have a small roof over my side door on my porch. Whenever it rains or snows, some water always seeps in between the small roof and the vinyl siding. It drips down the siding and makes a puddle on ...
3
votes
1answer
2k views

How can I locate and deal with mold between floors?

About 9 months ago, my wife and I replaced a toilet that had a broken wax ring. We got some water leaking down to the ceiling on the first floor. Now I'm having what seem to be mold symptoms -- I ...
3
votes
2answers
140 views

Why would my bathtub spout stop leaking after fixing a water pressure issue?

Something strange happened in my bathroom. For a few days the tub spout was leaking non-stop. During that time the water pressure had been low and there was no hot water. I thought that the leak was ...
3
votes
1answer
128 views

How do I plug a leak in my refrigerator's water fountain casing?

We seem to have developed a slow water leak at the bottom right edge of the casing for the water dispenser in the left door of our GE refrigerator. This is causing water to drip slowly along the front ...
3
votes
1answer
1k views

How to remove turn-style tub overflow cover?

I've tried looking all over for a solution, but I've yet to find a solution that matches my situation. The cover I have (I think) is supposed to turn so the hole is downwards so you can remove the ...
3
votes
1answer
411 views

Will Liquid Plumber Foaming Pipe Snake corrode the drain seal on my bathtub?

I just bought and used a bottle of Liquid Plumber but I was just worried about whether the stuff might be able to corrode the rubbery seal under and around the top of the bathtub drain. I live on a ...
2
votes
7answers
798 views

Leaking saddle valve

There is a joint of some sort leaking in one of our cold water lines running above the drop ceiling in the basement. Does anyone know what this joint is called, or why it might be leaking? It's ...
2
votes
6answers
42k views

How do I approach new water stains on my ceiling?

I am a brand new home owner with almost no experience with DIY stuff. There was a few days of significant rain and now my wife noticed some stains on our 2nd floor ceiling that we are pretty sure ...
2
votes
3answers
17k views

What might cause water to leak under or behind a bathtub?

The floor in my bathroom is constantly wet after showers. House was built in 1970 and this bathroom is all original. From the yellow tile down to the linoleum. The shower curtain is sealed, the ...
2
votes
5answers
474 views

Unusual tub leak

OK, this one has been driving me nuts for a while now. I have a shower/tub on the second floor that leaks down on to the first floor. It only happens with showers, not baths. It takes about 5-10 ...
2
votes
2answers
250 views

How to fix dry wall side of newly fitted tiles shower wall?

I have had a brand new shower put in, the tiling is shown, however after about 1 month we noticed a small amount of water passing though to the dry wall. The below is now 9 months later. The ...
2
votes
3answers
22k views

How to stop a leak of water through a concrete floor

I live in an apartment building. Each house has a bathroom with a concrete floor covered in tiles. In the corner of the floor is a drain with its pipe going all the way through. However, I have ...
2
votes
1answer
6k views

Can you replace valve stem packing without shutting off the faucet?

The main shutoff to my house is a 3/4" FIP, that's leaking out the valve stem... the last several times turned on and off, it has 're-sealed' itself with lime and calcium deposits, but not this time, ...
2
votes
3answers
2k views

Can wind force rain into the soffits?

There is 1 and only 1 leak (thank God) that is driving me crazy. When the wind blows from the south and hits the house from that side, there is a drip that develops and comes from above the top of the ...
2
votes
2answers
11k views

How do I seal a leaking plughole fitting?

The plughole in my bathroom basin is leaking. The leak is between the plughole and the basin (i.e. through the circular hole in the basin in which the metal plughole is fitted), and it seems to me as ...
2
votes
2answers
182 views

How can I fix a clothes washer faucet that is leaking?

I just moved the clothes washer out of the way but now I found the faucet that connects to the washer is leaking. I tried to replace the faucet but looks like it is soldered and I cannot find a way ...
2
votes
2answers
105 views

Ceiling wet at corner of chimney

Whenever it rains, the ceiling becomes wet at the corner of the chimney. I ASSUME it's just a small leak, but obviously I don't want it to become any worse. I have a flat roof, so getting up there ...
2
votes
1answer
351 views

Weird set screw on single handle bathroom faucet

I have a leak in my single handle bathroom faucet. I can't find any stamp or marking on it to indicate the manufacturer. Turning off the hot water fixes the problem short term. I have found some ...
2
votes
1answer
263 views

How can I repair this unusual joint that leaks?

Got a leaking drain at the back end of the P-trap. When I pulled the PVC trap apart, there was no washer. Also, the male 90 pipe has flanges that keep the metal nut on the pipe. Haven't seen this ...
2
votes
1answer
961 views

How to seal p-trap leaking at inlet

My sink is leaking at the p-trap's inlet. It is plastic going from my garbage disposal into a metal fitting. It looks like it was sealed with something like petroleum jelly. I've wiped it off in this ...
2
votes
2answers
2k views

Is there a way to fix a small water leak in a PVC pipe from inside the pipe?

The PVC evacuation pipe from my toilet is leaking a little bit. The part of the pipe that is leaking is buried inside concrete. I am trying to find a way to fix the leak from inside the pipe, that is ...
2
votes
2answers
11k views

How can I fix my leaking shower?

I have a bathroom with a wooden floor - not floorboards, but solid sheets of water-treated chipboard. It's an old house, ~90yrs or so, and we're renovating it. A lot of the work has been done by ...
2
votes
2answers
10k views

How to fix leaking PVC fitting?

I screwed up. I'm usually pretty good with PVC. I used the approved cleaner and primer, and Weld-On 705. I've done this dozens of times. But here's where I screwed up: one part was a threaded ...
2
votes
2answers
2k views

What can cause a wet patch to appear on an outside wall around an external tap?

I have just noticed that I have a wet patch around my external tap on the outside wall. The wall seems to dry throughout the day. I have turned off the water to the tap, but the following morning, the ...
2
votes
2answers
2k views

Can I fix a possible gas leak on a valve for a hot water system myself with Thread Seal Tape?

Is a leaking gas fitting something a non-professional should even attempt to fix? Symptoms: There is a slight off odor around the hot water system, after some experimentation of turning the gas off ...
2
votes
1answer
300 views

Can you diagnose coolant leak in a refrigerator by blowing hot air on the back?

An "engineer" has recently investigated my 10+ (that's my estimation - we bought it together with our apartment) year old Smeg FB30 refrigerator and claimed that the coolant gas is leaking from the ...
2
votes
1answer
193 views

How to fix a garbage disposal pipe leak?

I have a slowly dripping joint where the disposal meets the drain pipe. I want to fix it myself and thought to just seal it with some sealant. What sealant should I use and/or should I not seal it, ...
2
votes
1answer
126 views

Concerns about broken washer found in water supply

Today I've notice black particles in the water from a faucet. Upon removing the aerator, I noticed chunks of plastic nearly clogging it. It appears to be from a washer. I don't know where it comes ...
2
votes
1answer
866 views

How to fix leak coming from pressure gauge on water tank?

The pressure gauge that is located outside of my water tank is dripping about twice a minute. It seems like this is something I could simply replace but I wanted to get some advice as this is ...
2
votes
1answer
8k views

How do I stop a leak in a refrigerator water line connection?

I have a copper water line going into my refrigerator. It's leaking at the connector line in the attached picture. It looks like the leak is not from the fridge, but from the connection line, right ...
2
votes
1answer
841 views

How do I keep my well pump connections from leaking?

Well, I asked the question at the end of last season on which hoses to get. The new Summer season is upon us and I've located some comparable hoses (could not find the exact ones mentioned, but found ...
2
votes
1answer
236 views

Have I got Rising Damp or a leak?

Can anybody advise me? Walking into the property you can feel the dampness in the air. The kitchen and bathroom run along the front of the house on the ground floor. There is a smell coming from the ...
2
votes
1answer
65 views

How can I figure out where the toilet overflow pipe goes?

In the toilet tank I know that the overflow pipe is there for when the toilet tank is full. However my toilets overflow pipe in the tank doesn't go back into the toilet it goes to a pipe which runs ...
2
votes
2answers
80 views

Can earthing of a building degrade over time

The building is almost 12 years old. We didn't have this problem before. But in this last 2-3 days some residents complained they have experienced shock coming form the pipeline of bathroom even after ...
2
votes
1answer
111 views

Brass central heating elbow joint leaking at connection to plastic pipe

Since removing a radiator to decorate a room I've had a slow leak in the central heating. Luckily I've found where it is - directly below said radiator - I must have moved it about too much in the ...
2
votes
1answer
86 views

dripping water from the shower area

Just moved into our new rented apartment and having trouble keeping the water from dripping out the bath tub area. the side of the shower curtain that is closer to the shower head is okay as we have ...
2
votes
1answer
205 views

How can I fix a leaking expansion tank?

My expansion tank hangs vertical from a pipe. It leaks from where the tank connects to the pipe. I can see some pipe dope where it connects. What can I do?
2
votes
2answers
6k views

Leaky outdoor faucet when using spray nozzle

I have an outdoor faucet connected to a garden hose and pistol type spray nozzle. The connection is leak free until I turn the water off and pull the trigger on the spray nozzle to get some of the ...
2
votes
1answer
90 views

Is there a way to fix a leak in the pressurized side of a pool system without digging it up?

I have a pool that has a pretty bad leak on the pressurized side, and it's not in the backwash line nor in any line that is above ground. Right now I don't know which pipe has the leak in it, but I ...
2
votes
2answers
16k views

How to fix a leaking bath tub overflow drain?

My bath tub is over the kitchen on the second floor. It appears the bath tub overflow drain leaks a sizeable amount. At times the kids aren't paying attention and the water goes in. The water leaks ...
2
votes
2answers
253 views

What should I do about mold until the leak feeding it gets fixed?

About three weeks ago I noticed a leak on the ceiling of my studio apartment. When it began it was just a leak, a few days later it began to get dark-stained all around it and now it's covered in a ...
2
votes
1answer
576 views

How can I determine what type of washer/gasket to use for an antique shower?

I have an old home (built in 1760). One of the beloved features is the clawfoot tub in one of the bathrooms. The shower assembly leaks from the shower head and my attempt to replace the gasket/washers ...
2
votes
1answer
505 views

What to do with a leaking ceiling

I live in New York with 45 degree temperatures, and after heavy rain last night I have leaking ceilings all over my house. Water is just seeping through the ceiling, drops and stops. The water dries ...
2
votes
1answer
27 views

Dripping toilet with vertical plunger

My toilet drips and I have no idea what to do about it. It's a vertical style plunger with a button on top (not a handle) with 2 flushes. I can stop it constantly filling by using a pen to raise the ...
2
votes
1answer
782 views

how to patch minor leaks at cast iron sewer pipe's joint

please see attached image, I am not sure whether it's a leak where the metal is split, or whether its corrosion where the liquid seeps through the metal. I am looking to patch this, somehow, can ...
2
votes
2answers
370 views

Water seeping through my foundation in the garage - what is the source?

I have a house built 1994, one story, slab foundation. A few weeks back my renter left the sprinkler system on for over 7 hours on one side of the house (valve was broken). By the time she called ...